题目内容

电磁污染指天然的、人为的各种电磁波的干扰及有害的电磁辐射。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

The children ________their homework at 8 o'clock in the evening.

A. do
B. are doing
C. did
D. does

We _______Tom at the moment.

A. are meeting
B. met
C. to meet
D. is meeting

I _______ London 10 years ago.

A. moved to
B. am in
C. am going to move to
D. move to

At presentI_____ hard for the better future.

A. am working
B. work
C. to work
D. worked