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问题 单项选择题

在项目的大气影响评价中，在利用高斯扩散模式进行环境空气质量预测时，有风指的是离地面高度( )处的风速≥( )。

A．10m，0.5 m/s B．1 m，1.0m/s
C．10m，1.5m/s D．1 m，0.5 m/s

答案

参考答案：C

填空题

暑期夏令营里来自中、英两国的小朋友面对下列题目各自有不同的麻烦，你来帮助他们写出合适的单词吧!

1. They are __________(搜查) the forest for the missing boy.

2. Daniel is the most ____________(勤勉的) boy.

3. Mr Green closed the door _________ and left, so nobody noticed him.

4. It is so dark at night that we cannot see ___________(任何人).

5. You can borrow books from the school library ,but you should _________them on time.

6. The bats(蝙蝠) always sleep in the __________and go out for food at night.

7. His grandfather _________(死) five years ago.

8. Would you like to __________ on the moon some day?

9. Look! A snake is moving towards us . It is very__________ .

10. When you leave , you should _________ to turn off the lights.
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判断题

买入并持有策略是积极型的长期再平衡方式，适用于有长期计划水平并满足于战略性资产配置的投资者。（）
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