一 单项选择题(每题2分，共30分)
1、SQL Server 2005 属于（ C ）数据库系统。
A 、层次模型
B 、网状模型
C 、关系模型
D 、面向对象模型
2、下列选项中（ A ）不是数据库系统的特点。
A 、数据加工
B 、数据共享
C 、减少数据冗余
D 、数据独立性较高
3、关系模型的基本数据结构是（ C ）
A 、树
B 、二级树
C 、二维表格
D 、图
4、关系数据表的关键字可由（ A ）字段组成。
A 、一个
B 、两个
C 、多个
D 、一个或多个 5、保证数据的逻辑独立性需要修改（ C ） A 、模式与内模式 B 、模式/内模式映像 C 、外模式/模式映像 D 、模式与外模式 6、对于关系数据库中关系说法不正确的是（ D ） A 、每一分量是不可再分的数据项 B 、任意两行不能完全相同 C 、行、列次序都可以任意交换 D 、每一列是同一类型的数据，可以取自不同的值域 7、下面哪个不是SQL Server 数据库的系统数据类型（ C ） A 、 int 、smallint B 、 char 、varchar C 、 String 、char D 、 datetime 、int 8、数据库的3级结构从内到外的三个层次是( B ) A 、外模式、模式、内模式 B 、内模式、模式、外模式 C 、模式、外模式、内模式 D 、内模式、外模式、模式 9、关系数据模型( D ) A 、只能表示实体间的1:1联系 B 、只能表示实体间的1:n 联系 C 、只能表示实体间的m:n 联系 D 、可以表示实体间的上述3种关系 10、下列叙述正确的是（ D ） A 、在企业管理器中可停止 SQL Server 服务 B 、在企业管理器中可暂停 SQL Server 服务 C 、在企业管理器中可启动 SQL Server 服务 D 、都正确 11、SQL 中，下列涉及空值的操作，不正确的语句是（ C ）。 A 、AG
E IS NULL B 、AGE IS NOT NULL C 、AGE = NULL D 、NOT (AGE IS NULL) 12、下列叙述错误的是（ C ）。 A 、ALTER TABLE 语句可以添加字段 B 、ALTER TABLE 语句可以删除字段
C 、ALTER TABLE 语句可以修改字段名称
D 、ALTER TABL
E 语句可以修改字段数据类型
13、以下有关视图的说法不正确的是（ B ）
A 、视图是从一张或多张表导出的虚拟表
B 、视图是一张虚拟表，所以数据库没有存放视图的定义
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C、对视图所进行的数据操作相当于对其基表进行操作
D、建立视图最主要的目的是方便用户查询
14、下列执行数据的删除语句在运行时不会产生错误信息的选项是（ B ）
A、Delete * From A Where B = '6'
B、Delete From A Where B = '6'
C、Delete A Where B = '6'
D、Delete A Set B = '6'
15、关于子查询的描述不正确的是（ B ）
A、使用IN（或NOT IN）的子查询返回的查询结果是一列零值或更多值。子查
询返回结果之后，外部查询可以使用这些结果。
B、子查询可由一个比较运算符引入。比较运算符可以是=、<>、>、<、>=、<=、!>、!<
等。
C、使用EXISTS（或NOT EXISTS）关键字引入一个子查询时，就相当于进行
一次存在测试。子查询产生查询结果集。
D、使用EXISTS（或NOT EXISTS）关键字引入一个子查询时，子查询实际上
不产生任何数据；它只返回TRUE或FALSE值。
二、填空题（10*2=20分）
1、数据库系统中实现各种数据管理功能的核心软件称为数据库管理系统。
2、如果F是表R的一个或一组属性(不是该表的主键)，若F的值引用表S主键
的值，则称F是表R的外键。
3、在WHERE子句中使用IN 子句可以取代多个OR运算符。
4、用ORDER BY来进行查询时，其排序方式有ASC和DESC 。
5、数据操纵语言（DML）包括SELECT、INSERT 、UPDATE、DELETE
四种类型。
6、SELECT查询时，如果需要去掉查询结果中的重复行，应使用 DISTINCT 关键字。
7、删除数据库stu的语句是 DROP DATABASE stu 。
8、在关系数据模型中，二维表的列称为属性，二维表的行称为记录或元组。
9、逻辑数据模型应包含数据结构、数据操作和数据完整性约束三个部分。
10、在WHERE子句中使用的LIKE子句有两种通配符，—（下划线）
表示任意单个字符。
三、数据库设计题（15分）
设有一个图书出版社销售管理系统，其中涉及的数据如下：
图书：书号、书名、作者姓名；
出版社：编号、名称、地址、联系电话；
书店：书店号、书店名称、地址；
其中，每一种图书只能由一家出版社负责出版印刷，但可由多家书店销售；
每家书店可以销售各种图书。请完成如下题目：
1、画出这个图书出版社销售管理系统的ER图（6分）
2、将以上的ER图转成关系模式。（9分）
图书（书号，书名，作者姓名）
书店（书店号，书店名称，地址）
销售（书号，书店号）
图书（书号，书名，作者姓名）
出版社（编号，名称，地址，联系电话）
印刷（书号，编号）
四、SQL语言题（35分，第1小题5分，2~11题都为3分）
现数据库已创建以下3个表，
图书：书号（定长字符串，10）、书名（定长字符串，20）、作者姓名书名（定长字符串，20）；其属性值都为非空.
书店：书店号、书店名称、地址；其属性类型都为字符型
销售：书店号（定长字符串，8），书号（定长字符串，10），销售日期（日期时间），金额（货币）；主键（书店号，书号），外键（书店号，书号）。
请使用SQL语言实现以下操作：
1、SQL语言建立图书表。
create table 图书
（书号char(10) not null,
书名char(20) not null,
作者姓名char(20) not null,
primary key(书号) )；
2、在表“销售”中插入一条记录，书店号为“20010016”、书号为“2009052035”、
销售日期为“2009-2-9”，金额为38。
INSERT INTO 销售
V alues(‘20010016’,’2009052035’,’2009-2-9’,38)
3、在表“图书”中增加日期时间型的“出版日期”属性。
ALTER TABLE 图书
ADD 出版日期DATETIME
