单项选择题

In order to improve our standard of living, we have to accelerate production().

A. speed up
B. decrease
C. stop
D. control

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单项选择题
It is obvious that he will win the game at last.()

A. likely
B. possibly
C. clearly
D. finally
单项选择题
The loss of her cat was the greatest grief the child had known.()

A. trial
B. tragedy
C. misconduct
D. sorrow
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