Unit 1Tales of the unexplained
1.1)step up 加紧,加强,促进;走上前来
step aside 让开;到一边去
step back 后退
step on 登上
2)step的过去式和过去分词都是stepped
2.1)a witness to sth.某事的目击者;证明
witness sth.目击某事
2)witness前常常用时间或地点做主语,表示某事发生在什么时间或地点,是一种形象生动的表达方式。
3.★考点:assume vt. 假定;认为
assume to be 认为……是……
assume that...假定,认为……
It is assumed that...人们认为……
assuming that 假如……(引导条件状语从句,与if同义)
4.★考点:occur vi. 发生
sth.occurs/occurred to sb.某人想到某物
It occurs/occurred to sb.that...某人突然想到……
5.★考点:show up出现,现身,露面,来到,出席(相当于turn up) show off炫耀;卖弄
show sb.around/round sp.带领某人参观某地
show sb.the way给某人带路
show sb.in/out领某人进来/出去
show sb.sth.向某人展示某物
on show=on display在展出
6.★考点三:take charge of负责,掌管
in charge of 负责;掌管
in one’s charge/in the charge of sb.由……负责
charge sb.for sth.因为某事向某人收费
free of charge 免费
7.★考点:case n.案件;具体情况,实例
in one’s case 就某人的情况而言;根据某人的情况
in that case 如果是那样的话
in any case 无论如何;在任何情况下
in case以防万一(后接句子)
in case of 以防万一(后接名词)
8.★考点:look into调查;向……里面看
look through浏览;匆匆看一遍
look up查看;向上看
look out小心
9.★考点:base n.基地,大本营;底部;基础vt. 以……为基础base...on... 把……建立在……的基础之上
be based on 以……为基础
10.★考点:enthusiastic adj. 热情的;热烈的;满腔热忱的
be enthusiastic about对……热心,充满热情enthusiasm n.热情
11.★考点:exist vi. 存在;生存
exist on=live on靠……生存
existence n.存在,生存
come into existence出现;产生
12.★考点:disagree vi. 不同意;不一致;不适合disagree with sb.about/on sth.在某事上与某人意见不同A disagree with B A和B不一致
agree vi. 同意
agree with sb.about/on sth.在某事上同意某人的意见agree to赞成(计划、安排等)
agree on在某一方面达成一致
13.★考点:discount n.折扣
get a discount享受优惠
give/offer sb.a discount向某人提供折扣
at a discount打折
discount price折扣价
14.★考点:organize vt. 组织,筹备;安排,处理organization n.[C]组织,团体[U]组织工作organized adj. 有组织的;有安排的;有条理的organizer n.组织者
15.★考点:award n.奖,奖品,奖金vt. 授予,奖励
award sb.sth./award sth.to sb.授予某人某物
16.have sth.done让别人做某事
have sb.do sth.让某人做某事
have sth.to do有某事要做
17.★考点:reserve n.(动植物)保护区;储备vt. 预订;保留;储备reserve sth.for sb.为某人保留某物
in reserve储存;留以备用
18.★考点:convince vt. 使确信,使相信;说服
convince sb.that.../of... 使某人相信……
convinced adj. 确信的;信服的
be convinced of.../that... 确信……,相信……
convincing adj. 令人信服的,有说服力的
19.★考点:make one’s way to前往,到……去
1)feel one’s way a.打开一条路
2)find one’s way b.蜿蜒、曲折前进
3)force one’s way c.摸索前进
4)fight one’s way d.强行通过
5)push one’s way e.找出途径,找到路
6)wind one’s way f.挤出一条路
7)lose one’s way g.迷路