4、在表“书店”中，将书店号“20010016”的地址改为“泉州市”。UPDATE 书店
SET 地址=’泉州市’
WHERE 书店号=’20010016’
5、从“销售”表中检索尚未填写金额的“书号”和“销售日期”。SELECT 书号，销售日期
FROM 销售
WHERE 金额IS NULL
6、将“销售”表中的记录，先按“销售日期”从小到大排序，再按“金额”
从高到低排序。
SELECT *
FROM 销售
ORDER BY 销售日期，金额DESC
7、从“销售”表中检索“销售日期”介于2009年1月1日至2010年1月1日的“书号”和“金额”。
. SELECT 书号，金额
FROM 销售
WHERE 销售日期BETWEEN ‘2009-1-1’ AND ‘2010-1-1’
8、从“销售”表中检索书号以“2009”开头的“书号”和“销售日期”。SELECT 书号，销售日期
FROM 销售
WHERE 书号LIKE ‘2009%’
9、从“销售”表中检索书店号为“20010016”，且金额不大于50的“书号”。SELECT 书号FROM 销售
WHERE 书店号=’20010016’AND 金额<=50
10、查询“销售”表中各种图书的销售总量。
SELECT 书号，COUNT（*）
FROM 销售
GROUP BY 书号
11、查询这个图书销售管理系统中书店名为“刺桐花”，书名为“当下的力量”的销售情况。
SELECT 书店名，书名，销售日期，金额
FROM 销售，图书，书店
WHERE 销售.书号=图书.书号AND 销售.书店号=书店.书店号
AND 书名=’当下的力量’AND 书店名=’刺桐花’
初中英语中考单项选择题专项训练250题（附答案） ( ) is ____used and ______ people are interested in it. A wide, many more B. widely, a lot more C. wide, more D. widely, much more ( )2、---- What would you like to drink ---- It doesn’t matter. ________ will do . A. Nothing B. Everything C. Something D. Anything ( )3、This question is very difficult . _______ people can understand it. A. Little B. A few C. Few D. A little ( )4.、After entering the WTO, _______ foreigners will come to our country for business. A. some B. fewer C. all D. more ( )5、---- The exam was very easy, wasn’t it ---- Yes, but I don’t think _______ could pass it. A. somebody B. any body C. nobody D. everybody ( )6、The population of Shanghai is larger than __________ of Hangzhou. A. one B. it C. what D. that ( )7、There is only _______ walk from my home to school. A. five minutes B. five minutes’ C. five minute D. fifth minute’s ( )8、Wang Qiang is a _________ boy. A. five-year-old B. five year old C. five-years-old D. five years old ( )9、The boy was born______ the night of May 20,1999. A. at B. on C. in D. doing ( )10、I’ve been here ___ 3 o’clock. That means I have stayed here ___ an hour and a half. A. at ;since B. at; for C. since; for D. since; since ( )11、English is as _________ as Chinese. You should learn it well. A. important B. more important C. the most important D. much more important ( )12、We’ve never seen _________ flower before. A. such a beautiful B. such beautiful C. so a beautiful D. so beautiful ( )13、You must wear glasses. They can keep your eyes ________. A. save B. safe C. safely D. to save ( )14、Would you please speak _______ I still can’t follow you. A. slow B. much slow C. much slowly D. more slowly ( )15、---- What was the weather like yesterday ---- It was terrible. It rained _______. People could _______ go out. A. hard; hard B. hardly; hard C. hardly; hardly D. hard; hardly ( )16. There are few _______ in the fridge. Let’s go and buy some peas, carrots and cabbages. A. vegetables B. fruit C. meat D. eggs ( )17. This room is __________. A. B ill and David’s B. Bill’s and David’s C. Bills and David’s D. Bill and David
