辽宁省朝阳市凌源中学2019-2020学年高一英语上学期第一次周测
试题
一、重点短语（每题2分，共20分）
1._______________丧失信心，泄气
2. _______________ 树立榜样
3. _______________ 获得成功
4. _______________ 田径
5. _______________ 锻炼，计算出
6. _______________破裂，破碎
7. _______________为...做准备 8. _______________ 在国内外
9. _______________为向...表示敬意 10. _______________ 精神力量
二、单句语法填空（每题1.5分，共15分）
1.I don’t know if I am fit _____________ this job.
2.We attended a dinner party_____________(host) by the president of the company.
3.As your friend, I feel _____________(honour) to be invited to your birthday
party.
4.He worked______________ the maths problem in a short time.
5.I am _____________(determine) to make use of my spare time to do exercise.
6.He _____________(injure) when he was cycling along the valley.
7.In the past several years, you have had the pressure and pain, I do not want
you to get any further_____________(injure)
8.We had better_____________(strong) the relationship between them.
9.You should set aside some time to consider your successes and
_____________( fail)
10. She failed______________(win) a scholarship（奖学金）.
三、阅读理解（每题2.5分，共10分）
I was born on July 17th, 1995 in Atlanta, Georgia. My story started before that, in May of that year. My mother had a car accident and she was immediately taken to hospital. There the doctors told my mom that some damage had been done to me and had caused bleeding (流血) in my brain.
They ran a lot of tests and told my parents I wouldn't be healthy after I was born. They said I would suffer strokes (中风). The bad thing about strokes is that you never know how they will affect someone for certain. As my mother was still young, the doctors suggested that she should give me up. But my mother didn't want to do so. When I was finally born, the doctors found out that one side of my brain was weak and that there was water in the brain. I also suffered visual (视力的) problems.
After I was born, my parents looked after me day and night. I received treatment from age six months to twelve years old. During all those years, my parents were always there for me. Finally, I got much better. Now I can even see without wearing glasses.
School days passed normally for me and I never really had trouble with anything.
I now have many great friends whom I love very much. This fall I will be attending Young Harris College to study English. I love writing. I have one book already self-published and another being considered by Baen Books for publication. I did
all that because of my parents' love and support.No life, I think, would be complete without the love and support of the family.
1. What did the doctors tell the writer's mother in the hospital?
A. She was bleeding inside.
B. Her unborn baby was saved.
C. She had damage in her brain.
D. Her unborn baby was injured.
2. What did the writer's mother do when facing the doctors' suggestion?
A. She shouted at the doctors.
B. She chose not to follow it.
C. She considered it carefully.
D. She left the hospital secretly.
3. After the writer was born, his parents_______.
A. took good care of him.
B. decided to give him up.
C. felt very sad and disappointed.
D. spent little time in the hospital with him.
4. What does the writer think of life?
A. Life is full of damage and problems.
B. Life doesn’t need parents' care and love.
C. Life is perfect with the family's help and love.
D. Life is lovely and meaningful after a lot of sufferings.
四、七选五（每题2分，共10分）
How to control you body language
In business discussions, non-verbal(非语言的) communication is as important as verbal communication. Studies suggest that non-verbal communication is so important that it delivers(传递) more than 55 percent of the message across, without actually using words. __1___ The following tips on non-verbal communication will help you control your own body language in order to be successful in business discussions. Be on time
Perhaps one of the worst and also the most frequent mistakes is not to take promises of time seriously. __2____ Being late not only shakes your self-confidence, but also gives a poor first impression to others. Some cultures are so serious about being on time that they may even consider being late impolite. The final result is that the discussion process will suffer.
Make the old-fashioned handshake
__3___It shows confidence and promotes trust among the individuals. Researchers have suggested that a handshake makes people comfortable and improves agreement. For business discussions, this promotes honesty in the communication and thus leads to successful dealings.
Know your listeners.
4Rely on your feeling and respond according to your listeners. When making a discussion, one needs to be aware of（意识到）the things he must share and he is talking about. A successful discussant(讨论者) ensure（确保） that the message reaches the right listener for the most proper results.
Mind your facial expressions.
Some casual (随意的) facial expressions may destroy effective communication. In some cases, showing fear or worry may also be mistaken as being unable and lack of confidence--things that must not be used in business meetings. Therefore, ensure
that you have trained yourself to improve your positive expressions and hide the negative ones. ___5___.
A.Avoid looking at someone directly for a long time.
B.You should always keep your physical actions positive.
C.Discussion is a talk between two or more people or parties.
D.Never underestimate(低估) the power of a good handshake.
E.Each time you are leaving for a business meeting, show up on time.
F.One needs to be aware of the body language of his listeners as well.
G.This means that people need to be aware of their body language while discussing.
五、完形填空（每题1.5分，共30分）
I used to be a music teacher. Among my _1_, Robby was obviously not a gifted one._2_ Robby tried hard, he lacked the sense of rhythm(节奏) that was needed to stand out. However, Robby dutifully practiced _3_. At the end of each weekly lesson, he wouldalways say, “My mom is going to hear me play some day.” I only saw his mother from a distance as she dropped Robby off. She always waved and smiled but never_4_.
