根据《环境影响评价技术导则声环境》，在噪声源声級的类比測量中

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问题单项选择题

根据《环境影响评价技术导则声环境》，在噪声源声級的类比測量中，当声环境评价等级为一级时应满足（）要求。

A.准工程法

B.简易法

C.设计文件

D.工程法

答案

参考答案：D

句型转换

句型转换。

1. Li Ming has already finished his homework.（改为一般疑问句）

_____________ Li Ming _____________ finished his homework yet?

2. Both of the boys are good at basketball.（改为否定句）

______________ of the boys _____________ good at basketball.

3. Laura has never been to Hong Kong.（改为反意疑问句）

Laura has never been to Hong Kong, ____________ ___________?

4. Mr. Brown has taught in the school since 1990.（对划线部分提问）

_____________ _____________ has Mr. Brown taught in the school?

5. The twins came to China three years ago.（改为现在完成时态的句子）

The twins have _____________ _____________ China for three years.

填空题

次氯酸钠在酸性介质中（）强；（）弱。