【題目】Doctors always tell us that drinking too much________our healthbut some people don’t care.

A.is harm toB.does harmful to

C.is harmful toD.do harm to

【答案】C

【解析】

考查固定短語和主謂一致。句意:醫(yī)生總是告訴我們,喝太多的酒會影響健康,但有些人不在乎。be harmful to sb/sth“對……有害處”,且本句為動名詞做主語,所以be動詞為is。故選C項。

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