英语必修二知识点整理 Unit1 Cultural relics 1.基础梳理 rare valuable survive vase dynasty amaze honey design fancy style decorate jewel artist belong to remove troop reception doubt former worth local apartment paint castle trail envidence entrance sink sailor maid in formal debate take apart keep…in one’s heart 2.词语归纳 1)state 指“国家”时，常表示“政权，国体”等政治性概念，首字母常常大写。表示“状态，情况”时，为可数名词，常作单数;in a state表示“处于混乱或者是不整洁的状态”;get into a state变得十分紧张。 in state 庄严堂皇的，隆重的 state也可以作动词，表示“陈述，阐明，声明”，多用于正式场合或者是公文，商务信函，日常用语中应该避免。 表示“据说，据称”常用于it或者sb/sth作主语的被动句中。 2)rare 作形容词，表示“罕见的，稀少的，稀有的，难得的”，可形容人或者是物。rare也可以指肉，表示“未熟的，半熟的”。 rare也是作副词，相当于rarely，意思是“很，非常”。 rare和and连用，相当于一个副词，意思是“很，极，非常”。 3)belong 不能用于被动语态和进行时。 belong in 适宜于，用利于，应该用在……。 4)gift
Module 3 Music SectionⅠIntroduction,Reading&Vocabulary 一、写作词汇检测 根据每一组的提示词,完成或者翻译句子 1.lose 1) in thought,I almost ran into the car in front of me. 2)没有时间可浪费。 答案:1)Lost 2)There’s no time to lose. 2.talent 1)Although he’s less ,he won by working hard. 2)他很有写作天赋。 答案:1)talented 2)He has a talent for writing. 3.impress 1)I have a good on the director. 2)你的才华给我们留下了深刻的印象。 答案:1)impression 2)We were impressed with/by your talent. 运用所学的单词或短语造句 4.be known as 5.as well as 6.It is/was...that 答案:略 二、阅读词汇检测 阅读下列句子,说出黑体词或词组的汉语意思 1.Genius is one percent inspiration and ninety-nine percent perspiration. 含义: 答案:天才 2.The audience clapped when the orchestra ended their performance.
含义: 答案:乐队 3.The symphony is composed of many beautiful pieces. 含义: 答案:由……组成 4.These musicians spent two months touring Africa. 含义: 答案:巡回演出 5.The boy turned a deaf ear to what his mother said. 含义: 答案:听而不闻 三、用下列短语的正确形式填空 1.He a pop singer all over the world. 答案:is known as 2.The old lady began because of a serious disease. 答案:to go deaf/going deaf 3.We the beautiful scenery when we finally climbed to the top of the mountain. 答案:were impressed with 4.At present,people farmland wasteland as they have cut so many forests. 答案:are changing;into 5. thought,the girl didn’t notice us come in. 答案:Lost in 6.The club 20 members from other cities. 答案:is composed of 7.Qi Baishi is one of the greatest artists in China . 答案:of all time 8.Have you ever the Red Group?They are a pop group. 答案:heard of 9.Jack his family went on a trip to America last week. 答案:as well as 10.Our monitor is a talented man.He organisation. 答案:has a talent for 四、语法填空
Survey n. 纵览,视察,测量v. 审视,视察,通盘考虑,调查 1. We stood on the top of the mountain and surveyed the countryside. 我们站在山顶上，眺望乡村。 2. A quick survey of the street showed that no one was about. 扫视街道, 空无一人。 Add v. 增加 1. He added some wood to increase the fire. 他加了一些木柴，使火旺些。 2. If you add 4 to 5, you get 9. 四加五等于九。 3. Add up all the money I owe you. 把我应付你的钱都加在一起。 Upset a. 烦乱的,不高兴 v. 颠覆,推翻,扰乱,使心烦意乱,使不舒服 1. I'm always upset when I don't get any mail. 我接不到任何邮件时总是心烦意乱。 2. He has an upset stomach. 他胃不舒服。 3. The news quite upset him. 这消息使他心烦意乱。 Ignore v. 