单项选择题

Criticism and self-criticism are necessary______they help us to find and correct our mistakes.

A．by that
B．at that
C．on that
D．in that
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单项选择题
Sometimes the student may be asked to write about his______to a certain book or article that has some bearing on the subject being studied.
A．comment
B．reaction
C．impression
D．comprehension
单项选择题
According to what you have just said, am I to understand that his new post no responsibility with it at all
A．shoulders
B．possesses
C．carries
D．shares
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