填空题

Smoking (know)()to increase a person’s risk of developing lung cancer.

【参考答案】

is known
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填空题
(Compare)()with a national average of 2,400 units last month, the Shanghai branch produced 2,800.
单项选择题
What does the woman mean()

A. She is depending on the man.
B. She might be able to help the man.
C. She will do anything the man asks.
D. She can’t hear what the man has said.

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