假设某国人口为5 000万人,就业人数为2 000万人,失业人数500万人,则该国的劳动力为( )万人。
A.2 500
B.2 400
C.1 500
D.5 000
参考答案:A
根据首字母填空。
1. We must try our best to make the Food Festival s .
2. Don't eat too many h . That will make you fat.
3. —May I i you to our Music Festival?
—I'd love to.
4. What do you think the children should p for the Christmas?
5. The school in my v has very few school supplies.
可用作透明剂的试剂有()
A.环己酮
B.丙酮
C.二甲苯
D.甲苯
E.氯仿