有一个电磁铁的磁性减弱了,为了使其磁性增强,可用磁化的方法,请在图中画出磁体磁化的绕线方法 图为条形

The Central Bank is busy with estimating the circulation of its currency in the economy. The underlined part means

A．rotation

B．reserve

C．volume

D．cycling

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I wish you______Jim so much. He is still very depressed.

A．had not hurt

B．didn"t hurt

C．would not

D．not to hurt

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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.

请帮忙给出正确答案和分析，谢谢！

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

请帮忙给出正确答案和分析，谢谢！