不顾,不理,忽视 1. I said hello to her, but she ignored me completely! 我向她打招呼, 可她根本不理我! 2. I can't ignore his rudeness any longer. 他粗暴无礼, 我再也不能不闻不问了。 Calm n. 平稳,风平浪静 a. 平静的,冷静的 v. 平静下来,镇静 1. It was a beautiful morning, calm and serene. 那是一个宁静、明媚的早晨。 2. You should keep calm even in face of danger. 即使面临危险，你也应当保持镇静。 3. Have a brandy it'll help to calm you (down). 来点儿白兰地--能使你静下来。 calm down vt. 平静下来(镇定下来) 1. His rage was soon calmed down by the rustic peace. 乡村的宁静很快就使他的怒气平静下来。 2. I told myself to calm down. 我告诫自己要冷静下来。 have got to conj. 不得不(必须) 1. You may not like him, but you have got to admire his persistence. 你可以不喜欢他，但你不得不佩服他那种坚忍不拔的精神。 2. I couldn't have got to the meeting on time -- unless I had caught an earlier train. 我不可能及时赶到会场，除非我赶上了较找的一班火车。 Concern n. 关心,关系, 关切的事,忧虑 v. 涉及,与...有关,影响;使关心 1. How much money I earn is none of your concern. 我挣多少钱与你无关。 2. These problems concern all of us. 这些问题影响到我们每一个人。 3. This restaurant is a family concern. 这家饭店是由一家人经营的。 be concerned about vt. 关心(挂念) 1. It is reassuring to be enquired after when you're ill. It shows your friends haven't stopped being concerned about you. 如果能询问一下你是何时生病的我们也就放心了。因为你的朋友一直在关心你。 2. The government's claim to be concerned about unemployment is sheer hypocrisy. 政府声称对失业表示关注纯属做做姿态。 Cheat n. 骗子,欺骗行为 v. 欺骗,作弊 1. His father was cheated of his land. 他的父亲被人骗走了地产。 2. He never cheats to pass examination. 他考试从不作弊。 3. He was cheated (out) of his rightful inheritance. 他依法应得的遗产被人骗走了. Reason n. 理由,原因,理智,理性 v. 说服,推论,下判断 1. She can reason very clearly. 她能很清晰地思考。 2. Copernicus reasoned that the earth revolved around the sun. 哥白尼论证了地球绕着太阳转。 3. We have reason to believe that he was murdered. 我们有理由相信他是被谋杀的。 list n. 目录,名单,明细表 v. 列出,列于表上,记入名单内 1. He wrote down his name on the list. 他将他的名字写在清单上。 2. He listed all the things he had to do. 他把自己必须做的事列成表。 Share n. 部份,股份,分担 v. 共享,共有,分配 1. If you want a share of the pay, you'll have to do your fair share of the work. 要是你想得到一份报酬，你就必须做好你该分担的那一份工作。 2. She's got all her money in stocks and shares. 她所有的钱都投放到股票里去了。
Unit 5 Music language points Ⅰ 1.Have you ever dreamed of playing in front of thousands of people at a concert…?你曾经梦想过在音乐会上为成千上万人弹奏吗？ dream ⑴ vt. vi. 做梦；梦想；梦见。后接名词、代词或宾语从句，且常与not, little, never等否定词连用，意为“想不到” ⑵ n.梦；梦想；理想 have a good / bad dream 做好/ 噩梦dream of / about (doing) sth.梦到某物/ 梦想做…… dream one’s life away 虚度光阴dream a … dream 做……梦 ⑴She dreamt her life away, never really achieved anything. 她虚度一生，一事无成 ⑵我常常梦想自己成为一个深受欢迎的歌星。I often dream of becoming a very popular singer. ⑶我真没想到能在这见到你。