英语单项选择经典真题演练 例题1. Ann is so careful that she always goes over her exercises to ______there are no mistakes. A. look for B. make sure C. find out D. think about [解析]make sure是固定词组，意思是“确信”，她检查自己作业的目的是确信不犯错误。 例题2. ——Which of the two English dictionaries will you buy ？ —— I‘ll buy ______ of them，so I can give one to my friend，Hellen. A. either B. neither C. all D. both [解析]选D.从so 引导的结果状语从句可判断一个字典给自己，另一个给朋友Hellen，因此可知买两本英语字典，其中both表示“两者都”。 例题3. He ______ two thousand trees since 1985. A. plants B. planted C. will plant D. has planted [解析]since意为自从……以来，应与现在完成式连用，故选D.
______ you free last night？ A. Were B. Was C. Are D. Do [解析]last night应于过去式连用。因为它表示具体的过去时间。又因主语为you，故选A. 例题5. 词语解释 I‘m so glad to see you. A. sad B. angry C. pleased [解析]glad意为高兴的选项中只有pleased有此意，故选C. An elephant is a large animal. A. big B. tall C. heavy [解析]large意为大的，只有选项A与其意相近，故选A. This shop sells a lot of things. A. little B. many C. some [解析]a lot of的意思是许多的，只有选项B与其相同，故选B. 这3道题的目的为选意义相同或相近的词，这就要求同学们在学习英语的过程中注意这类词的相互联系。学习生词时力求用过去学的词或短语来解释。
初中英语较难单项选择题100例附答案解析 ( ) 1. ________ it is today! A. What fine weather B. What a fine weather C. How a fine weather D. How fine a weather ( ) 2. Which is the way to the __________? A. shoe factory B. shoes factory C. shoe’s factory D. shoes’ factory ( ) 3. This class ________ now. Miss Gao teaches them. A. are studying B. is studying C. be studying D. studying ( ) 4. We will have a _________ holiday after the exam. A. two month B. two-month C. two month’s D. two-months ( ) 5. There is no enough ________ on the corner to put the table. A. place B. room C. floor D. ground ( ) 6. We can have _____ blue sky if we create _____ less polluted world. A. a; a B. a; the C. the; a D. the; the ( ) 7. — Are you ________ American or English? — English.. We are working in Wuhu. A. a B. \ C. the D. an ( ) 8. You like playing basketball, and he likes running, _______? A. don’t you B. doesn’t he C. do you D. does he ( ) 9. —Why not take ____ umbrella w ith the sign “ Made in China”?It is _____ useful umbrella? —What _______ good advice it is! A. an; an; a B. an; a; \ C. a; an; a D. \; an; a ( ) 10. – When shall we meet again next week? -- _______ day is possible. It’s no problem with me. A. Either B. Neither C. Every D. Any ( ) 11. Robert has gone to _________ city and he’ll be back in a week. A. other B. the other C. another D. any other ( ) 12. – A latest magazine, please. - Only one left. Would you like to have ________? A. it B. one C. this D. that ( ) 13. – Which book would you like to borrow? -- ________ of the two books is OK with me. A. Either B. Both C. Any D. None ( ) 14. Mrs. Lee teaches ________ math. We all like her. A. we B. us C. our D. ours ( ) 15. There are many trees on ________ side of the street. A. either B. any C. all D. both ( ) 16.________ is the population of the city? A. How many B. What C. How many people D. How much ( ) 17. —Why don’t we take a little break? —Didn’t we just have _______ ? A. it B .that C. one D. this ( ) 18. The teacher asked the boy many questions,but he only answered___ of them
