单项选择题

（）he referred to in his speech, the pollution in Beijing is indeed not serious.

A. What
B. As
C. Which
D. Since

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单项选择题
The old woman is still in danger. She is（）than she was yesterday.

A. as well as
B. not worse
C. no better
D. more worse
单项选择题
Finding the police's coming, all the thieves ran away（）all directions.

A. on
B. in
C. from
D. to
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