大学英语词汇练习详解 Test 3

大学英语词汇练习详解Test 3

Test 3

1.This watch is _______ by hand，not by machine，so it is very expensive.

A.flat

B.coined

C.bored

D.manufactured

这块表是手工制作的，不是机械制造的，因此非常昂贵。

答案：D

A flat adj. 平的; 单调的; 不景气的; 干脆的;

n. 平地; 公寓; 平面;

B coin n. 硬币; 金属钱币; [

C bored adj. 无聊的，无趣的，烦人的;

D manufacture v生产，制造，虚构

e.g. The factory is now trying to manufacture a new model. 这家工厂现正试制一种新产品。

2.These two horses look so much alike that we can not _______ one from the other.

A.differ

B.detail

C.distinguish

D.defeat

这两匹马如此相像，我们都难以区别。

答案C

A. Differ v vi. 不同，相异;（from)

Adj. different, 搭配：be different from 与...不同

N difference

B detail n 详情，细节搭配：in detail 详细的

C distinguish v vt. 区分，辨别，分清;

Distinguished adj adj. 卓越的; 著名的; 受人尊敬的; 显得重要的;

搭配：be distinguished from 与....不同，

Distinguished guests 贵宾

D defeat vt. 击败，战胜; 挫败;

3.The president of that company was very calm during the political _______.

A.failure

B.fashion

C.proceed

D.crisis

那个公司的老总在政治危机中非常镇定。

答案：D

A failure n 失败，不及格，破产v fail 搭配fail to 没能，不能

B fashion n. 时尚，时装; 时装领域，时尚界; 方式，方法;

C proceed vi. 进行; 前进; （沿特定路线）行进; （尤指打断后）继续说;

e.g. We now proceed to the next item on the agenda. 我们现在着手讨论下一项议题.

e.g. He outlined his plans and then proceeded to explain them in more detail.

他简单介绍了他的计划，接着又进行了较详细的解释。

D crisis n 危机，危难时刻复数形式crises

4._______ is usually the chief enemy of the camera lens.

A.Occasion

B.vain

C.Moisture

D.Deck

潮湿是相机镜片的主要危害。

答案 C

A occasion n 机会场合，与介词on连用

e.g. on this/that occasion 这/ 那次I've met him on several occasions. 我曾见过他几次。

B vain adj. 徒劳的; 自负的; 无结果的; 无用的;

搭配in vain; 白费地; 徒劳无益地; 无效果的; 无用的;

e.g. They tried in vain to persuade her to go. 他们极力劝说她去，但枉费了一番口舌。

C moisture n 水分; 湿气; 潮湿; 降雨量

D deck 甲板，舱板; [建]平屋顶，

5.The _______ left the ship after sixty hours of hard struggle.

A.dash

B.cell

C.crew

D.gay

6.On our way to Beijing，we visited Xi’an，a city of two million _______，and stayed there for

two days.

A. insects

B.human

C.inhabitants

D.flights

在回北京的路上，我们参观了西安，一个有二百万人口的城市，在那里呆了两天。

答案 C

A insect 昆虫

B human n. 人，人类; adj. 人的; 有人性的human being 人类

C inhabitant n. 居民，住户; （栖息在某地区的）动物;

D flight 航班

7.One of the main reasons for air pollution is that many cars _______ smoke into the atmosphere.

A.gather

B.hire

C.discharge

D.escape

空气污染的主要原因之一就是很多车向大气层排放烟雾。

答案： C

A gather v vt. 收集; 聚集，搜集; 收紧，收缩; 采集;

e.g. I suggest we gather enough firewood to last the night.

我建议大家捡足够多的木柴来撑过这一晚。

e.g. People would gather from near and far. 人们会从四面八方聚到一起。

B hire 聘用，雇佣，

C discharge vt.& vi. 放出; 流出; 开枪; 发射;

After his discharge from the school, he went to Hong Kong. 他离开学校后去了香港.

He was discharged from the army following his injury. 他受伤后就退伍了。

D escape v. 逃脱; 逃离; 躲过; 泄露;

No detail was too small to escape her attention. 再小的细节都逃不过她的眼睛。

She was lucky to escape punishment. 她逃脱惩罚真是幸运。

8.Don’t forget to _______ to let us know you arrived safely.