云南省中考英语单项选择真题汇编 (精选2017-2019年真题+详细解析答案，值得下载) 2019 第一节单项填空(共15小题;每小题1分，满分15分) 从题中所给的A、B、C、D四个选项中选出能填入空白处的最佳选项，并将所选答案 涂到答题卡的相应位置。 21.—The final exam is coming.I hope all is well with you —Thanks. . A.My pleasure B.You，too C.Sounds good D.It's wonderful 22.The earth is often called the ocean planet.Its surface is 70 percent https://www.doczj.com/doc/3c8282745.html,nd B.plants C.animals D.water 23.—sport will you take part in，Peter? —The boys' 800-meter race. A.Where B.When C.Which D.How 24.My mother often says，“Stand tall like the sunflower and be proud who you are.” A.of B.with C.at D.in 25.—Must I wear the school uniform on school days? —.It's one of the school rules. A.It's beautiful B.I don't think so C.I'm afraid so D.It fits you well 26.We' re very about the graduation ceremony next Saturday.We can't wait to be there. A.boring B.bored C.excited D.exciting 27.I Game of Thrones(权力的游戏) with my friends last month.It's amazing. A.watch B.watched C.watches D.have watched 28.—Sorry，Miss Wang.I broke a glass by accident while I was cleaning the table. — .Please be more careful next time. A.It's nothing B.All right C.I know D.Sure 29.—What's up，Lisa? —I have to hand in the report tomorrow，but I can't anything to write.
中考英语100道单项选择题专题训练附答案第1部分 (D)1. He was born in Germany，but he has made China his________. A．family B．address C．house D．home (B)2. It’s cold today.Take your ________with you when you go out. A．knife B．coat C．brush D．key (C)3.—It’s useless to regret what has been done.Don’t make those mistakes again.—I won’t.That’s a(n)________ A．order B．decision C．promise D．agreement (B)4.—Kids often feel better in a happy family. —That’s true.A happy family provides a loving ________ for its children. A．expression B．environment C．encouragement D．development (C)5.—I’m so hungry now. —I think you can eat ________ and two cakes. A．two breads B．two piece of bread C．two pieces of bread D．two pieces of breads (D)6.—The best ________ to come to Yichang is spring. —I think so.The green water and green mountains are unforgettable. A．environment B．journey C．temperature D．season (C)7.Life is like riding a bicycle.To keep your ________，you must keep moving. A．promise B．position C．balance D．ability (C) 8. Some old people need a ________ because they feel lonely. A．gift B．stick C．pet D．watch (C) 9.—Why do you stand a stone monkey in front of the park? —Because it’s the ________of our city.It’s said that the monkeys have ever helped us a lot.
