问题
选择题
Schools in the south tend to be better equipped，_______those in the north are relatively poor.
A．while
B．since
C．when
D．as
答案
A
这几个连词都可以表原因或时间，但while还有强调对比的意思,“而且”。
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Schools in the south tend to be better equipped，_______those in the north are relatively poor.
A．while
B．since
C．when
D．as
A
这几个连词都可以表原因或时间，但while还有强调对比的意思,“而且”。