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问题 选择题

已知[Co(NH3)6]3+呈正八面体结构（如图）：各NH3分子间距相等，Co3+位于正八面的中心。若其中2个

NH3分子被Cl-取代，所形成的[Co(NH3)4Cl2]+的同分异构体的种数有

[ ]

A．2种

B．3种

C．4种

D．5种

答案

答案：A

句型转换

句型转换 （10）

小题1:John enjoys swimming. Peter enjoys swimming,too. (合并为一句)

  John         Peter          swimming.

小题2:Jim is twelve years old. Tim is twelve years old,too. (合并为一句)

Jim is                             Tim.

小题3:He did some sports last week. (改为否定句)    He                       sports last week.

小题4:What do you think of the TV play?(同义句转换)         do you        the TV play?

小题5:Why don’t you come to join us?(同义句)                  come to join us?

小题6:She has a healthy eating habit. (改为同义句)   Her ________ _______ _________ healthy.

小题7:She eats junk food once a week. (对画线部分提问)  ________ _______ ______she eat junk food?

小题8:Jim is taller than the other two. (改为同义句) Jim is _________ _________ of the three.

小题9:Michael is funnier than any other student in his class. (同义句)

Michael is                           in his class.

小题10:Movie World has big screens. Town Cinema has bigger screens. (合并为一句)

Town Cinema has           screens          Movie World.

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多项选择题

行政性收费包括哪些（）。

A、管理性收费

B、资源性收费

C、证照性收费

D、盈利性收费
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