历年高考英语易错题难题好题汇编及解析 Zhicheng Professional Middle School，Sichuan Province Xiong Yunhua 1、Stop making so much noise ____ the neighbor will start complaining. A、or else B、but still C、and then D、so that 选A 。or else意为“要不然，否则”。 2、We hope to go to the beach tomorrow, but we won't go ____ it's raining. A、if B、when C、though D、because 选A 考查连词。根据语境用if引导条件状语从句。 3、——The weather is too cold ____ March this year. ——It was still ____ when I came here years ago. A、for; colder B、in; cold C、in; hot D、for; hotter 选A 本题考查考生运用介词和比较级的能力。For在这里是“就……而言”的意思，而第二个选项要抓住信息词still 在此处的妙用，它是用来修饰比较级的，加上上文的cold，在此处就不难选择colder了。 4、——How much vinegar did you put in the soup ——I'm sorry to say, ____. I forget. A、no B、no one C、nothing D、none 选D 本题考查不定代词的本意区别及其与语境综合运用。此处none指的是not any vinegar，也就是说，此处可以这样理解：I'm sorry to say that I didn't put any vinegar in the soup, because I forgot it. 5、He is only too ready to help others, seldom, ____, refusing them when they turn to him. A、if never B、if ever C、if not D、if any 选B 本题考查考生在语境中灵活运用、辨析短语用法的能力，此处seldom，if ever是一个短语，是“从不，决不”的意思。 6、——What should I wear to attend his wedding party ——Dress ____ you like. A、what B、however C、whatever D、how 选B 本题however you like相当于in whatever way you like，根据语境，不难判断出B为正确答案。 7、——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job ——____ my students have a try A、Shall B、Must C、Will D、May 选A 本题考查情态动词shall在主语是第二、三人称时，作为征求意见的用法。。 8、I'd like to live somewhere ____ the sun shines all year long. A、which B、that C、where D、in which 选C 考查连接词。Where引导地点状语从句。 9、I ____ to go for a walk, but someone called and I couldn't get away.
初中英语单项选择题汇总（附答案） 第一部分初中中考英语单选题真题练习 第一章冠词 真题 1. —What would you like for afternoon tea? (09广州，16) —Tow pieces of bread and cup of coffee, please. A. an; a B. 不填; a C. at; the D. 不填; the 2. old man behind Mary is university teacher. (09广东省，29) A. An; an B. A; the C. The; a D. The; an 3. —How do you go to work? (09深圳，1) —I usually take bus. A. the; a B. /; a C. a; a D. the; / 4. After Lucy and Lily, Tony is now student to win the game in our class. (09佛山，23) A. the third B. a third C. the second 5. —Are you good at playing basketball or playing piano? (08深圳，21) —Both． A. a; a B. the; the C. the; / D. /; the 6. When you make a mistake, don't always make excuse for yourself. (08佛山，29) A. an B. the C. / 7. —Do you like a blue bike for your birthday? (07佛山，31) —But I prefer green one. A. the B. / C. a 8. He is university student and he comes from island in England. (07广东省，26) A. an; an B. an; a C. a; an D. a; a 巩固练习 1.There's 800-metre-long road behind hospital.(09甘肃兰州) A. an; an B. a; a C. an; the D. a; the 2.I really like book you lent me yesterday. (09河北) A. a B. an C. the D. 不填 3.Jimmy bought car yesterday, but it’s used one. (09山东威海) A. a; a B. a; an C. a; the D. the; an 4.What exciting news it is! Is news true? (09山东烟台) A. an; the B. an; a C. /; the D. /; a 5.—I just have cup of milk for breakfast. (09四川成都) —That’s not enough. A. a; a B. the; the C. a; 不填 6.Sandy often takes her dog for walk around the lake after supper. (09江苏南京) A. a B. an C. the D. 不填 7.—Why do you like Mary? (09湖南娄底) —Because she is honest girl. A. a B. an C. the 8. —Who’s young man with long hair? (09江苏宿迁)
