题目内容
【题目】In China, Some people are quite well-off __________ some live in terrible conditions, especially in remote areas.
A. though B. as
C. while D. when
【答案】C
【解析】句意:在中国,有些人非常富裕,但有些人,特别是偏远地区的人,还生活在恶劣的环境中。前后表对比,用 while。
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