Then one day Robby stopped coming to my lessons. I was _5_that he stoppedcoming. He was a bad _6_ for my teaching! Several weeks later I mailed to the students’ homes a flyer(传单) on the coming concert. To my _7_, Robby asked to come. He saidthat his mom had been sick so he could not take his piano lessons, but he was still _8_.
The night for the concert came. The gym was _9_ parents and students. I put Robby in the last performance before I was to thank all the _10_ and play a finishing piece.
I thought I could always save his _11_ performance through my “curtain closer”.
It was Robby’s _12_. He pulled out the piano bench and began. I was surprised whenhe _13_ that he had chosen Mozart’s Concerto 21 in C Major. Never had I heard Mozart played so well by people of his _14_. After six and a half minutes, he _15_ and everyone was on their feet in wild applause. In tears I ran up on _16_ and put my arms around Robby in joy. “I have never heard you play like that, Robby!” “Well, Miss Hondorf...remember I told you my mom was _17_? Well, actually she had passed away this morning. And, well……she was born deaf, so tonight was the first time she ever _18_ me play. I wanted to make it _19_.” There wasn’t a _20_ eye in the house that evening.
1. A. friends B. students C. colleagues D. relatives
2. A. After B. Since C. Though D. Unless
3. A. once in a while B. once again C. at times D. over and over
4. A. calmed down B. stopped in C. moved off D. gave in
5. A. glad B. worried C. angry D. discouraged
6. A. idea B. request C. vote D. advertisement
7. A. relief B. surprise C. delight D. shock
8. A. wondering B. dreaming C. practicing D. working
9.A. constructed by B. adapted to C. crowded with D. protected by
10. A. audience B. actors C. neighbors D. athletes
11. A. strange B. poor C. perfect D. satisfactory
12. A. decision B. duty C. advice D. turn
13. A. announced B. argued C. suggested D. warned
14. A. name B. age C. size D. weight
15. A. waited B. joked C. ended D. left
16. A. bench B. desk C. floor D. stage
17. A. sick B. pretty C. healthy D. strong
18. A. saw B. made C. noticed D. heard
19. A. cautious B. careless C. special D. crazy
20. A. curious B. sleepy C. sharp D. dry
六、语法填空（共10小题：每小题1.5分，满分15分）
阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Forget going to the gym or singing up for yoga classes, and new research suggests you can stay in shape by 1 (simple) doing the housework. A study by the Good Housekeeping Institute 2 (find) that dusting, mopping and cleaning the bathroom are all 3___(effect)ways to burn calories without leaving the house.
Window cleaning topped the list, with participants burning 4 average of 115 calories in just 20 minutes on average. Mopping the floor came in 5 (two) place with 107 calories 6(burn) while cleaning the bathroom 100 calories. 7 vacuuming(用吸尘器打扫)came 8 the bottom of the list, participants still burned an average of 86 calories in just 20 minutes.
The research show that there can be some hidden 9 (benefit) to giving the house an “autumn clean” as the cool weather starts to set in, according to the GHI cleaning expert Verity Mann, “Unfortunately, there are some labor-intensive（劳动密集型的） chores（家务活） that require doing, but the good news is 10 you will be getting fit while you’re doing them.”