I never dreamed of meeting you here. 2. Do you sing Karaoke and pretend you are a famous singer like Song Zuying or Liu Huan? 你唱卡拉OK时是否假装自己就像宋祖英或刘欢一样著名的歌星吗？ pretend ⑴vt.“假装；装扮；伪称（某事物）；声称做某事；自称为某事物”。 ⑵vi.“假装；自封；自称”。 观察下列句子，试总结相关结构： ①She pretended illness so that she wouldn’t have to go. Pretend + n. ②He pretended that he had known the result. pretend that… ③We mustn’t pretend to know what we don’t know. Pretend to do ④The students pretended to be reading their books when the teacher came back. Pretend to be doing 【即学即练】 ⑴她假装喜欢他们，借以获得他们的帮助。 She pretends that she likes them so that she can get their help. ⑵他假装对我友善。 He pretended to be friendly with me. 3.To be honest, a lot of people attach great importance to becoming rich and famous.说实在的，许多人把名和利看得重要。 1)honest adv. honestly “诚实地；的确”n. honesty “诚实；坦率；正直” to be honest“说实在地；实话说”，用以强调所言出自真心。=to tell the truth=honestly honest前可以加quite, absolutely. perfectly等副词。
高一英语知识点归纳和总结必修2第一单元 一、重点短语回顾 1. in search _________ 寻找，搜寻 2. _______ to 属于 3. in _________ 作为报答，回报 4. at _________ 处于交战状态 5. _______ than 少于 6. be __________ doing 值得做 7. add A ______ B 把A添加到B 8. serve _______ 充当 9. agree ______ 同意；赞成 10. care _______ 关心；在乎 11. rather _______ 而不是 12. for _________ 亲自 13. to one’s _______ 令某人吃惊的是 14. think _______ of 看重；器重 15. search _______ 寻找 1. of 2. belong 3. return 4. war 5. less than 6. worth 7. to 8. as 9. with 10. about 11. than 12. oneself 13. to 14. highly 15. for 二、课本知识点 2. in search of 寻找，找寻in the search of (?) in one’s search for = in the search for (?) search sp.某地for sb./sth 搜查某地寻找某人某物in one’s research of (×) 3. could have done 意思1：过去可能做过某事 I can't imagine how he could have thought of doing such a thing。 我不能想象他怎么会想到做这样的事。 这里的could表示对可能性的一种推测。 意思2：本来可以做某事(而实际上没做)*- But for your help, I could have fed the fishes. 若不是你搭救，我恐怕已经葬身鱼腹了 4.must have done 肯定干了某事 can’t have done = couldn’t have done 肯定没干某事 5. may have done = might have done 可能干了某事 may not have done = might not have done 过去可能没做过某事 6. need have done 本应该做某事但是没有 needn’t have done 本不必做某事（而实际上做了） 7. should have done = ought to have done 本该做某事（而实际上未做） 8. shouldn’t have done = oughtn’t to have done 本不该做某事（而实际上做了） 9. would have done 本来会做某事 10. would not have done 本来不会做某事（但是做了） 11. imagine doing 想象做某事imagine sb doing 想象某人干某事 imagine sb’s doing 想象某人干某事
