当融资融券交易出现异常时，交易所可视情况采取的措施有( )。

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问题多项选择题

A．调整标的证券标准或范围

B．调整可充抵保证金有价证券的折算率

C．调整融资、融券保证金比例

D．暂停整个市场的融资买入或融券卖出交易

答案

参考答案：A,B,C,D

填空题

选择正确答案填空。

1. Li Ming are getting ready (A. for B. to) school.

2. Mitts and mittens are meaning (A. different B. the same).

3. Look (A. out B. on) of the window.

4. I like to ski (A. on B. in) the snow. Let's go (A. inside B. outside).

5. I have (A. a B. two) sticks (A. for B. at) the snowman's arms.

单项选择题

细石混凝土防水层厚度不应小于( )mm。

A．20
B．30
C．35
D．40