单项选择题

In view of the depression of the national economy, there are plans to ______, a much greater harvest from the timber resource.

A．excel
B．expel
C．expire
D．extract
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单项选择题
My grandmother ______ the photographs of her two grandchildren.
A．comprises
B．treasures
C．offends
D．notarizes
单项选择题
His fellow workers like and respect him because he is a man of ______.
A．sincerity
B．injustice
C．inquiry
D．hostility
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