Schools in the north tend to be better equipped, those in the south are relatively poor.

发布时间：2020-08-17 07:33:07

Schools in the north tend to be better equipped,      those in the south are relatively poor.
A. as
B. unless
C. when
D. while

网友回答

A. as
B. unless
C. when
(答案→)D. while
解析：考查连词。A因为；B除非；C当……时候；D然而。句意：北方的学校趋向于更好的装备，而那些南方的学校相对差点。故D正确。
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