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A large number of teenagers will quit school next yea r.（ ）
A large number of teenagers will quit school next yea r.（ ）A．Right B．Wrong C．Not
Mary has derived a good deal of benefit from her job.（ ）
Mary has derived a good deal of benefit from her job.（ ）A．obtained B．accepted C
When she was invited to dinner, she readily accepted.（ ）
When she was invited to dinner, she readily accepted.（ ）A．suddenly B．firmly C．r
假如该地小学、初中毛入学率均高于百分之百，出现这种现象最可能原因是（ ）。
假如该地小学、初中毛入学率均高于百分之百，出现这种现象最可能原因是（ ）。A．该地小学、初中在校学生缀学的很多 B．该地适龄学龄人口转学的很多 C．该地外来人
简要说明选用的水环境影响预测模式。
简要说明选用的水环境影响预测模式。