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问题 单项选择题

我国成人理想体重的计算方法()

A．身高(cm)-90

B．身高(cm)-95

C．身高(cm)-100

D．身高(cm)-105

E．身高(cm)-110

答案

参考答案：D

填空题

词汇运用

1. They ________(排成一队) to pass bricks!

2. The old lady ________(谋生) by selling newspapers.

3. Please come in；they don't charge ________(额外的钱).

4. I like her but I don't find her an ________(迷人的) woman.

5. Don't ________(打) the boy on the head with a stick.

6. Please ________(分类) these cards out according to their colors.

7. Although many scientists were against him.He ________(坚持)his theory.
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多项选择题

元数据的作用有（）。

A.方便查询、促进交易

B.促进数据交换与处理

C.方便资源的长期保存

D.准确唯一的标识出版物

E.提高图像清晰度
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