______ scientists to develop a vaccine for the bird flu virus, they could potentially help save millions of lives.

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问题 ______ scientists to develop a vaccine for the bird flu virus, they could potentially help save millions of lives.

选项 A、If
B、Should
C、Were
D、Unless

答案C

解析 were to虚拟语气倒装句

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______ scientists to develop a vaccine for the bird flu virus, they could potentially help save millions of lives.

托业阅读

托业（TOEIC）

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FEIFEIELEVATORSisoneoftheleadingelevatorcompaniesintheworldwithmorethan120branchcompanies(分公司)aroundtheglobe.

InAmsterdam(阿姆斯特丹),thereisanunusualChildrenRestaurant.Itisrun(经营)bychildren.Fromthemanagertothecooks,waiter

Surtseywasbornin1963.Scientistssawthebirthofthisisland.Itbeganat7:30a.m.on14thNovember.Afishingboatwasn

Assurbankingreferstothesystemoftakingbankproductsmanufacturedbyaninsurancecompany’sownbankandsellingthemthrou

Correspondentbankingfacesaproblemofdefinition.Fiveyearsagothebusinesswaspreoccupiedwithelectronicfundstransfer.

investigate,quantity,discount,negligence,replements,discrepancy,packinglist,unsaleable,inferior,penaltyclause,upto

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