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.1 Undoubtedly several nations still have____4____vials.

___5_____the last"official"stocks of live virus bred mistrust of the US and Russia,2____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

練習(xí)：

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

答案與題解：

1.A inreality：“實(shí)際上,事實(shí)上”。這是固定的說(shuō)法。

2.B此處應(yīng)填入一個(gè)非事實(shí)性動(dòng)詞。imagine是非事實(shí)性動(dòng)詞。know,realize和be aware 都是事實(shí)性動(dòng)詞,所以不合適。屬于非事實(shí)性動(dòng)詞還有believe,think等。

3.C let跟動(dòng)詞原形,go符合這一原則。

4.D vials是復(fù)數(shù),much不合適。另外,本句和上文都沒(méi)有比較的意思,因此more和most也都不合適。

5.A上一句句末的標(biāo)點(diǎn)符號(hào)表明本句是一個(gè)獨(dú)立的句子。只有and可用于一個(gè)獨(dú)立的句子,其他的選項(xiàng)都不可以。

6.B整個(gè)句子說(shuō)的是美俄“官方”保存的最后的活病毒儲(chǔ)備由于不能帶來(lái)明顯的好處而引起大家對(duì)這兩個(gè)國(guó)家的不信任。no obvious gain是名詞短語(yǔ)。for可跟名詞短語(yǔ),表示原因。because不跟名詞短語(yǔ)。since可跟名詞短語(yǔ),但跟表示時(shí)間的名詞短語(yǔ)。of可跟名詞短語(yǔ),但常表示“所屬”關(guān)系。

7.C opening the way for tests on new treatments and vaccines："為試驗(yàn)新的治療方法和新的疫苗開辟了道路”。這是句子的下半部分�？梢钥闯�,上半部分所描寫的model應(yīng)該是實(shí)際上存在的。此處應(yīng)該用found.它是外延動(dòng)詞,表示model是存在的。looked for和sought是內(nèi)涵動(dòng)詞。它們引起的名詞短語(yǔ)并不一定有外延。因此是不合適的。talked about 是“談?wù)?rdquo;的意思。用在這里,也是不妥的。

8.D open the way是一種固定的說(shuō)法,意思是“為某事的發(fā)生創(chuàng)造了條件”。類似的說(shuō)法還有：clear the way,prepare the way 等。

9.A keep the vims是“保存病毒”的意思。put the virus是不正確的,后面必須有地點(diǎn)狀語(yǔ)。如：You can put the virus in a bottle,destroy the virus 和eradicate the virus 都是“消滅病毒”的意思,跟后半句話在意思上是矛盾的。

10.B in case是固定的說(shuō)法,意思是“萬(wàn)一”。整個(gè)句子說(shuō)的是：因此,又有了一個(gè)保存病毒的理由——萬(wàn)一這種病卷土重來(lái)。

11.C這幾個(gè)選項(xiàng)意思差不多,但只有deal可跟with搭配。

12.D從緊隨其后的句子來(lái)看,用simple是正確的。difficult,hard和safe都跟后面的句子在意思上不連貫。

13.A under the auspices是固定的說(shuō)法,意思是“贊同”、“支持”。

14.B It doesn't mean that……是一種固定的表達(dá)法。也可以說(shuō)：It doesn't mean to say that……

15.C本句是個(gè)條件句。從句中動(dòng)詞一般用現(xiàn)在時(shí)表示“未來(lái)”。這就排除了will be和would be.virus是單數(shù),因此D也不正確。

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