A.cable

B.cage

C.border

D.bay

你安全到达之后别忘了发电报让我们知道。

答案 A

A cable n 缆绳，绳索; [电学]电缆

vi. 拍发电报;

B cage n. 笼子; 牢房; 升降车

C border n. 边; 镶边; 包边; 边界;

D bay n. 湾，海湾; 犬吠声;

9.She gave him a _______ that she could not come to his party.

A.mistress

B.shoot

C.neck

D.hint

她暗示他，她不能参加他的晚会。

答案 D

A mistress n. 主妇，女主人

B shoot vi. 拍摄; 射击; 发芽;

C neck n. 颈，脖子; 衣领; 海峡;

D hint 暗示，提示

10.When the temperature is below zero，water will _______.

A.freeze

B.virtue

C.sink

D.seek

温度达到零度时，水就会结冰。

答案 A

A freeze 结冰，冻僵，冷藏

B virtue 美德，长处，

e.g. He had won the game by virtue of his strength of will. 他靠意志力赢了这场比赛.

搭配by virtue of 凭借

C sink 淹没; 下落; 退去

过去式sank , 过去分词sunk

D seek vt. 寻找，探寻; 追求

过去式sought 过去分词sought

11. 1，3，5，7 and 9 are _______ numbers and 2，4，6 and 8 are not.

A.odd

B.even

C.extra

D.nut

1、3、5、7、9为奇数，

2、4、6、8不是。

答案：A

A. odd adj. 古怪的; 奇数的; 剩余的; 临时的;

1, 3, 5 and 7 are odd numbers. 1、3、5和7是奇数。

反义词：even

An even number can be divided exactly by the number two.

偶数可以分为数2。

B even adv. 甚至; 更加; 即使; 恰巧在…时候; adj. 公平的; 平坦的; 偶数的; 平均的;

vt. 使平坦; 使相等; vi. 变平; 成为相等;

Even if , even thought 虽然，尽管

C extra 额外的，附加的，

D nut n. 螺母，螺帽; 坚果

He's a tough nut to crack. 他是个很难说服的人.

12.He always _______ to everything and never agrees with anybody.

A.projects

B.gives

C.folds

D.objects

他什么事情都不同意，与任何人的观点都不一样。

答案 D

A project vt. 放映; 计划; 发射; 展现，使突出; n 工程，计划，项目

e.g. The total cost of the project would be more than $240 million.

该项目的总成本会超过2.4亿美元。

B give 给

C fold 折叠合拢

D object 目标，宾语，反对

13.I was born in Japan，but I have _______ Chinese citizenship.

A.retained

B.represented

C.reported

D.required

我生在日本，但是我持有中国国籍。

答案 A

A retain 保持；持有；保留；继续拥有

e.g. The house retains much of its original charm. 这所房子保留了许多原有的魅力。

E.g. We shall retain our rights. 我们将保留我们的权利.

B represent 表现，象征; 代表

The union represents over 200 000 teachers. 工会代表着20余万名教师的利益。

Representative 代表（人）

C report 报告

D require 要求

14.He made a rough _______ of the first floor of that building，showing us where his office was

located.

A.painting

B.illustration

C.drawing

D.sketch

他对那栋楼的第一层画了个粗略的草图，告诉我们他的办公室的位置

答案 D

A painting n. 绘画; 油画; 上色，着色; 颜料，油漆;

B illustration n. 说明; 例证; 图解; 插图;

C drawing n. 绘画; 制图; 图画; 图样;

D sketch n. 草图; 素描; 梗概;

15.He is deeply _______ in the trouble of his company.

A. involved

B.occurred

C.packed

D.represented

他深陷公司麻烦

答案 A

A involved be involved in 卷入，参与，涉及

e.g. She became involved in social and relief work among the refugees.

她参加了帮助难民的社会救济工作。

B occurred 发生，出现，闪现

C pack n& v 包，打包package 包裹

D represent 代表

16.He always leaves _______ for all the words he does not know in his translation.

A.blankets

B.blind

C.black

D.blanks

翻译时，他把不认识的单词就留个空。

答案 D

A blanket 毛毯，毯子，覆盖

B blind 失眠的，盲目的，瞎的

C black 黑色的

D blank 空白

17.Smoking and drinking are regarded as _______ in some countries because they do no good to

health.

