单项选择题

The two delegates had an in-depth exchange of views on how to enhance their （）cooperation.

A. ethical
B. bilateral
C. mandatory
D. subsidiary

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单项选择题
The none of students in the class likes the mistress, who is used to being （）of everything they do.

A. emotional
B. optimistic
C. interested
D. critical
单项选择题
I want to talk about all these points in（）order of importance.

A. declining
B. descending
C. plunging
D. falling
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