1._____________
2.___________
3._____________
4.____________
5. ____________
6._____________
7.___________
8._____________
9.____________10. ___________
周测答案
第一部分阅读理解
1-4 DBAC 1-5 GEDFB
完形填空： BCDBA DBCCA BDABC DADCD
第二节
1. simply
2. found/has found
3. effective
4. an
5. second
6. burned /burnt
7. Though/Although/While
8. at
9. benefits 10. that
数学试卷 一．选择题（5＇×12＝60分） 1．已知全集U ＝R ，集合A ＝{x |x ＜-2或x ＞2}，则?U A ＝ ( ) A ．(-2，2) B ．(-∞，-2)∪(2，+∞) C ．[-2，2] D ．(-∞，-2]∪[2，+∞) 2．设x ∈R ，则“2-x ≥0”是“0≤x ≤2”的 ( ) A ．充分而不必要条件 B ．必要而不充分条件 C ．充要条件 D ．既不充分也不必要条件 3．命题“?x ∈M ，f(-x)＝-f(x)”的否定是 ( ) A ．?x 0∈M ，f(-x 0)＝-f(x 0) B ．?x ∈M ，f(-x)≠-f(x) C ．?x ∈M ，f(-x)＝f(x) D ．?x 0∈M ，f(-x 0)≠-f(x 0) 4．为评估一种农作物的种植效果，选了n 块地作试验田．这n 块地的亩产量(单位：kg)分别为x 1，x 2，…，x n ，下面给出的指标中可以用来评估这种农作物亩产量稳定程度的是 ( ) A ．x 1，x 2，…，x n 的平均数 B ．x 1，x 2，…，x n 的标准差 C ．x 1，x 2，…，x n 的最大值 D ．x 1，x 2，…，x n 的中位数 5．已知a >b >0，c <0，下列不等关系中正确的是 ( ) A. ac >bc B. a c >b c C. a-c
2019年辽宁省朝阳市凌源市高考生物一模试卷 一、单选题（本大题共6小题，共36.0分） 1.植物所需营养元素主要通过根系从土壤中吸收。下列叙述正确的是（） A. 植物根系吸收水分和矿质元素的方式相同 B. 矿质元素主要以化合物的形式被植物根系吸收 C. 外界温度过低会导致根系吸收矿质元素速率降低 D. 土壤溶液渗透压越高，越有利于根系吸收矿质元素 2.研究发现，肿瘤细胞的特征之一是缺乏细胞凋亡的过程，而中药可以通过调控原癌基因和抑癌基因的 表达、阻滞肿瘤细胞生长周期和影响细胞凋亡信号传导等方面诱导肿瘤细胞凋亡，进而达到治疗肿瘤的目的。下列相关叙述错误的是（） A. 细胞凋亡涉及免疫应答、基因调控、信号传导等多种生理过程 B. 治疗过程中，中药可能抑制抗凋亡基因的表达，促进凋亡基因的表达 C. 中药可能通过阻滞相关DNA、RNA等的合成来抑制肿瘤细胞周期 D. 中药有利于肿瘤细胞相关基因的表达，从而使其逃避免疫系统的监控 3.镉浓度对中华圆田螺细胞中超氧化物歧化酶（SOD）活性影响如图所示，下列叙述错误的是（） A. 上述实验中存在两个白变量和一个因变量 B. 随处理时间延长，镉浓度越高对SOD活性抑制越强 C. 处理24 h时，SOD活性随镉浓度升高表现出先升后降 D. SOD溶液中加入一定量的食盐，不会改变其空间结构 4.若要验证某种细菌或病毒的遗传物质是DNA，下列方法不可行的是（） A. 向R型肺炎双球菌的培养基中加入S型菌的DNA，检测细菌的转化情况 B. 向大肠杆菌培养基中加入DNA合成抑制剂，检测大肠杆菌的菌落情况 C. 用32P标记的T2噬菌体侵染未标记的大肠杆菌，检测子代噬菌体的放射性 D. 向大肠杆菌的培养液中加入35S的无机盐，检测子代大肠杆菌DNA中的放射性 5.兰花是常见的观赏植物。生物兴趣小组采集到相同数量的春兰、建兰和墨兰种子，在相同且适宜的条 件下培养一年，其初次长花时间和花期如下表所示。下列叙述正确的是（） 春兰、建兰和墨兰的种群基因库有部分相同 B. 春兰、建兰和墨兰花期的差异体现出群落的多样性 C. 表中信息能推出春兰、建兰和墨兰间不存在生殖隔离 D. 春兰、建兰和墨兰差异的根本来源是突变和基因重组6.某同学将活的幼嫩枝条切成段，悬于潮湿的空气中，几天后会出现如图所 示的现象。下列相关叙述正确的是（） A. 切段的A端为形态学下端 B. 芽向上生长、根向下生长与重力有关 C. 茎段中生长素浓度高的一端有利于生根 D. 图示现象无法体现生长素作用的两重性 二、探究题（本大题共6小题，共59.0分） 7.研究发现：C4植物在炎热环境中可利用极低浓度的CO2进行光合作用。CAM植物在炎热环境中，晚 上气孔开放吸收CO2，白天气孔关闭。如图为A、B、C三种植物在夏季炎热晴朗的一天中净光合速率变化示意图。回答下列问题： （l）由图可知，与植物A 相比，m 点时植物B 总光合速率______（填“较高”“较低”“相同”或“不确定”），判断依据是______ （2）在6点时，植物B叶肉细胞进行光合作用的C02来源于______；若此时提高植物B的CO2吸收速率，则可采取的主要措施是______ （3）14～20点植物C净光合速率下降的主要原因是______ （4）A、B、C三种植物中，更适合在炎热干旱环境中生存的植物及其理由是______ 8.如图为内环境中血糖浓度升高时胰岛素分泌的部分过程。回答下列问题： （l）血糖浓度升高时，葡萄糖进入胰岛B细胞后促进细胞呼吸，而抑制K+外流，使得细胞膜内外的电位差 ______（填“变小”“增大”或“不变”），进而导致Ca2+内流加快。 ①K+外流受阻的原因是______。 ②Ca2+内流加快的意义：______。 ③由图可知：胰岛素分泌的量最终取决于______。 （2）若某种抑制剂可改变葡萄糖通道蛋白结构进而阻止葡萄糖进入胰岛B细胞，则血糖浓度升高时，胰岛素的分泌是否依然会增加，并请说明原因：______
第二部分：英语知识运用（共二节，满分45分） 第一节：单项填空（共15小题，每小题2分，满分30分） 从A、B、C、D四个选项中，选出一个可以填入空白处的最佳选项。 21. ── Do you need a ride? —— No, thanks. I ____ walking. A.prefer B. want C. used to D. take 22. He _____ one day _____ a famous NBA player. A. thinks of , being B. dreams of , being C. dreams about, to be D. make up , being 23. Your parents may be angry with you for a little while, but____ , they love you. A. above all B. in all C. at all D. after all 24. ——What about having a drink? —— ____________. A. Good idea B. Help yourself C. Go ahead, please D. Me, too 25. In most of the western countries, English is spoken ____ the first language. A. as B. like C. with D. for 26. Football is played all over the world, so it is considered a _____ game. A. usual B. healthy C. common D. universal 27. The man ___ killed two policemen will be sentenced to death. A. which B. whom C. who D. whose 28. There is no doubt ______ our life will be better and better. A. if B. when C. whether D. that 29. In his talk, he gave us _____ on how to improve our reading. A. news B. advice C. messages D. notes 30. Mr Green, with his wife and kids, ____ to China next Sunday. A. come B. is coming C. are coming D. comes 31.Great changes ____ in the countryside, and a lot of new houses ___________ . A. have been happened; have set up B. have taken place; have been set up C. have taken place; have built D. were taken place; were built
2019-2020学年辽宁省实验中学高一（上）期中历史试卷 一、选择题（共35小题，每小题2分，满分70分） 1. 考古学家在北京人遗址发现四层面积较大且较厚的灰烬层。这一发现，说明当时北京人的生产生活状况是（） A.种植水稻 B.会使用火 C.烧制彩陶 D.铸造青铜器 【答案】 B 【考点】 中华文明的形成与发展 【解析】 本题考查中华文明的起源。题干中的关键信息是“四层面积较大且较厚的灰烬层”。【解答】 从材料中的“四层面积较大且较厚的灰烬层”可以得出，北京人已经会使用火，故B正确。 A、C、D在材料中没有体现，均不符合，故排除。 2. 我国水稻栽培历史悠久，水稻作为重要的粮食作物被列为五谷之首。袁隆平先生成功培育出优质杂交水稻，为人类解决“温饱”问题作出重大贡献。目前已知水稻种植最早出现于下列哪一地区？（） A.黄河中游 B.长江下游 C.珠江三角洲 D.辽河流域 【答案】 B 【考点】 历史文化常识 【解析】 本题考查中华文明的起源。题干中的关键信息是“水稻种植”“最早出现”。 【解答】 依据所学知识可知，生活在距今约7 000年的河姆渡原始居民种植水稻，而河姆渡文化位于长江下游，我国由此成为世界上最早栽培水稻的国家。 3. 《三字经》中说：“始春秋，终战国，五霸强，七雄出。”其中“五霸”中最早出现的霸主和“七雄”中最后胜出的诸侯国分别是（） A.齐桓公秦朝 B.晋文公齐国 C.齐桓公秦国 D.楚庄王秦国 【答案】 C 【考点】 春秋战国时期各国的改革 秦朝统一 【解析】 本题考查春秋战国时期形势。 【解答】 “战国七雄”中最后胜出的诸侯国是秦国，故A错误； 春秋时期，最先称霸的是齐桓公，故BD错误。 故选C。
高一下英语测试题（三） 第二部分：英语知识运用（共两节，满分45分） 第一节：单项填空（共15小题；每小题1分，满分15分） 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。21．It’s ______ great honor for an athlete to take part in the Olympics, where he or she can win ______ honor for their country. A. a; / B. /; / C. the; a D. /; a 22．The careless man received a ticket for speeding. He ___ so fast. A. mustn't have driven B. wouldn't have driven C. can't have driven D. oughtn’t to have driven 23．Only when ____in the afternoon _____able to leave. A. the match was over; they were B. was the match over; were they C. was the match over; they were D. the match was over; were they 24．-Shall we go and lend them a hand with their work? -________. We might be just causing trouble. A. It’s my pleasure B. We’d better not C. With pleasure D. Sounds great 25．I _______him ____ I saw him in the street one day after twenty years' parting. A. realized; in a moment B. recognized; the minute C. knew; for the minute D. understood; for the moment 26．If the wrong choice ______, it will result in a worse life. A. will take B. will be taken C. is made D. is making 27．He is named David, who has a gift ______music and hopes to work _______a musician. A. of; for B. for; of C. for; as D. of; with 28．-Do you ever regret _______ this job? -No. Though it is not a well-paid job, I really enjoy it. A. to take B. taking C. taken D. to be taking 29．I put the keys in the wallet this morning but _______, I lost them. It was just bad luck. A. besides B. somehow C. instead D. sometimes 30．The Smith’s family, which _______ a large one, __________ very fond of their old house. A. are; are B. is; are C. are; is D. is; is 31．The paper is very old and ________ easily, so you must be careful.
