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问题 不定项选择题

证明溶液中是否含有Fe2+，其操作的正确顺序是[ ]

①加少许酸化的KMnO4溶液

②加少许氯水

③滴加少许KSCN溶液

A．①②

B．②③

C．①②③

D．③②

答案

答案：D

句型转换

句型转换。

1. My new house is very big. (对画线部分提问)

    _____ _____ your new house?

2. I think he can come tomorrow. (改为否定句)

    I _____ think he _____ come tomorrow.

3. Jim likes collecting stamps. (改为一般疑问句)

    _____ Jim _____ collecting stamps?

4. I am looking after Jim's younger brother. (改为同义句)

    I am _____ _____ _____ Jim's younger brother.

5. There are 40 students in the classroom. (对画线部分提问)

    _____ _____ students are there in the classroom?

6. My favorite subject is history. (对画线部分提问)

    _____ _____ your favorite subject?
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单项选择题

合格管理公司简称为( )。

A．MOA

B．DMA

C．AM

D．AMO
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