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问题 选择题

在有机物中,有一类物质的分子组成具有Cm(H2O)n的特征，我们称为糖类。例如：淀粉(C6H10O5)n是一种糖类，可以把它写成C6n(H2O)5n的形式。下列物质属于糖类的是 ①蔗糖C12H22O11 ②纤维素(C6H10O5)n ③苯酚C6H6O④葡萄糖C6H12O6 ⑤氨基乙酸C2H5O2N [ ]

A.①②④

B.②③④

C.②④⑤

D.④⑤

答案

答案：A

句型转换

小题1:We were talking loudly when the teacher came in . (对划线部分提问)

_________ ________ you _________when the teacher came in ?

小题2:There will be a robot in every house in the future.(改为一般疑问句)

__________  _________be a robot in every house in the future ?

小题3:He asked me , “Are you a new student here ?”(改为间接引语)

He asked me ______I ________a new student there .

小题4:I think there will be more cars in the future. (改为否定句)。

I _________think there _______be more cars in the future.

小题5:Hurry up, or you will be late.(改为同义句).

_______you ________hurry up, you will be late.
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选择题

下列哪一项与使用处方药无关[ ]

A．必须凭执业医师或执业助理医师的处方才可以购买

B．不需要凭医师的处方即可购买

C．要按照使用说明上要求的剂量服用

D．要在有效期内服用
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