I wish you______Jim so much. He is still very depressed.A．had not hurtB．didn"t hurtC．would

用于被动免疫的是

A.抗毒素

B.减毒疫苗

C.IFN-a

D.造血干细胞移植

E.免疫抑制剂

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Which of the following contains an adverbial clause of time？

A．No sooner had I got home than it began to rain.

B．I do remember, now that you mention it.

C．You"ll be late unless you hurry.

D．Much as I"d like to, I can"t come.

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人工流产综合征的发生原因主要是

A、长时间仰卧位

B、精神过度紧张

C、迷走神经反射

D、疼痛刺激

E、吸宫时负压过大

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Other commitments remain sparse despite the plan______since 2007.

A．floated

B．having been floated

C．having floated

D．was floated

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学校卫生标准规定，小学3～6年级学生睡眠时间不宜少于

A.6小时

B.7小时

C.8小时

D.9小时

E.10小时

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