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【題目】My mom always tells me that smoking would be harmful to our health.
A.對……有益
B.對……有用
C.對……有幫助
D.對……有害

【答案】D
【解析】句意：我媽媽總是告訴我吸煙會對我們的健康有害。be harmful to在該句中的意思是“對……有害”，所以選D

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