红外线测温仪主要对电缆线路（）部位进行测温。 A.事故高发和可

搜题请搜索小程序“爱下问搜题”

问题单项选择题

红外线测温仪主要对电缆线路（）部位进行测温。

A.事故高发和可疑缺陷

B.绝大多数

C.所有

答案

参考答案：A

填空题

根据句意，用括号内所给词的适当形式填空。

1. She sees a film ________ (one) a month.

2. Tom was ________ (illness) yesterday, so he didn't go to school.

3. Doing exercise can help us stay ________ (health).

4. Li Hua had a ________ (quickly) breakfast and then went to work.

5. Don't ________ (worried) about your English. I can help you.

填空题

如图所示，体积为1×10^-³米³、密度为2×10³千克/米³的物体A静止在水中，它的质量为________千克，受到的浮力为________牛，浮力与重力的合力的方向________。