高一英语必修1 Unit 1 Friendship Part 1. Warming up 1.介词不同，含义有别： be good to sb./sth. 对… 好be good for sb./sth. 对… 有好处 be good at (doing) sth. 擅长，精通be good with sb./sth. 善于应付… 的 eg. She was very good to me when I was ill. Doing morning exercises is good for health. Tim is good at speaking English. He is very good with children. 他对孩子很有一套。 2.add up 合计，把…加起来add up to 合计达到… add to 增加，增添add A to B 把…加进…里面，把…和…相加 eg. Please add these figures up. These figures add up to 900. The bad weather added to our difficulities. Please add some salt to the water. Add three to four and you get seven. ▲ add vt. 补充说（后接that从句或者直接引语） eg. He added that they would return in a week. “And don’t be late,”she added. 3.point n.点，要点，观点，意义，得分v.指着 be on the point of doing sth. when......=be about to do sht. when....正要做某事，这时...... There is no point (in) doing sth. 没有必要（意义）做某事 4. until与not … until until表示动作、状态的持续，强调“一直到……为止”，或强调某个动作或状态一直持续到另一个动作或状态出现之前。常与表示延续性动作的动词连用。 not … until表示“到……为止；直到……才”，常与表示瞬间性动作的动词连用。 eg. He lived with his parents until he graduated from college. The noise of the street didn’t stop until midnight. 5. finish sth./doing sth. 后跟动名词作宾语的动词或短语还有：admit, appreciate, avoid，consider，delay, enjoy，escape, feel like, forgive, get down to, give up, imagine，mind, miss（错过）, practice, suggest, risk，can't stand（不能忍受）, can’t help (忍不住），give up, put off等。 help sb.(to) do sth. There is no way to escape doing the work. 没有办法逃脱做这项工作。 We shall appreciate hearing from you again. 能再次收到你的来信，我们将十分感激。 He put off paying the bills 6. get sth. done 使某事被做( get做使役动词，“使、叫、让”后接复合宾语) eg. When are you going to get your hair cut? I must get my homework finished first before going out to play. He got his foot hurt while playing football. ▲get sb. to do sth. 让某人做某事eg. I will get him to do the work. ▲get sb./sth. doing…使某人或者某物开始…起来eg. Let me try now. I will get the car going. ▲get + n. + adj. 使… 成为某种状态eg. Get everything ready. ★联想：have sth. done 使某事被做 have sb. do sth. 让某人做某事
Unit 5 Music 1. Have you ever dreamed of playing in front of thousands of people at a concert … … dream of sth. / doing sth. 梦想做某事 dream of a better future 梦想一个美好的未来 go like a dream 容易的，完美的 E.g. When she was young, she dreamed of being a doctor in the future. 2.Do you sing karaoke and pretend you are a famous singer like Song Zuying or Liu Huan? pretend to do sth. 假装做某事 pretend to be doing sth. 假装正在做某事 pretend to have done sth. 假装已经做了某事 E.g. I pretend to give him the cold shoulder (冷落) 我故意假装冷落他。 He pretended to be reading an important when the boss entered. 3. To be honest, a lot of people attach great importance to becoming rich and famous. Ⅰ. be honest with sb. 对某人说实话，对…诚实 to be honest= honestly speaking = honestly说实在,实话说 quite honest about it (插入语)老实说 E.g. I shall be quite honest with you. 