A.vices

B.habits

C.customs

D.copies

在有些国家，抽烟，喝酒被认为是一种恶习，因为他们对身体没好处。

答案：A

A vice n. 恶习; 不道德行为; （肉体的）缺陷，疾病; （文体等的）缺点，瑕疵;

B habit 个人习惯

C custom 一个地方的习俗，风俗习惯

D copy 一本，一份，拷贝，复制

18.The news has not yet been officially _______ by the government.

A.struck

B.confirmed

C.founded

D.pointed

这条消息没有得到政府的正式确认。

答案： B

A struck v. 打（strike的过去式和过去分词）; 罢工，击打; 攻击; 侵袭;

E.g. Several hundred workers struck in sympathy with their colleagues.

几百名工人罢工以声援他们的同事。

e.g. It is impossible to say who struck the fatal blow.

很难判断是谁给了致命的一击。

B confirm vt. [法]确认，批准; 证实; 使有效; 使巩固;

Confirmation n

e.g. Earlier reports were unable to confirm that there were any survivors.

早先的报道无法证实是否有幸存者。

C found 创建，建立，创办

Founder 创办者

D point n. 点; 要点; 得分; 标点;

19.These are two _______ issues，but people often take them as one.

A.ruin

B.nest

C.distinct

D.castle

有两个问题，但人们常常把他们当成一个。

答案 C

A ruin n. 毁灭，灭亡; 废墟，遗迹

B nest vt. 筑巢; 嵌套;

C distinct adj. 明显的，清楚的; 卓越的，不寻常的; 有区别的

D castle 城堡，堡垒

20.What _______ did you watch on television last night?

A.wave

B.frequency

C.channel

D.tunnel

昨晚你看电视是看的哪个频道？

答案C

A wave n. 波浪，波动; 挥手;

B frequency n. 频繁性; [数][物]频率，

C channel 频道，波道; 渠道; 途径; 海峡

D tunnel 隧道; 地道

21.The Bushmen are _______ hunters even though their weapons are primitive.

A.favorite

B.original

C.sufficient

D.expert

布希曼人是打猎能手，虽然他们的武器非常原始。

答案：D

A favorite 最爱，最喜欢的

B original 原来的，起初的，

C sufficient adj. 足够的; 充足的; 充分的;

D expert 专家，能手

22.Before he left the White House，the president made a _______ speech.

A.quarrel

B.symbol

C.automobile

D.farewell

离开白宫之前，总统作了个告别演讲。

答案 D

A quarrel 争吵口角

B symbol 象征，标志，

C automobile 汽车

D farewell 告别，欢送; 欢送会; 告别辞;

23.The local government has begun a _______ in this city to cut down the traffic accidents.

A.protest

B.punishment

C.protection

D.project

当地政府已经启动一个计划来减少交通事故。

答案D

A protest 抗议，反对

B punishment 惩罚

C protection 保护

D project 工程，项目，计划，投射放映

24.It is highly _______ that he come here tomorrow to join us.

A.desirable

B.doubtful

C.good

D.wanted

他明天来此加入我们，这是相当明智的。

答案A

A desirable adj. 令人满意的; 值得拥有的; 可取的; 性感的;

e.g. It is desirable that interest rates should be reduced. 利率下调是可取的。

E.g. The house has many desirable features. 这栋房子有许多吸引人的特点

B doubtful adj. 难以预测的; 未定局的; 怀疑的，拿不准的; 不明不白;

e.g. Rose was doubtful about the whole idea. 罗斯对整个设想持怀疑态度。

C good 好

D wanted adj. 受通缉的; 被征求的;

e.g. He is one of the most wanted criminals in Europe. 他是欧洲最重要的通缉犯之一。

25.A new idea began to _______ from his mind when he was on his way back home.

A.emerge

B.output

C.starve

D.tend

回家的路上，他有了个新的想法。

答案 A

A emerge vi. 出现，浮现; 暴露; 摆脱;

e.g. The swimmer emerged from the lake. 游泳者从湖水中浮出来。

e.g. No new evidence emerged during the investigation. 调查过程中未发现新证据。

B output 输出，产量

C starve 挨饿

D tend 倾向于

26.If you just stay in this city for few days，we can give you a

_______ library card and you can still make use of the books in the city library.

A.terminal

B.temporary

C.regular

D.chamber

如果你在该市待几天，我们可以给你办一个临时借书卡，你可以利用市里的图书馆。

答案 B

A terminal adj. 末期的; 晚期的; 定期的; 末端的;

B temporary 临时的，暂时的

C regular 定期的，有规律的

D chamber n. 室，卧室，会客室; 内庭;

27.When you buy anything expensive，never forget to ask for the _______ from the shop.

