职称英语考试理工类完形填空模拟练习

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One Good Reason to Let Smallpox Live

It's now a fair bet that we will never see the total extinction of the smallpox virus. The idea was to cap the glorious achievement of 1980, when smallpox was eradicated in the wild, by destroying the killer virus in the last two labs that are supposed to have it — one in the US and one in Russia. If smallpox had truly gone from the planet, what point was there in keeping these reserves?

__1__reality, of course, it was naive to __2 __ that everyone would let __3__ of such a potent potential weapon. Undoubtedly several nations still have__4__ vials. __5__ the last“official”stocks of live virus bred mistrust of the US and Russia,__6__ no obvious gain.

Now American researchers have __7__ an animal model of the human disease, opening the __8__for tests on new treatments and vaccines. So once again there's a good reason to__9__ the virus — just in __10__ the disease puts in a reappearance.

How do we __11__ with the mistrust of the US and Russia? __12__. Keep the virus __13__ international auspices in a well-guarded UN laboratory that's open to all countries.The US will object, of course, just as it rejects a multilateral approach to just about everything. But it doesn't __14__the idea is wrong. If the virus __15__ useful, then let's make it the servant of all humanity — not just a part of it.

词汇:

smallpox n.天花

vial n.小瓶

auspices n.赞助;支持

cap vt.结束;覆盖

potent adj.有效力的;强有力的

mistrust n.不信任,怀疑

1. A) In B) On C) At D)For

2. A)know B) imagine C) realize D)be aware

3. A)to go B) going C) go D) went

4. A) much B) more C) most D) a few

5. A)And B) While C) Whereas D) Although

6. A)since B) for C) because D) of

7. A)looked for B) sought C) found D) talked about

8. A)method B) road C) street D) way

9. A)keep B) put C) destroy D) eradicate

10.A)need B) case C) necessity D) time

11.A)handle B) tackle C)deal D) treat

12.A) Difficult B) Hard C) Safe D) Simple

13.A) under B) in C) on D) for

14.A)say B) mean C) state D) declare

15.A) will be B) would be C) is D) are

「正确答案」

1-5 ABCDA

6-10 BCDAB

11-15 CDABC

「答案解析」 完型填空解题思路:

1.借助被选项的特点缩小答案范围,确认答案判断方向;

2.借助空格两端的搭配结构特点判断答案;

3.借助空格所在句子中用词特点猜测答案;

4.借助空格所在句子句意判断答案;

5.围绕文章中心(标题反应内容)猜测答案;

6.借助上下文用词/语意判断答案。

解析:

1. A.分析:被选项是介词,注意搭配结构。in reality,“实际上,事实上”是固定搭配。

2. B.分析:借助被选项的特点:know = be aware,排除A和D,再借助搭配结构(……是天真的)判断B(想象)是答案。

3. C.分析:1et跟原形动词,go符合这一原则。

4. D.分析:根据搭配结构(……小瓶),判断D最合适(而且该句和前句中都没有出现比较的含义)。

5. A.分析:该句结构是“句子+短语结构”,因此空格处的连词必须能引导一个独立的句子,这样判断只有A合适(其他选项都只能引导从句结构)。

6. B.分析:借助被选项的特点B和C相关,用法不同,重点注意,再借助空格后是名词性结构这个特点判断B合适。

7. C.分析:借助被选项的特点A和C有关系:前者是“寻找”,后者是“找到”,重点注意。借助该句子主干结构大意:“现在美国研究者已经……,开启了……”,这样判断C(找到)合适。

8.D.分析:借助被选项的特点:method 的习惯搭配介词是of,因此排除A; B和C都是具体指代“街道”,而 way可以抽象和具体的指代“道路”,判断D合适。Open the way v.为……创造条件; Clear the way v.扫清道路, 让路;On the way to在……途中;Find one's way out 找到某人出去的路;寻找解决方法。

9. A.分析:该句的结构与标题的结构一致,因此借助标题内容直接判断A(保留/保存)是答案。

10. B.分析:借助搭配结构“in……判断A,B和D是答案”,再根据空格后是一个句子的特点判断B(in case conj.万一)是答案。

11. C. 分析:借助搭配“…… with”直接判断C是答案。Tackle vt 应付(难事等),处理, 解决。

12. D.分析:借助下文句子是在教人们怎样做(祈使句结构),因此判断D是答案。

13. A. 分析:被选项是介词,所以注意搭配结构:keep……in a …… laboratory; …… international auspices(赞助),根据介词的基本含义和用法判断A(under prep.在……之下, 在……领导下)是答案。

14. B. 分析:因为空格是作谓语,而句子主语是“非人”,所以A,C 和D都不行(这些词的主语往往是“人”)。

15. C.分析:首先借助后面主句中的代词it判断前面的the virus应该是单数,而且状语从句结构中只能用一般时态来表示将来,所以判断C是答案。

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