【題目】Everyone knows fire is very useful in our daily life, it is also dangerous.

A. so B. or C. because D. but

【答案】D

【解析】

試題分析：句意：每個人都知道火在我們生活中很有用，但是它也很危險。A. so所以；B. or或者；C. because因為；D. but但是。結(jié)合句意，故選D

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