历史试题 一、选择题：本题共16小题，每小题3分，共48分。每小题只有一个选项符合题目要求。 1. 有人认为中国古代最讲“爱”的莫过于墨子，誉之为“世界平等博爱主义第一大家”，这是因为墨子的主张 A. 代表手工业者的利益 B. 倡导主动地爱护别人 C. 强调爱不分厚薄亲疏 D. 强调各国要和平相处 【答案】C 【解析】 【详解】结合所学内容可知，墨子主张兼爱非攻，即无差别的去爱所有人，强调爱不分厚薄亲疏，故选C；ABD中的说法不能准确体现墨子兼爱的含义，与题意不符，排除。 2. 西汉时期，针对废除盐铁官营的呼声，桑弘羊指出：盐铁官营是“国家大业，所以制四夷，安边足用之本，不可废也”。他主张盐铁官营的主要理由是 A. 巩固边防维护统一 B. 增加国家财政收入 C. 打击地方豪强势力 D. 加强中央经济控制 【答案】A 【解析】 【详解】根据材料“国家大业，所以制四夷，安边足用之本”可知，桑弘羊主张盐铁官营主要是从维护国家安全和统一角度强调盐铁官营的重要性，故A符合题意；增加财政收入是为巩固边防、维护统一而服务，故排除B；打击豪强与加强经济控制在材料中没有体现，故排除CD。 3. 朱熹说：“唐源流出于夷狄，故闺门失礼之事不以为异”。这反映了唐朝社会 A. 违背正统，纲纪混乱 B. 文化多元，社会宽容 C. 婚恋自由，风气开放 D. 华夷交融，民族和睦 【答案】B 【解析】 【详解】朱熹认为“唐源流出于夷狄，故闺门失礼之事不以为异”，其大意为，唐朝皇室有着夷狄血统，所以婚姻伦理关系错乱也不足为奇，这说明朱熹认为唐朝社会文化多元、社会宽容，故B项符合题意；其他三个选项均与题干信息不符合，故排除ACD。 4. 结合下图指出北宋选择定都开封的主要原因
一、第三章 相互作用——力易错题培优（难） 1．如图所示，一固定的细直杆与水平面的夹角为α=15°，一个质量忽略不计的小轻环C 套在直杆上，一根轻质细线的两端分别固定于直杆上的A 、B 两点，细线依次穿过小环甲、小轻环C 和小环乙，且小环甲和小环乙分居在小轻环C 的两侧．调节A 、B 间细线的长度，当系统处于静止状态时β=45°.不计一切摩擦．设小环甲的质量为m 1，小环乙的质量为m 2，则m 1∶m 2等于( ) A ．tan 15° B ．tan 30° C ．tan 60° D ．tan 75° 【答案】C 【解析】 试题分析：小球C 为轻环，重力不计，受两边细线的拉力的合力与杆垂直，C 环与乙环的连线与竖直方向的夹角为600，C 环与甲环的连线与竖直方向的夹角为300，A 点与甲环的连线与竖直方向的夹角为300， 乙环与B 点的连线与竖直方向的夹角为600，根据平衡条件，对甲环： ，对乙环有： ，得 ，故选C ． 【名师点睛】小球C 为轻环，受两边细线的拉力的合力与杆垂直，可以根据平衡条件得到A 段与竖直方向的夹角，然后分别对甲环和乙环进行受力分析，根据平衡条件并结合力的合成和分解列式求解． 考点：共点力的平衡条件的应用、弹力． 2．如图所示，竖直面内有一圆环，轻绳OA 的一端O 固定在此圆环的圆心，另一端A 拴一球，轻绳AB 的一端拴球，另一端固定在圆环上的B 点。最初，两绳均被拉直，夹角为θ（2 π θ> ）且OA 水平。现将圆环绕圆心O 顺时针缓慢转过90°的过程中（夹角θ始终不 变），以下说法正确的是（ ） A ．OA 上的张力逐渐增大 B ．OA 上的张力先增大后减小 C ．AB 上的张力逐渐增大 D ．AB 上的张力先增大后减小 【答案】B 【解析】 【分析】
凌源市高中尖子生抽测试题 高三数学 考生注意： 1.本试卷分选择题和非选择题两部分。满分150分，考试时间120分钟。 2.考生作答时，请将答案答在答题卡上。选择题每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑；非选择题请用直径0.5毫米黑色墨水签字笔在答题卡上各题的答题区 域内作答，超出答题区域书写的答案无效，在试题卷、草稿纸上作答无效 ．．．．．．．．．．．．．．．．．．．．．．．．．．．。 3.本卷命题范围：高考范围。 一、单项选择题：本题共8小题，每小题5分，共40分。在每小题给出的四个选项中，只有一项是符合题目要求的。 1.已知集合M＝{x|2x2－5x－3<0}，N＝{－2，1，2，4}，则M∩N＝ A.{－2，1，2} B.{1，2} C.{1，4} D.{1，2，4} 2.设复数z＝1－(1－i)3，则|z|＝ A.1 B.2 C.5 D.13 3.如图所示的△ABC中，点D是线段AC上靠近A的三等分点，点E是线段AB的中点，则DE ＝ A. 11 BA BC 36 -- B. 11 BA BC 63 -- C. 51 BA BC 63 -- D. 51 BA BC 63 -+ 4.设集合M＝{x|x>2}，P＝{x|x<6}，那么“x∈M或x∈P”是“x∈M∩P”的 A.充分不必要条件 B.充要条件 C.必要不充分条件 D.既不充分也不必要条件 5.牛顿冷却定律描述一个物体在常温环境下的温度变化：如果物体的初始温度为T0，则经过一 定时间t后的温度T将满足T－T a＝ 1 () 2 t h·(T0－T a)，其中T a是环境温度，h称为半衰期。现 有一杯85℃的热茶，放置在25℃的房间中，如果热茶降温到55℃，需要10分钟，则欲降温到45℃，大约需要多少分钟？(lg2≈0.3010，lg3≈0.4771) A.12 B.14 C.16 D.18 6.已知抛物线C：y2＝2px(p>0)的焦点为F，直线y＝k(x＋2)与抛物线C交于点A(1，2)，B，
高一英语综合测试题 第一部分：听力（共两节, 满分30分） 第一节(共5小题；每小题1.5分，满分7.5分) 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. How does Paul make a living? A. By repairing cars B. By making cars C. By selling cars 2. What’s the man’s trouble? A. He has caught a bad cold B. He often coughs C. He can’t sleep well 3. How does the woman contact her friends? A. By letter B. By telephone C. By email 4. When should the man check in? A. At 8:30 B. At 8:00 C. At 9:00 5. What does the man imply? A. The daytime is too long B. He is very tired C. He feels lonely 第二节(共15小题；每小题1.5分，满分22.5分) 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段对话, 回答第6至8题 6. What does the man plan to do this Saturday morning? A. Get up late