A.render

B.trust

C.receipt

D.tale

如果你购买昂贵的物品，别忘了向商店索要收据。

答案：C

A render v. 使成为; 递交; 给予; 表达;

e.g. He had a chance to render some service to his country.

他有了一个为国服务的机会。

e.g. She needed him to hear her out and render advice. 她需要他把话听完并提出建议.

E.g. Hundreds of people were rendered homeless by the earthquake.

成百上千的人因为地震而无家可归。

e.g. The committee was asked to render a report on the housing situation.

要求委员会提交一份有关住房情况的报告。

B trust n. 信任; 信托; 照管; 受托基金机构;

C receipt 收据，发票; 收入;

D tale n. 传说，传言;

28.These programs are designed for those young people who want to _______ higher education but

do not have enough time to go to university.

A. insure

B.purse

C.purchase

D.pursue

这些课程主要是为那些想上大学又没有充足的时间的年轻人设计的。

答案 D

A insure vt. 保证; 确保; 为…保险; 投保;

Insurance n

B purse 钱包，财力

C purchase 采购，购买

D pursue 追求，追寻pursuit n in pursuit of 追求

29.In order to write his paper，he borrowed a lot of _______ books from the school library.

A. implication

B.reference

C.sample

D.saucer

为了写好论文，他从学校图书馆借了很多参考书。

答案 B

A implication n. 含义; 含蓄，含意，言外之意;

Imply v

B reference 参考，查阅，提及

C sample n. 样品，华样; 标本，榜样

D saucer n. 茶杯托，茶碟;

30.When he opened the door，he used too much force and _______ the key.

A.trailed

B.varied

C.twisted

D.wicked

开门的时候，他用力过大，把钥匙弄弯了。

答案 C

A trail vt. 跟踪，追踪; 拖曳：让…拖或飘扬在后面; 拖沓而行; 跟在…后面;

e.g. The police were hot on his trail. 警方正全力追捕他。

a trail of blood 一连串血迹

B vary 变化，不同various adj 各种各样的

Variety n 多样性

C twist . 扭成一束; 搓，捻; 绕，卷; 连结，交结;

D wicked adj. 邪恶的; 缺德的; 淘气的，顽皮的; 恶劣的;

e.g. Let everyone know all the wicked things she has done.

把她干的坏事给大家抖搂抖搂.

The wicked must be wiped out. 恶人必须除掉.

31.When heated，water changes into _______.

A.solid

B.vapor

C.liquid

D.air

加热后，水就会变成蒸汽。

答案 B

A solid 固体的，实心的，结实的，坚固的

B vapor 蒸汽水汽

C liquid 液体的，液态的，流动的

D air 空气

32.What she achieved in her research might _______ what she had been expecting.

A.exceed

B.exclaim

C.excess

D.extend

她在研究中所取得的成就可能超过她的预期。

答案 A

A exceed v 超过，超越，胜过

B exclaim v呼喊，大声说

C excess n 超过，超越exceed v excessive adj

D extend 扩展，延伸

33.It is _______ to anyone here that the department chairman has refused to

support the new project.

A.factor

B.false

C.evident

D.elastic

在场的人都清楚，系主任不支持该新方案。

答案 C

A factor n. 因素; <数>因子; 代理人;

B false adj. 虚伪的; 不正的，非法的; 假造的

C evident dj. 明显的，明白的; 昭著

D elastic [??l?stik]. 有弹力的; 可伸缩的; 灵活的n. 松紧带，橡皮圈;

e.g. Our plans are fairly elastic. 我们的计划有相当的灵活性.

e.g. This skirt needs some new elastic in the waist.

这条裙子需要换一根松紧腰带。

34.He _______ his father in appearance but not in height.

A.repeats

B.looks

C.resembles

D.likes

他外表像父亲，但是没有他父亲那么高。

答案 C

A repeat vt. 复述，背诵; 重复;

B look 脸蛋，眼神，

C resemble vt. 与…相像，类似于

China's south does not at all resemble the U.S. south.

中国的南方一点也不象美国的南部.

