题目内容

同步检波电路中,同步信号必须与调幅信号的载波严格同频同相。

A. 对
B. 错

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The _____ conference which I attend every year is going to be held in London in January next year.

A. annoy
B. avenue
C. annual
D. angry

According to the terms of your _____, you must give three months’ notice if you intend to leave this company.

A. connection
B. contract
C. communication
D. contrast

We were honored that so many people of _____ and talent were present to discuss the issues.

A. exception
B. competition
C. invention
D. distinction

The local government has been providing _____ support to them, without which they couldn’t have been so successful.

A. substantial
B. harsh
C. odd
D. insane

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