____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further st____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further study.A.AsB.OnceC.IfD.Although
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![____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further st____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further study.A.AsB.OnceC.IfD.Although](/uploads/image/z/9273878-62-8.jpg?t=____+scientists+have+done+a+lot+of+research+on+A1H1N1+flu%2Cthere+are+still+some+cases+for+further+st____+scientists+have+done+a+lot+of+research+on+A1H1N1+flu%2Cthere+are+still+some+cases+for+further+study.A.AsB.OnceC.IfD.Although)
____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further st____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further study.A.AsB.OnceC.IfD.Although
____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further st
____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further study.
A.As
B.Once
C.If
D.Although
____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further st____ scientists have done a lot of research on A1H1N1 flu,there are still some cases for further study.A.AsB.OnceC.IfD.Although
D
表转折
选D
根据句子的意思可以选出,这句话的意思是即使科学家们已经做了大量关于A1H1N1(甲流)的研究,还是有许多病例有待进一步研究。Although是即使的意思,表转折。
D 虽然科学家对猪流感做了好多调查,但仍旧有很多案例有待研究