B. Cut some wood C. Take a walk 7. What did people say about the wolf? A. It killed a lot of small animals B. It was attracted by the food left by people C. It killed little children 8. What do we know about the woman? A. She may not catch what others said B. She is telling a lie to the man C. She often tells jokes to people 听第7段对话, 回答第9至11题 9. Which subject is suitable to start a conversation according to the woman? A. Bars B. Weather C. Public affairs 10. Why does Mark look unhappy? A. Because he is worried about his English B. Because he is not a member of the club yet C. Because he is worried about the coming exam 11. What does the woman advise the man to do? A. Go to hotels B. Join a club C. Find a partner 听第8段对话, 回答第12至14题 12. Where didn’t the man go? A. Edinburgh B. St. Andrews D. Highlands 13. How is the life in Scotland? A. Hard B. Not so hurry-up C. Busy 14. How many people went to Scotland with the man?w_w w. k#s5_u.c o*m A. 1 B. 2 C. 3 听第9段对话, 回答第15至17题 15. What do we know about the man? A. He hopes to become a painter some day B. He isn’t very familiar with painting C. He doesn’t like the course at all 16. Who is Lucy Green? A. The painter Desiree B. The professor of the course C. The woman’ s friend 17. Where was probably the woman last night? A. At home B. At p refessor Brown’s C. At an exhibition 听第10段对话, 回答第18至20题 18. Why are many roads closed in the north? A. Because of heavy rain B. Because of strong winds C. Because of fallen stones from mountains 19. Where have fifty houses been flooded? A. In the south B. In the north C. In the east 20. What happened in the west? A. Many boats were missing B. Four people died in a river C. Two villages were under water 第二部分：词汇知识运用（共两节，满分40分） 第一节：多项选择（共10小题；每小题1分，满分10分） 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 21．Leave it to me! I feel more about myself and my abilities these days. A. confident B. curious C. sensitive D. worried 22．You might those fireworks, Jane. Do be careful with them. A. give off B. cut off C. set off D. put off 23．—What shall I do if I meet a word that I don’t know? —If you can’t guess its meaning, you can the dictionary. A. examine B. consult C. combine D. gain
辽宁省实验中学2019——2020学年度上学期期中阶段测试 高二数学试卷 考试时间：120分钟 试题满分：150分 一、单项选择题（每题只有一个正确选项，将正确选项涂在答题卡相应位置，每题正确得5分，错误不得分，共10题，满分50分） 1.数列1,3,7,15，……的通项可以是（ ） A 、 12-n B 、12-n C 、12-n D 、12+-n n 2、点()3,2A -，()3,2B ，直线10ax y --=与线段AB 相交，则实数a 的取值范围是（ ） A ．41 32 a - ≤≤ B ．1a ≥或1a ≤- C ．11a -≤≤ D ．43a ≥ 或1 2 a ≤ 3．若直线1:260l ax y ++=与直线2 2:(1)10l x a y a +-+-=平行，则a =（ ） A ．2或－1 B ．－1 C ．2 D ． 23 4．以双曲线2 2 13 y x -=右焦点为圆心，且与双曲线的渐近线相切的圆的方程为（） A ．22 (2)3x y ++= B ．22 (2)9x y ++= C ．2 2 (2)3x y -+= D ．2 2 (2)9x y -+= 5．若圆2 2240+-++=x y x y m 截直线30x y --=所得弦长为6，则实数m 的值为 A ．1- B ．2- C ．4- D ．31- 6．若直线l 1：x ＋3y ＋m ＝0(m ＞0)与直线l 2：2x ＋6y －3＝0，则m ＝( ) A ．7 B ． 172 C ．14 D ．17