D like prep 像v 喜欢

35.Both O.J.Simpson and Jim Brown have been ______ as the greatest players in

the history of football.

A.ranked

B.recorded

C.stocked

D.stripped

O.J 辛普森和吉姆布朗在足球历史上都是巨星。

答案 A

A rank vt. 排列; 超过，高于; 把…分等级; 阶层，等级; 军衔; 次序，

e.g. She was not used to mixing with people of high social rank.

她不习惯和社会地位很高的人搅和在一起。

e.g. She was not used to mixing with people of high social rank.

她不习惯和社会地位很高的人搅和在一起。

B record 记录，记载; 档案，履历; 唱片;

C stock n. 股份，股票; 库存; 树干; 家畜;

D strip vt. 除去，剥去; 剥夺; 删除; 清除，拆除;

e.g. The doctor told me to strip down to my shorts. 医生让我脱得只剩一条短裤.

e.g. he dancer did a strip. 跳舞者表演了脱衣舞.

36.The airplane took off soon. It was like being on an old train ______ from side to

side and going faster and faster.

A.surrounding

B.foregoing

C.swaying

D.frowning

飞机不久就起飞了，像一列破火车摇摇晃晃，然后越来越快。

答案 C

A surround 包围，围绕surrounding n. 环境，周围的事物;

adj. 周围的，附近的;

B forego vt. 摒弃; 摒绝; 放弃;

e.g. Mickey agreed to forego his holiday. 米基同意放弃他的假期.

foregoing adj. 在前的，在先的，前面提到的;

C sway vi. 摇摆; 歪，倾斜; 改变;

D frown 皱眉头，不同意

37.This is a poem about _______ life in the American West.

A.bay

B.chamber

C.frank

D.dozen

这是一首描写美国西部港湾生活的诗

（美国西部港湾有：西雅图、洛杉矶、旧金山、长滩、奥克兰、圣迭哥、圣芭芭拉）

答案 A

A bay 湾，海湾; 犬吠声; 月桂树; 吊窗

B chamber 室，卧室，会客室; 内庭

C frank adj. 坦白的，直率的; 清楚表明的; 明显的

D dozen 一打，十二

39.What they produced has no any _______ value. But it is very useful to their research.

A.filter

B.fold

C.partial

https://www.360docs.net/doc/067675248.html,mercial

他们生产是东西，没有任何商业价值，但是对他们的研究非常有用。

答案：D

A filter n. 滤波器; 滤光器; 滤色镜; [化] 过滤器;

You filter the coffee through this special paper and it takes out the bitterness.

如果你用这种特制的纸过滤咖啡,就没有苦味了.

B fold 折叠，合拢

C partial 部分的，；偏爱的

D commercial 商业的n 广告

40.When talking about Chinese culture，people often _______ its origin with the Yellow River.

A.worship

B.vain

C.reveal

D.associate

谈论中国文化的时候，人们常常会把它与黄河联系起来。

答案D

A worship 崇拜，尊崇

B vain 徒劳的，in vain

C reveal v vt. 显露; 揭露; 泄露

to reveal a secret 泄露一条秘密

It is normal practice not to reveal details of a patient's condition.

不透露患者病情的细节是惯常的做法。

D associate vt. （使）发生联系; （使）联合; 结交; 联想;

n 同事;合作人;伙伴

e.g. I always associate the smell of those flowers with my childhood.

我一闻到这种花香,就联想起我的童年.

e.g. .the restaurant owner's business associates. 餐馆老板的商业伙伴

41.As a chairman for nearly ten years，Professor Smith has never _______ to

anything dishonest.

A.beard

B.attached

C.granted

D.kept

最为一名任职接近十年的主席，史密斯教授从来没有徇私舞弊。

答案 C

A beard 胡须

B attach 贴上，系上attach importance to 重视

C grant vt. 承认; 同意; 准许; 授予;

n. 拨款; 补助金;

授给物（如财产、授地、专有权、补助、拨款等）;

vi. 同意;

e.g. She won a grant to develop her own business.

她赢得了一笔拨款，用以扩展自己的企业。

E.g. The bank finally granted a ￡500 loan to me.

银行终于同意给我贷款500英镑。

take sb/sth for granted 不把…当回事，对…不予重视; 想当然

E.g. We take having an endless supply of clean water for granted.

