__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.小瓶来源：考试大
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
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1-5 ABCDA
6-10 BCDAB
11-15 CDABC
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