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[audioFiles]audio_eufm_222(20104)[/audioFiles]A、Microwaves are strange electric
[audioFiles]audio_eufm_222(20104)[/audioFiles]A、Microwaves are strange electric
游客
2024-02-14
9
管理
问题
选项
A、Microwaves are strange electric waves.
B、Microwaves travel in straight lines and do not follow the curve of the earth’s surface.
C、There are not any wires to send microwaves.
D、We must amplify microwaves in relay stations.
答案
B
解析
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