下列说法中不符合光的反射规律的是[ ] A．入射角增加20°，

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问题选择题

下列说法中不符合光的反射规律的是[ ]

A．入射角增加20°，则反射角也增加20°

B．入射光线靠拢法线，则反射光线也靠拢法线

C．入射光线与反射面的夹角为30°，则反射光线与法线之间成60°

D．入射角为0°的入射光线没有反射光线

答案

答案：D

阅读理解

阅读理解，选择正确答案。

Today is May first. It is International Workers' Day. I don't go to school. I get

up at seven o'clock. I want to go to the zoo with my mother in the morning. In the

afternoon, I want to go to the movie theatre to watch a movie. In the evening, I want

to watch TV.

1. Today is _____.

A. International Workers' Day

B. Women's Day

C. Children's Day

2. —When do I get up?

—At _____.

A. 7:30

B. 7:00

C. 8:00

3. In the morning, I want to _____.

A. go to the park

B. go to the zoo

C. watch TV

4. In the afternoon,1 want to _____.

A. swim

B. go to the zoo

C. watch a movie

5. In the evening, I want to _____.

A. watch TV

B. read books

C. play basketball

判断题

生产系统的检查应在全厂同时进行，每年进行一次。