7．已知椭圆22 134 x y C +=：的上焦点为F ，直线10x y +-=和10x y ++=与椭圆分别相交 于点A 、B 、C 、D ，则AF BF CF DF +++=（） A ．23 B ．8 C ．4 D ．43 8．数列{}n a ，{}n b 满足1 1111,2,n n n n b a b a a n N b +++==-==∈，则数列{} n a b 的前n 项和为 （ ） A ．1 4(41)3 n -- B ． 4(41)3 n - C ．1 1(4 1)3 n -- D ．1(41)3 n - 9．美学四大构件是:史诗、音乐、造型(绘画、建筑等)和数学,素描是学习绘画的必要一步，它包括了明暗素描和结构素描而学习几何体结构素描是学习素描最重要的一步，某同学在画“切面圆柱体”(用与圆柱底面不平行的平面去截圆柱，底面与截面之间的部分叫做切面圆柱体，切面圆柱体中原圆柱的母线被截面所截剩余的部分称为切面圆柱体的母线)的过程中，发现“切面”是一个椭圆，若切面圆柱体的最长母线与最短母线所确定的平面截切面圆柱得到的截面图形是有一个底角为60度的直角梯形，则该椭圆的离心率为( ) A ． 12 B ．2 C ． 3 D ．13 10．已知点P ，Q 分别在直线1:20l x y ++=与直线2:10l x y +-=上，且1PQ l ⊥，点 ()3,3A --，31,22 B ?? ??? ，则AP PQ QB ++的最小值为（）． A ．1302 B ．32 132 + C ．13 D ．32 二、多项选择题（每题至少有两个正确选项，将所有正确选项涂在答题卡相应位置，每题5分，全部正确得5分，选项不全得2分，若有错误选项得0分，共2题，满分10分） 11.已知数列}{n a 为等差数列，11=a ，且842,,a a a 是一个等比数列中的相邻三项，记
一、第五章抛体运动易错题培优（难） 1．如图所示，一块橡皮用细线悬挂于O点，用铅笔靠着线的左侧水平向右匀速移动，运动中始终保持悬线竖直，则橡皮运动的速度 A．大小和方向均不变 B．大小不变，方向改变 C．大小改变，方向不变 D．大小和方向均改变 【答案】A 【解析】 【分析】 【详解】 橡皮参与了水平向右和竖直向上的分运动，如图所示，两个方向的分运动都是匀速直线运动，v x和v y恒定，则v合恒定，则橡皮运动的速度大小和方向都不变，A项正确． 2．一小船在静水中的速度为3m/s，它在一条河宽150m、水流速度为4m/s的河流中渡河，则该小船（） A．能到达正对岸 B．渡河的时间不少于50s C．以最短时间渡河时，它渡河的位移大小为200m D．以最短位移渡河时，位移大小为150m 【答案】B 【解析】 【分析】 【详解】 A．因为船在静水中的速度小于河水的流速，由平行四边形法则求合速度不可能垂直河岸，小船不可能垂直河岸正达对岸，选项A错误；
B ．当船在静水中的速度垂直河岸时，渡河时间最短 min 150s 50s 3 d t v = ==船 选项B 正确； C ．船以最短时间50s 渡河时，沿水流方向的位移大小 450m 200m min x v t ==?=水 渡河位移应为水流方向的位移与垂直河岸方向位移的合位移，选项C 错误； D ．因为船在静水中的速度小于河水的流速，由平行四边形法则求合速度不可能垂直河岸，小船不可能垂直河岸正达对岸。若以最短位移渡河，情景如图 根据三角形相似可知，最短位移 150m 200m v s v = ?=水船 选项D 错误。 故选B 。 3．甲、乙两船在静水中航行的速度分别为5m/s 和3m/s ，两船从同一渡口过河，已知甲船以最短时间过河，乙船以最短航程过河，结果两船抵达对岸的地点恰好相同。则水的流速为（ ） A ．3m/s B ．3.75m/s C ．4m/s D ．4.75m/s 【答案】B 【解析】 【分析】 【详解】 由题意，甲船以最短时间过河，乙船以最短航程过河，结果两船抵达对岸的地点恰好相同，可知，甲乙实际速度方向一样，如图所示 可得
第一部分听力（共两节，满分30分） 第一节（共5小题；每小题1.5分，满分7.5分） 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. What does the woman think of surfing？ A. It’s exciting. B. It’s dangerous. C. It’s unforgettable. 2. How will the speakers go to the concert？ A. By car. B. By bus. C. On foot. 3. What are the speakers talking about？ A. A concert. B. A record. C. Some singers. 4. Where are the speakers？ A. In a library. B. In a bank. C. In a restaurant. 5. What is the woman going to do this evening？ A. Go to the cinema. B. Visit her sister. C. Go to dinner. 第二节（共15小题；每小题1.5分，满分22.5分） 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听
高一英语上册周测试题及答案 高一英语上册周测试题一、单项选择 1.This problem may lead to more serious ones if ____ unsolved. A.making B.remained C.keeping D.left 2.I have no dreams ____ to have a happy life. A.rather than B.more than C.other than D.less than 3.You knoe B.much C.any D.no 4.$100 a month could hardly ____ the cost of his life in such a big city in this country. A.spend B.take C.cover D.meet 5.Working in the kitchen for years made Tom ____ a good cook. A.for B.into C.of D.as 6.She it she e Nanjing University Im not quite certain, but he ____ a good teacher of English. A.promises B.becomes C.makes D.proves 9.My mother is ale ed by the disabled actors is really a hit, but years ago no one ____ they ust have imagined B.could have imagined C.should have imagined D.agined 11.The young lady prefers dressing up for a party to ____ by others. A.be noticed B.being noticed C.having been noticed D.have been noticed 12.Before the any people ____ possessions they could not take .