我们想当然地认为洁净水的供应无穷无尽而不予以珍惜

D kept /keep 保持，继续

42. 暂缺

43.The ---_______ between Chinese and Japanese is not so obvious so that it is not easy to

distinguish between people from the two countries.

A.distinction

B.equivalent

C.index

D.murder

中国人和日本人的区别不是很明显，因此区别他们是不容易的。

答案 A

A distinction n 区别，差别

distinctions between traditional and modern societies

传统社会和现代社会的差别

Many people make a sharp distinction between humans and other animals.

很多人认为人类和其他动物截然不同。

B equivalent adj. 相等的，相当的，等效的; 等价的，等积的;

n. 对等物;

e.g. Eight kilometers is roughly equivalent to five miles.

八公里约等于五英里。

C index n. 索引; <数>指数; 指示; 标志;

D murder n. 谋杀; 杀戮;

44.When he caught a _______ of his girl-friend in the rain，Jack asked the taxi driver to stop to

pick her up.

A.harbor

B.kettle

C.glimpse

D.scale

杰克看到他的女朋友在雨中的时候，就让出租车司机停下来接她。

答案 C

A harbor n. 海港; 海湾; 避难所; 躲藏处;

B kettle n. （烧水用的）壶; 小汽锅;

C glimpse n. 一瞥，一看; （古语）闪光; 隐约的闪现; 模糊的感觉;

D scale n. 规模; 比例（尺）幅度

e.g. On a world scale the earthquake was a tiddler.

从全球范围看，这次地震算不了什么。

45. He’ll always be _______to you for what you’ve done.

A.peaceful

B.secure

C.grateful

https://www.360docs.net/doc/067675248.html,panion

他对你的所作所为总是心存感激。

答案 C

A peaceful adj. 和平的; 爱好和平的; 安静的; 平静的;

B secure adj. 安全的; 牢固的vt. 保护;

C grateful adj. 感激的，感谢的;

D companion vt. 同行; 陪伴;

46.In Nearly any country，there always exists a _______ gap between the old and the young.

A.generation

B.helicopter

C.noticeable

D.ounce

在任何国家，老年人与年轻人之间都存在代沟。

答案A

A generation n. 一代人; 代（约30年），时代; 生殖; 产生

B helicopter 直升飞机

C noticeable adj. 显而易见的，明显的; 引人注目的，

D ounce n. 盎司; <口>少量，一点儿

47.Excuse me，sir. Could you please tell me what number I should dial to get the _______.

A.throat

B.verse

C.conductor

D.operator

劳驾，先生，接接线员，我该拨打哪个号码？

A throat n. 咽喉; 颈前部

B verse n. 诗，韵文; 诗节

C conductor 售票员; （乐队）指挥; 导管

D operator 操作手，接线员

48.Without the _______ materials imported from abroad，Japan can hardly produce anything.

A.storey

B.valuable

C.spare

D.raw

没有从国外进口的原材料，日本几乎什么都不能生产。

答案 D

A storey=story （楼）层（指空间层）

B valuable 有价值的，

C spare adj 业余的，备用的，v 抽出赦免

D raw adj. 生的，未加工的; 无经验的; 新近完成的; 发炎的，疼痛的;

49.We may be able to _______ you in some way if you can not finish your work on

time.

A.resist

B.insist

C.assist

D.disease

如果你不能按时完成工作，我们也可以在某些方面帮助你。

答案 C

A resist v. 抵抗，抗拒; 忍耐; 反对，抵制; 其名词形式为：resistance,

B insist 坚持

C assist 帮助援助

D disease 疾病

50.She always dreamed of an _______ job even when she was ten years old.

A. ideal

B.indirect

C.absolute

D.aid

十岁的时间就梦想有一份理想的工作

答案 A

A ideal adj. 理想的，完美的;

B indirect adj 间接地

C absolute adj 绝对的

D aid 帮助，援助first aid 急救

答案：

1.D

2.C

3.D

4.C

5.C

6.C

7.C

8.A

9.D 10.A 11.A 12.D13.A 14.D 15.A 16.D 17.A 18.B 19.C 20.C 21.D 22.D 23.D 24.A 25.A 26.B 27.C 28.D 29.B 30.C 31.B 32.A 33.C 34.C 35.A 36.C 37.A 38.C 39.D 40.D 41.C 42.B 43.A 44.C 45.C 46.A 47.D 48.D 49.C 50.A