专项训练十三动词语态 时间：0.5～1分钟/小题分值：1分/小题 ■ 含语态提示词by ( )1. (xx曲靖)—Do you like the famous basketball star Kobe? —Yes, I really like him. He ________ by many people around the world. A. admire B. admires C. is admired D. is admiring ( )2. (xx湘潭)The telephone ________ by Alexander Graham Bell in 1876. A. was invented B. is invented C. invented ( )3. (xx丹东)With the development of China, Chinese ________ by a large number of people in the world. A. speaks B. is spoken C. speak D. is speaking ( )4. (xx黄石)—Why does the earth look blue in space? —Because most of the earth's surface ________ by ocean. A. covers B. is covered C. cover D. are covered ( )5. (xx遵义)—Why the restaurant ________ to close by government? —Because of its high prices on food. Businessmen must be honest, you know. A. will be asked B. was asked C. is asked ( )6. (xx株洲)Artemisinin ________ by Tu Youyou, a great Chinese scientist. A. was invented B. invented C. has invented ■无语态提示词 ( )7. (xx河北)Emily is glad that she________ for her honesty at that meeting. A. praises B. praised C. is praised D. was praised ( )8. (xx广东)He Jiang ________ to give a speech at the graduation ceremony at Harvard University last month. A. invites B. invited C. is invited D. was invited ( )9. (xx成都)You are not supposed to go to a family party unless you ________ to in the US. A. are not invited B. are invited C. will be invited ( )10. (xx青岛)Children should ________ to be honest from a young age. A. educate B. be educated C. punish D. be punished ( )11. (xx黄冈)—Tom is always careless with his schoolwork. Could you help him? —No problem! I think he________ to think twice before starting. A. should be told B. can tell C. should tell D. can be telling ( )12. (xx临沂)Now all Chinese couples ________ to have two children. A. allow B. allowed C. are allowed D. were allowed ( )13. (xx扬州)—Have you finished your report on green life? —Not yet. I'll make it if I ________ another two days. A. give B. am given
初中英语单项选择题汇总题(附答案)
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初中英语单项选择题汇总（附答案） 第一部分初中中考英语单选题真题练习 第一章冠词 真题 1. —What would you like for afternoon tea? (09广州，16) —Tow pieces of bread and cup of coffee, please. A. an; a B. 不填; a C. at; the D. 不填; the 2. old man behind Mary is university teacher. (09广东省，29) A. An; an B. A; the C. The; a D. The; an 3. —How do you go to work? (09深圳，1) —I usually take bus. A. the; a B. /; a C. a; a D. the; / 4. After Lucy and Lily, Tony is now student to win the game in our class. (09佛山，23) A. the third B. a third C. the second 5. —Are you good at playing basketball or playing piano? (08深圳，21) —Both． A. a; a B. the; the C. the; / D. /; the 6. When you make a mistake, don't always make excuse for yourself. (08佛山， 29) A. an B. the C. / 7. —Do you like a blue bike for your birthday? (07佛山，31) —But I prefer green one. A. the B. / C. a 8. He is university student and he comes from island in England. (07广东省，26) A. an; an B. an; a C. a; an D. a; a 巩固练习 1.There's 800-metre-long road behind hospital. (09甘肃兰州) A. an; an B. a; a C. an; the D. a; the 2.I really like book you lent me yesterday. (09河北) A. a B. an C. the D. 不填 3.Jimmy bought car yesterday, but it’s used one. (09山东威海) A. a; a B. a; an C. a; the D. the; an 4.What exciting news it is! Is news true? (09山东烟台) A. an; the B. an; a C. /; the D. /; a 5.—I just have cup of milk for breakfast. (09四川成都) —That’s not enough. A. a; a B. the; the C. a; 不填 6.Sandy often takes her dog for walk around the lake after supper. (09江苏南京)
