2020年职称英语《卫生类B级》完形填空练习题(3)

1、2020 年职称英语卫生类 B 级完形填空练习题（ 3 ）One Good Reason to Let Smallpox LiveIts 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

2、 are supposed to have it one in the US and one inRussia.If smallpox had truly gone from the planet,what point was there in keeping these reserves ？1reality,of course,it was naive to2that everyone would let3of such a potent potentialweapon.1 Undoubtedly several nations still have4vials._5the last off

3、icial stocks of live virus bredmistrust of the US and Russia,26no obvious gain.Now American researchers have_7an animal model ofthe human disease,opening the8for tests on newtreatments and vaccines.So once again theres a good reason to9the virus just in10the disease puts in areappearance.How do we11

4、with the mistrust of the US and Russia？12Keep the virus13_international auspices in a well-guarded UN laboratory thats open to all countries.The US will object,of course,just as it rejects a multilateral approach to just about everything.But it doesnt14the idea is wrong.If thevirus15useful,then lets

5、 make it the servant of all humanity not just a part of it练习：1. A.In B.On C.At D.For2. A.know B.imagine C.realize D.be aware3. A.to go B.going C.go D.went4. A.much B.more C.most D.a few5. A.And B.While C.Whereas D.Although6. A.since B.for C.because D.of7. A.looked for B.sought C.found D.talked about

6、8. A.method B.road C.street D.way9. A.keep B.put C.destroy D.eradicate10. A.need B.case C.necessity D.time11. A.handle B.tackle C.deal D.treat12. A.Difficult B.Hard C.Safe D.Simple13. A.under B.in C.on D.for14. A.say B.mean C.state D.declare15. A.will be B.would be C.is D.are答案与题解：1. A inreality ：实际

7、上, 事实上 。这是固定的说法。2. B 此处应填入一个非事实性动词。 imagine 是非事实性动词。 know,realize 和 be aware 都是事实性动词 , 所以不合适。属于非事实 性动词还有 believe,think 等。3. C let跟动词原形，go符合这个原则4. D vials 是复数,much不合适。另外，本句和上文都没有比较的 意思，所以more和most也都不合适。5. A 上一句句末的标点符号表明本句是一个独立的句子。只有and可用于一个独立的句子 ,其他的选项都不能够。6. B 整个句子说的是美俄 官方保存的最后的活病毒储备因为不能 带来明显的好处而引起大

8、家对这两个国家的不信任。 no obvious gain 是名词短语。 for 可跟名词短语 , 表示原因。 because 不跟名词短语。 since 可跟名词短语 , 但跟表示时间的名词短语。 of 可跟名词短语 , 但 常表示 所属 关系。7. C opening the way for tests on new treatments andvaccines ： 为试验新的治疗方法和新的疫苗开辟了道路 。这是句子 的下半部分。能够看出 , 上半部分所描写的 model 应该是实际上存有的。 此处应该用 found. 它是外延动词 , 表示 model 是存有的。 looked for 和

9、 sought 是内涵动词。它们引起的名词短语并不一定有外延。所以是 不合适的。 talked about是 谈论的意思。用在这里 , 也是不妥的。8. D open the way 是一种固定的说法 , 意思是为某事的发生创造 了条件 。类似的说法还有： clear the way,prepare the way 等。9. A keep the vims是保存病毒的意思。 put the virus 是不准确的 , 后面必须有地点状语。如： You can put the virus in a bottle,destroy the virus 和 eradicate the virus都是消灭病毒的意思 , 跟后半句话在意思上是矛盾的。10. B in case 是固定的说法 , 意思是万一。整