我会跟你说实话的. to make a long sentence short 长话短说 to tell (you) the truth 说实话 to begin with to make matters worse Ⅱ.attach… to… 认为…有(重要性,意义等); 附上,连接,贴上 E.g. I attached great importance to this research. 我认为这项研究十分重要. She attached a stamp to the envelop. 她在信封上贴上一枚邮票. attach A to B A附属于B the High school attached to Zhejiang University 浙大附中 help with non conation attached 无附加条件的帮助 4. But just how do people form a band? A) n. in the form of… 以……形式 in good/fine/great form 状态很好 fill in the form 填表格 B) vt. & vi. form into 组成,排成 form a habit of 养成…的习惯 5. Sometimes they may play to passers-by in the street or subway … … 复合名词变复数规则: A) 将主体名词即中心词变复数 passer-by→passers-by 路人 looker-on → lookers-on 旁观者 son-in-law → sons-in-law 女婿 editor-in-chief → editors-in-chief 主编 good-for-nothing → goods-for-nothing 无用之人 B) 若无主体名词,则只在最后一个词加复数词尾 go-between → go-betweens 中间人 grown-up → grown-ups 成年人
一、柱、台、锥、球的结构特征 二、柱体、锥体、台体、球体的表面积、体积 1、面积公式 2、体积公式
球体的表面积与体积 4πR2 4/3πR3
习题： 1．一个棱柱是正四棱柱的条件是（）. A.底面是正方形，有两个侧面是矩形 B.底面是正方形，有两个侧面垂直于底面 C.底面是菱形，且有一个顶点处的三条棱两两垂直 D.每个侧面都是全等矩形的四棱柱 2．下列说法中正确的是（）. A. 以直角三角形的一边为轴旋转所得的旋转体是圆锥 B. 以直角梯形的一腰为轴旋转所得的旋转体是圆台 C. 圆柱、圆锥、圆台的底面都是圆 D. 圆锥侧面展开图为扇形，这个扇形所在圆的半径等于圆锥的底面圆的半3．下列说法错误的是（）. A. 若棱柱的底面边长相等，则它的各个侧面的面积相等 B. 九棱柱有9 条侧棱，9 个侧面，侧面为平行四边形 C. 六角螺帽、三棱镜都是棱柱 D. 三棱柱的侧面为三角形 4．下列说法正确的是（） A. 平行于圆锥某一母线的截面是等腰三角形 B. 平行于圆台某一母线的截面是等腰梯形 C. 过圆锥顶点的截面是等腰三角形 D. 过圆台上底面中心的截面是等腰梯形 5.如果一个几何体的正视图是矩形，则这个几何体不可能是（）. A. 棱柱 B. 棱台 C. 圆柱 D. 圆锥 6.下图所示为一简单组合体的三视图，它的左部和右部分别是（） A. 圆锥，圆柱 B. 圆柱，圆锥 C. 圆柱，圆柱 D. 圆锥，圆锥
7.下图是某个圆锥的三视图，请根据正视图中所标尺寸，则俯视图中圆的面积为，圆锥母线长为. 8.下列说法正确的是（）. A.相等的线段在直观图中仍然相等 B.若两条线段平行，则在直观图中对应的两条线段仍然平行 C.两个全等三角形的直观图一定也全等 D.两个图形的直观图是全等三角形，则这两个图形一定是全等三角形 9.如图所示的直观图，其平面图形的面积为（）. A. 3 B. 6 C. D. 10.用长为4，宽为2 的矩形做侧面围成一个圆柱，此圆柱轴截面面积为（）. 11.已知圆柱与圆锥的底面积相等，高也相等，它们的体积分别为V1 和V2 ，则V1 : V2 =（）. A. 1: 3 B. 1:1 C. 2 :1 D. 3 :1 12.如图，一个简单空间几何体的三视图其主视图与左视图是边长为2 的正三 角形、俯视图轮廓为正方形，则其体积是（）. 13.已知棱长为，各面均为等边三角形的四面体，求
课题：必修二Unit3 知识点导学案年级：一年级学科：英语 班级：姓名：使用时间： 编写人：许壮丽审核人：审批人： 学习目标：1.掌握重点词汇，短语的用法 2.能够在语境中灵活运用它们 重点：掌握重点词汇，短语的用法 难点: 能够在语境中灵活运用这些重点词汇，短语 学习过程： 一．重点单词探究 1. arise rise raise arouse 填一填： (1) The sun _____________ in the east and sets in the west. (2) We should always keep in mind that accidents_____________ from carelessness while driving. (3) After the war the standard of living was __________ rapidly. (4) This book ______________ my interest in politics. 2.consider v.___________ (1)You’d better consider my suggestion. 你最好考虑我的建议。 (2)I’m considering going abroad some day.我一直考虑有一天出国。 (3)We consider him honest.我们认为他很诚实。 (4)At first they considered me as a doctor.起初他们认为我是医生。 归纳拓展： consider +n./pron./v-ing____________ consider sb./ sth+.