单选题：There is an abundant supply of cheap labor in this country.

题目内容：

There is an abundant supply of cheap labor in this country. A．a steady
B．a plentiful
C．an extra
D．a stable

参考答案：【答案仅供学习，请勿对照自行用药等】

答案解析：

Cement was seldom used in building the Middle Ages.

Cement was seldom used in building the Middle Ages.A．crudely B．rarely C．origina

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根据材料回答题：How many people took part in in-line skating in the US in 1995?A．About

分类：卫生类题型：单选题

分类：卫生类题型：单选题

分类：卫生类题型：单选题