赞题库-背景图
单项选择题

It is reported that the worst pedestrian jam in this city occurs around this crossroads.

A．confession
B．congestion
C．digestion
D．exhaustion
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单项选择题【D8】

A．
B．
C．
D．

单项选择题Soils are not renewable resources that support allmankind.

A．gentlemen
B．humans
C．structures
D．culture