单项选择题


A．fragment
B．slice
C．segment
D．portion
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单项选择题
The book gives a brief ________ of the course of his research up till now.
A．outline
B．reference
C．frame
D．outlook
单项选择题
More often than not, it is difficult to ________ the exact meaning of a Chinese idiom in English.
A．exchange
B．transfer
C．convey
D．convert
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