能在架空线路或在空中金属管道上产生沿线路或管道的两个方向迅速

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问题单项选择题

能在架空线路或在空中金属管道上产生沿线路或管道的两个方向迅速传播的雷电冲击波的雷电类型是( )

A．直击雷和感应雷

B．球雷和直击雷

C．球雷和感应雷

D．直击雷、球雷和感应雷

答案

参考答案：A

阅读理解

阅读理解。

Look at the girl, she is eleven. Her name is Wang Fang. I am eleven, too. My name is Kate. Wang

Fang and I are good friends. She is in Class One, Grade One. She is Number 8 in Row 5. I am in Class

One, Grade One, I am Number 9 in Row 6. We are at school today.

1. How old is Wang Fang?

A. She is eleven.

B. She is twelve.

C. She is ten.

2. Wang Fang and I are _____.

A. girls

B. boys

C. teachers

3. What grade are Wang Fang and I in?

A. Grade One.

B. Grade Two.

C. Grade Three.

4. Wang Fang is my _____..

A. good teacher

B. good friend

C. brother

5. Where are Wang Fang and I today?

A. At school.

B. At home.

C. Here.

名词解释

今以躁竞之心，涉希静之涂。（希）