《药剂学》单项选择题习题及答案 题目:药剂学概念正确的表述是 答案a 研究药物制剂的处方理论、制备工艺和合理应用的综合性技术科学 答案b 研究药物制剂的基本理论、处方设计、制备工艺和合理应用的综合性技术科学 答案c 研究药物制剂的处方设计、基本理论和应用的技术科学 答案d 研究药物制剂的处方设计、基本理论和应用的科学 正确答案:b 题目:中国药典中关于筛号的叙述,哪一个是正确的( )。 答案a 筛号是以每一英寸筛目表示 答案b 一号筛孔最大,九号筛孔最小 答案c 最大筛孔为十号筛 答案d 二号筛相当于工业200目筛 正解答案:b 题目:下述中哪相不是影响粉体流动性的因素( )。 答案a 粒子的大小及分布 答案b 含湿量 答案c 加入其他成分 答案d 润湿剂 正确答案:d 题目:用包括粉体本身孔隙及粒子间孔隙在内的体积计算的密度为( )。 答案a 堆密度 答案b 真密度 答案c 粒密度 答案d 高压密度 正确答案:b 题目:下列关于胶囊剂的叙述哪一条不正确( )。 答案a 吸收好,生物利用度高 答案b 可提高药物的稳定性 答案c 可避免肝的首过效应 答案d 可掩盖药物的不良嗅味 正确答案:c 题目:配制含毒剧药物散剂时,为使其均匀混合应采用( )。 答案a 过筛法 答案b 振摇法 答案c 搅拌法 答案d 等量递增法 正确答案:d 题目:药物剂量为0.01-0.1g时可配成( )。 答案a.1:10倍散 答案b.1:100倍散 答案c.1:5倍散 答案d.1:1000倍散 正确答案:a
题目:不能制成胶囊剂的药物是( )。 答案a 牡荆油 答案b 芸香油乳剂 答案c 维生素ad 答案d 对乙酰氨基酚 正确答案:b 题目:可用于制备缓、控释片剂的辅料是( )。 答案a 微晶纤维素 答案b 乙基纤维素 答案c 乳糖 答案d 硬脂酸镁 正确答案:b 题目:下列哪项是常用防腐剂( )? 答案a 氯化钠 答案b 苯甲酸钠 答案c 氢氧化钠 答案d 亚硫酸钠 正确答案:b 题目:溶液剂制备工艺过程为( )。 答案a 药物的称量→溶解→滤过→灌封→灭菌→质量检查→包装 答案b 药物的称量→溶解→滤过→质量检查→包装 答案c 药物的称量→溶解→滤过→灭菌→质量检查→包装 答案d 药物的称量→溶解→灭菌→滤过→质量检查→包装 正确答案:b 题目:单糖浆含糖量(g/ml)为多少( )? 答案a 85% 答案b 67% 答案c 64.7% 答案d 100% 正确答案:a 题目:乳剂的制备方法中水相加至含乳化剂的油相中的方法( )。 答案a 手工法 答案b 干胶法 答案c 湿胶法 答案d 直接混合法 正确答案:b 题目:下列哪种物质不能作混悬剂的助悬剂( )? 答案a 西黄蓍胶 答案b 海藻酸钠 答案c 硬脂酸钠 答案d 羧甲基纤维素 正确答案:c 题目:根据stokes定律,混悬微粒沉降速度与下列哪个因素成正比( )。答案a 混悬微粒半径
（安徽）1 -- Do you think it's a good idea to make friends with your students? -- , I do. I think it's a great idea. A. Really B. Obviously C. Actually D. Generally 答案：C （福建）2. It seems that living green is easy and affordable. A small step masks a big difference. A. exactly B. fortunately C. surprisingly D. hardly 【答案】C 考查副词。exactly：准确地；fortunately：幸运地；surprisingly：惊讶地，出乎意料地；hardly：几乎不。题干意思是：似乎保护环境是出乎意料的简单可行，小小的行动能带来很大的不同。选C。 （湖北）3. As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel. A. primary B. alternative C. instant D. unique 【答案】B 考查形容词。既然石油和煤都越来越少，人们只好使用一些其它可替代这些燃料的东西，alternative 有“可选择的，可替代的”之意，符合句意。primary“首要的，初期的”，instant“立即的，迅速的”，unique“独特的”。 （湖北）4. The questionnaire takes ______ ten to fifteen minutes to complete and can be used along with the assessment interview. A. mainly B. punctually C. approximately D. precisely 【答案】C 考查副词。这里意思是“问卷大约需要10至15分钟完成”，应选择approximately “大约地”。mainly“主要地”，punctually“准时地”，precisely“精确地”。 （湖南）5．I can be a teacher. I’m not a very patient person. A. seldom B. ever C. never D. always 【答案】C 句意为：我绝不会成为一名教师。因为我不是一个很有耐心的人。seldom表示“很少”；ever表示“永远”用在肯定句中；never表示“绝不，从来没有”always 表示“总是”。 （江西）6. Frank put the mediocre in the top drawer to make sure it would not be_______ to the kids. A. accessible B. relative C. acceptable D. sensitive 【答案】A考查形容词的辨析。Be accessible to 为……能够接近；be relative to 和……有关系；be acceptable to 为……所接受；be sensitive to 对……敏感, 易接受。 （海南）7. How much she looked without her glasses! A. well B. good C. best D. better 【答案】D 考查系动词后跟形容词作表语。句意为：没有眼镜她看的多么好？与戴眼镜形成对比。 （四川）8. My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive . A. as B. so C. too D. very 【答案】A 考查倍数的表示方法。该题采用了“倍数+as+adj./adv+as ”这一结构，所以答案为A。 （天津）9. It was a nice house, but _______ too small for a family of live. A. rarely B. fairly C. rather D. pretty
