A、ITU Publications
B、The manufacturers instruction manuals
C、Part 90 of the FCC Rules and Regulations
D、Code of Federal Regulations，Title 47，Part 80，Subpart W
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A、wangwu#publiC.stA.sH.cn B、B.wangwu@publiC.stsH.cn C、C.publiC.stsH.cn@wangwu D、D.publiC.stsH.cn#wangwu
A、any appropriate channel except public communication B、any appropriate channel except for public communications C、any appropriate channel besides public communication D、any appropriate channel beside public communication
A、any appropriate channel except public communication B、any appropriate channel except for public communications C、any appropriate channel besides public communication D、any appropriate channel beside public communication
A、请根据下列材料写一篇150词左右的英语短文。 B、We cannot fail to notice that countless uncivilized behaviors exist in our daily lives, such as spitting, talking loudly, littering, saying nasty words in public places and so forth. What will you do in public?
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