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问题 单项选择题

最常用于早孕诊断的激素是（）

A.雌酮

B.雌二醇

C.雌三醇

D.孕酮

E.人绒毛膜促性腺激素

答案

参考答案：E

解析：人绒毛膜促性腺激素可用于早早孕检测，最早在受精后7天即可检测出受孕。

听力题

词汇。

小题1:There is an ______ of oil paintings in the museum. (exhibit)

小题2:It often ________(吸收) power from others.

小题3:Robots can help Mum do the _______(干洗衣服) when there are dirty clothes.

小题4:The robot has three long arms ________(连接) to its chest.

小题5:For a moment he was completely ______ (knock) over by the news of his friend’s death.

小题6:Before I got home yesterday, my shirt _______ (iron) by my wife.

小题7:The contribution that Einstein made to modern physics is _______(独一无二的).

小题8:The machine is ________ (旋转) out of control.

小题9:Now Daniel’s father is one of the youngest ________ (教授) in his university.

小题10:There was only one girl __________ (服务) customers.
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判断题

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