中考英语总复习：单项选择训练汇萃370题 中考总复习单项选择训练之A词类 ( ) 1. --Have you had ________ breakfast yet? -- No, not yet. A./ B. a C. the D. an ( )2. Let's look at the bag. Can you see _____“s”on the corner of_____ bag? A. a, a B. a, the C. an, a D. an, the ( )3. There is egg on the table, egg is for you. A. a, A B. an, An C. an, The D. the, An ( )4. Our teacher told us that _______ moon moves around ______ earth, and________ earth circles________ sun. A. a, a, a, a B. an, an, an, an C. the, the, the, the D. /, /, /, / ( )5. At that time, he was studying in_______ university. And it was a famous one. A./ B. the C. a , D. an ( )6. _________ mother is a worker. A. Mary and Mike's B . Mary's and Mike's C. Mary's and Mike D. Mary and Mike ( )7.He has searched the ________ or 2 hours for the information about Yang Liwei. A. mouse B. keyboard C. Internet D. computer ( )8.The room is too small, there' s no enough ________for another desk. A. place B. room C. floor D. ground ( )9.There may be something wrong with her ______,she can' t see things clearly. A. eyes B. ears C. mouth D. nose ( )10.-- Which room shall we live in tonight? – In __________. A. the Room 406 B. Room 406 C. the 406 Room D. 406 Room ( )11. We'll be away for two weeks because we'll have a ___________. A. two-weeks holiday B. two weeks' holidays C. two- week holiday D. two-weeks' holiday ( )12. The number of the students in our grade ________about six _______,of them are girls. A. are, hundreds, two- thirds B. is, hundred, two- third C. is, hundred, two thirds. D. are, hundreds, two third ( )13. ___________ travellers come to visit our city every year. A. Hundred of B. Hundreds of C. Five hundreds D. Hundred ( )14. He spent ________ yuan on the new computer. A. five thousand, three hundred and forty B. five thousand, three hundred and forties C. five thousands, three hundred and forty. D. five thousands, hundreds and forty ( )15. My home is about ________ from my school. A. 15 minutes B. 10 minute's ride C. 20 minutes by bike D. 15- minute's on foot. ( ) 16. We are doing much better ______ English _______ our teacher's help. A. in, at B. at, in C. in, with D. with, with ( ) 17. The food _______ my hometown is quite different ______that there. A. in, like B. to, from C. from, to D. in, from ( ) 18. Before 1992, there was no airline _________ the two cities. A. along B. in C. between D. among ( ) 19. ________the new computer, travellers at the offices of CAAC can now buy their air tickets much faster. A. Because B. Thanks for C. Thanks to D. Since ( )20. He had _________ much work to do that he couldn't go out. A. so B. such C. as D. or ( )21. Tom has been in the factory _________he left school. A. when B. since C. as soon as D. whether ( )22. The nurse doesn't feel well today, _________ she still works very hard. A. but B. and C. or D. when ( ) 23. _______ my mother ________ my sister watches TV plays these days. A. Either, nor B. Both, and C. Neither, or D. Neither, nor ( ) 24. He walked ________ fast for us ________catch up with. A. so, that B. such, that C. enough, to D. too, to ( ) 25. Lucy knew nothing about it ________ her sister told her. A. because B. until C. if D. since ( ) 26. I don't think it very expensive to buy a family computer here. -- Really? I'll buy _______ next week. A. it B. this C. one D. mine