(as)+形容词/名词_____________ 3.as 和with的用法区别：As time went by, I was made smaller.随着时间的流逝，我被做得更小了。 As we grow older, we get wiser.随着年龄的增长，我们会变得越来越聪明。 With time going by, they became close friends.随着时间的流逝，他们变成了好朋友。归纳总结拓展： as是________词，引导时间状语从句； with是_______词，后接名词或代词构成的短语或with构成的复合结构。 go by = pass 即境活用： (1)时间慢慢逝去_______________________ (2)随着年龄的增长，我们的阅历也益加丰富。 ____________________, our experiences become ________________. (3) I couldn’t do my homework with all that noise______. A. going on B. goes on C. went on D. to go on (4) ______ children get older, they become more interested in the things around them. A. While B. When C. As D. With 二、核心词汇总结： 1. in a way_________________ all the way一路上，自始至终，完全by the way 顺便说 in no way 一点也不，决不in the way 挡道，碍事 No way! 别想，没门on one’s way/the way to 在……的路上用way的短语填空： (1)__________________ to school he came across a boy who lost his way. (2) There is a truck____________________ and I can’t get through. (3) _____________, I’m glad you made that mistake, since you can learn from it. (4)__________________, have you seen my umbrella anywhere? 2. deal with (1) This is a book dealing with Asian problems. 这是一本论述亚洲问题的书。 (2) How are you going to deal with the money?____________________________ (3) I don’t know what to do with the situation. _____________________________ 归纳总结： deal with(意义)_______________________
高一英语必修一Unit1 Friendship知识点总结 1. be good to 对……友好 be good for 对……有益;be bad to…/be bad for… 2. add up 加起来增加 add up to 合计，总计 add… to 把……加到…… 3. not…until/till 意思是“直到…才” 4. get sth/sb done 使……完成/使某人被…… 5. calm down平静下来 6. be concerned about 关心注重 7. 当while, when, before, after 等引导的时间状语从句中的 主语与主句的主语一致时，可将从句中的主语和be动词省去。 While walking the dog, you were careless and it got loose. 8. cheat in the exam 考试作弊 9. go through 经历;度过;获准，通过 10. hide away 躲藏;隐 藏 11. set down 写下，记下 12. I wonder if….. 我不知道是不是…. 12. on purpose 故意 13. sth happen to sb 某人发生某事 sb happen to do sth 某人碰巧做某事 it so happened that ……正巧碰巧 14. It is the first (second…) that… (从句谓语动词用现在 完成时) 15. in one’s power 处于……的控制之中16. It’s no pleasure doing…. 做…..没有乐趣 It’s no good/ use doing s th. 做某事是没好处/没用的
2017—2018学年度下学期高一物理组 主备教师：夏春青 第五章曲线运动 一、教学目标 使学生在理解曲线运动的基础上，进一步学习曲线运动中的两种特殊运动，抛体运动以及圆周运动，进而学习向心加速度并在牛顿第二定律的基础上推导出向心力，结合生活中的实际问题对曲线运动进一步加深理解。 二、教学内容 1.曲线运动及速度的方向； 2.合运动、分运动的概念； 3.知道合运动和分运动是同时发生的，并且互不影响； 4.运动的合成和分解； 5.理解运动的合成和分解遵循平行四边形定则； 6.知道平抛运动的特点，理解平抛运动是匀变速运动，会用平抛运动的规律解答有关问题； 7.知道什么是匀速圆周运动; 8.理解什么是线速度、角速度和周期; 9.理解各参量之间的关系;10.能够用匀速圆周运动的有关公式分析和解决有关问题；11.知道匀速圆周运动是变速运动,存在加速度。12.理解匀速圆周运动的加速度指向圆心，所以叫做向心加速度；13.知道向心加速度和线速度、角速度的关系；14.能够运用向心加速度公式求解有关问题；15.理解向心力的概念，知道向心力大小与哪些因素有关.理解公式的确切含义，并能用来计算；会根据向心力和牛顿第二定律的知识分析和讨论与圆周运动相关的物理现象； 16.培养学生的分析能力、综合能力和推理能力，明确解决实际问题的思路和方法。 三、知识要点 §5-1 曲线运动 & 运动的合成与分解 一、曲线运动 1.定义：物体运动轨迹是曲线的运动。 2.条件：运动物体所受合力的方向跟它的速度方向不在同一直线上。
