用于病毒性肝炎治疗的是A.抗毒素B.减毒疫苗C.IFN－aD.造血干细胞移植E.免疫抑制剂

Which of the following sentence is NOT an elliptical sentence(省略句)？

A．I want to improve my French but I don"t know how.

B．Some of the answers were correct while I don"t know which.

C．This is what I want to say and I hope that you can follow me.

D．I touched the door to see if the dirt on it could be eliminated, and it surely could.

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Which of the following sentence is an elliptical sentence(省略句)？

A．On the top of the trees were some birds.

B．The police found a large box under his bed, in which were so many tools.

C．He didn"t sell half as many apples as he thought he would.

D．I can"t remember which city he comes from.

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Their rival company is planning a______ takeover.

A．vicious

B．spiteful

C．hostile

D．mean

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Some foreigners bold remarks against the authorities raised everyones eyebrows. The underlined part means______.

A．convinced everyone

B．encouraged everyone

C．enlightened everyone

D．shocked everyone

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______is the speed at which something moves in a particular direction.

A．Voltage

B．Velocity

C．Proportion

D．Frequency

请帮忙给出正确答案和分析，谢谢！