2019-2020学年辽宁省实验中学高一（上）期中化学试卷 一、单选题（本大题共19小题，共47.0分） 1. 下列说法正确的是( ) A. 钠与CuSO 4溶液反应：2Na +Cu 2+=Cu ↓+2Na + B. Na 2O 2与水反应时，生成0.1 mol O 2，转移的电子数为0.2N A C. 足量Na 2O 2加到紫色石蕊溶液中，石蕊溶液最终变成蓝色 D. 在酒精灯加热条件下，Na 2CO 3和NaHCO 3固体都能发生分解 2. “84”消毒液(有效成分为NaClO)可用于消毒和漂白，下列实验现象的分析错误的是( ) 实验 现象 混合后溶液的pH =9.9，短时间内未褪色，一段时间后蓝色褪去 混合后溶液pH =5.0，蓝色迅速褪去，无气体产生 混合后溶液pH =3.2， 蓝色迅速褪去，并产生大量气体，使湿润的淀粉?碘化钾试纸变蓝 ①②②B. 实验③中产生的气体是Cl 2，由HClO 分解得到：2HClO =Cl 2↑+H 2O C. 对比实验②和③，溶液的pH 可能会影响ClO ?的氧化性或Cl ?的还原性 D. 加酸可以提高“84”消毒液的漂白效果，但需要调控合适的pH 才能安全使用 3. 常温下，下列各组离子在指定溶液中能大量共存的是( ) A. 无色透明溶液中：K +,SO 42?,Na + ,MnO 4? B. c (H +)c (OH ?) =1×10?12的溶液中：NO 2?,Na +,[Al (OH )4]?,K + C. c (NO 3?)=1mol ?L ?1的溶液中：H +,NH 4+,Fe 2+,Cl ? D. 水电离的c (H +)=1×10?12mol ?L ?1的溶液中：HCO 3?,SO 42?,K +,Cl ? 4. 用N A 表示阿伏加德罗常数的值，下列叙述正确的是( ) A. 含有1mol 原子的氢气在标准状况下的体积约为22.4 L B. 25 ℃，1.01×105Pa ，64 g SO 2中含有的原子数为3N A C. 1 mol/L 的Na 2SO 4溶液含Na +数为2N A D. 标准状况下，11.2 L H 2O 含有的分子数为9g 5. 将5mol ·L ?1的Mg(NO 3)2溶液a mL 稀释至b mL ，稀释后溶液中NO 3?的物质的量浓度为( )
化学测试题 (时间90分钟，满分100分) 一、选择题(本题包括20小题，每小题2分，共40分) 1．下列说法中正确的是() A．1s电子云呈球形，表示电子绕原子核做圆周运动 B．电子云图中的小黑点密度大，说明该原子核外空间电子数目多 C．n s能级的原子轨道图可表示为D．3d3表示3d能级有3个轨道 2.下列原子外围电子层的电子排布图正确的是() A．O B．Fe C．Si D．Cr 3.下列说法不正确的是() A．分子间作用力是分子间相互作用力的总称B．分子间氢键的形成对物质的熔、沸点有影响 C．范德华力与氢键可同时存在于分子之间 D．氢键是一种特殊的化学键，它广泛地存在于自然界中 4．下列说法中不正确的是() A．σ键比π键重叠程度大，形成的共价键强B．两个原子之间形成共价键时，最多有一个σ键 C．气体单质分子中，一定有σ键，可能有π键D．HClO分子中有s-p σ键和p-p σ键 5．萤石(CaF2)是一种难溶于水的固体。下列实验事实能说明CaF2一定是离子晶体的是() A．CaF2难溶于水，其水溶液的导电性极弱B．CaF2的熔点较高，硬度较大C．CaF2固体不导电，但在熔融状态下可以导电D．CaF2在有机溶剂(如苯)中的溶解度极小 6．在金属晶体中，如果金属原子的价电子数越多，金属阳离子的半径越小，自由电子与金属阳离子间的作用力越大，金属的熔点越高。由此判断下列各组金属熔点的高低顺序，其中正确的是() A．Mg＞Al＞Ca B．Al＞Na＞Li C．Al＞Mg＞Ca D．Mg＞Ba＞Al 7．下列关于配位化合物的叙述中，不正确的是() A．配位化合物中必定存在配位键B．配位化合物中只有配位键
英语试题 第一部分阅读理解（共两节，满分50分） 第一节:（共15小题；每小题2.5分，满分37.5分） 阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。 A Each applicant to Harvard College is considered with great care.We consider each applicant to Harvard College as a whole person,and put enormous care into evaluating every application.We hope you will explore the information in this section to understand what we look for in our admissions process. How to Apply Submit your application through the Common Application,the Coalition Application,or the Universal College Application.Each is hetreated equally by the Admissions https://www.doczj.com/doc/c111793882.html,plete and submit your materials as soon as possible to ensure full and timely consideration of your application.View our Application Tips for step-by-step information.. When to Apply Date Deadline Date Deadline November1Early Action Deadline March1Financial Aid Application deadline November1Early Financial Aid Applica-tion deadline Late March Decision letters mailed Mid--December Early Auction decisions released May1 Reply date for Admitted Students January1Regular Decision deadline What We Look For We seek promising students who will contribute to the Harvard community during their college years,and to society throughout their lives. While academic accomplishment is the basic requirement,the Admission Committee considers many other factors—strong personal qualities,special talents or excellences of all kinds,perspectives formed by unusual personal circumstances,and the ability to take advantage of available resources and opportunities. We outline everything you need to apply to Harvard. Click https://https://www.doczj.com/doc/c111793882.html,/admissions/apply to get detailed requirements. 1.Where can you find step-by-step information of how to apply? https://www.doczj.com/doc/c111793882.html,mon Application. B.Coalition Application. C.Universal College Application. D.Application Tips.