P 蜡块的位置 v v x v y 涉及的公式： 2 2y x v v v += x y v v = θtan θ v v 水 v 船 θ d 3.特点：①方向：某点瞬时速度方向就是通过这一点的曲线的切线方向。 ②运动类型：变速运动（速度方向不断变化）。 ③F 合≠0，一定有加速度a 。 ④F 合方向一定指向曲线凹侧。 ⑤F 合可以分解成水平和竖直的两个力。 4.运动描述——蜡块运动 二、运动的合成与分解 1.合运动与分运动的关系：等时性、独立性、等效性、矢量性。 2.互成角度的两个分运动的合运动的判断： ①两个匀速直线运动的合运动仍然是匀速直线运动。 ②速度方向不在同一直线上的两个分运动，一个是匀速直线运动，一个是匀变速直线运动，其合运动是匀变速曲线运动，a 合为分运动的加速度。 ③两初速度为0的匀加速直线运动的合运动仍然是匀加速直线运动。 ④两个初速度不为0的匀加速直线运动的合运动可能是直线运动也可能是曲线运动。当两个分运动的初速度的和速度方向与这两个分运动的和加速度在同一直线上时，合运动是匀变速直线运动，否则即为曲线运动。 三、有关“曲线运动”的两大题型（一）小船过河问题 模型一：过河时间t 最短：模型二：直接位移x 最短：模型三：间 接 位移x 最短： v
必修2 Unit 1 Cultural relics 1. in search of…寻找… Search sb 搜身search for 寻找 search sb. / a place for sth. 搜身/搜查某个地方找某事物 2. could not/never have done 不可能做过某事 3. be used to do sth. 被用来做…The wood will be used to make tables and chairs. be used to doing sth. 习惯于做…He is used to living with the farmers now. used to do sth. 过去常常做…She used to come a lot, but now we seldom see her. 4. make it 达到目的，取得成功 5. in the fancy style 以一种奇特的风格 in style 流行out of style 过时 6. decorate. v. 装饰decoration. n. 装饰decorate sth. with sth. be decorated with sth. 7. survive: v. 生存，存活，经历（事故、灾难后）还活着，幸存，比…长寿 survival: n. 生存，幸存survivor: n. 幸存者 8. by design = on purpose 故意地by chance = by accident 偶然地 9. belong to 属于，是…其中的一员或一部分（无被动，无进行时） In our country, land doesn’t belong to any individual. Belonging to the developing countries, China faces many difficulties. 10. in return 作为报答in return for…作为对…的报答 11. Serve v. 服务service n. 服务serve as 担任，充当 He serves as a waiter here. The box can serve as a table. 12. reception desk 接待处give a warm reception to…热情地接待… 13. have/get sth. done 使…被做 I must have/get my homework finished before going out to play. 14. light: v. 点燃，照亮light up 点（烟），照亮，（使）变亮，（脸等）放光彩 Her eyes lit up with joy. light的过去式和过去分词有两种：lit和lighted，作为动词时二者可通用，但作定语时，只能用lighted. He lit/lighted a candle and handed the lighted candle to me. 15. consider doing sth. 考虑做…. be considered to be…被认为… 16. wonder: v. 想知道，感到惊奇，疑惑n. 奇迹，奇人/事 (It’s) no wonder (that)…难怪…He hasn’t slept at all for three days. No wonder (that) he is worn out. 17. at war 处于战争状态 18. remove：v. ①搬开，拿开，移动②去掉，消除③脱掉④搬家，迁移 His name was removed from the list. 19. furniture: n. 家具（不可数） a piece of furniture = an article of furniture They didn’t buy much furniture before they got married. 20. doubt: v. n. 怀疑，疑惑