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问题 单项选择题

( )不是税收的基本特征。

A．强制性
B．无偿性
C．确定性
D．平等性

答案

参考答案：D

填空题
短语填空。请阅读下面各小题，从方框中选择适当的短语填空。
A. show up   B. came up with   C. Thanks to   D. turn down   E. At first
F. by mistake   G. make progress   H. depend on   I. Strict with   J. As for
1. My sister Jenny _______ a great idea! We're going to make a yard sale.
2. You'd better not ask Jane to go out at night. Her parents are very _______ her.
3. What the people there wear should _______ their likes and dislikes.
4. The baby is sleeping. Could you _______ the music, please?
5. I am not good at my lessons. I hope I can _______ next term.
6. —I'm afraid this is my umbrella. —Sorry, I took yours _______.
7. Do you know where Mike is? He should be here an hour ago but he didn't _______.
8.  _______ the policy, great changes have taken place in Nanchang.
9.  _______ I thought he was shy, but then I discovered he was just not interested in other people.
10.  _______ the hotel, it is very comfortable and quite close to the sea.
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单项选择题

氮气是一种（）气体。

A.可燃性

B.窒息性

C.挥发性

D.有毒
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