题目内容

Business need a common language to ______________ communication.

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The boldfaced words below are from a lecture about English as a global language. Read each sentence. Write the letter of the word or phrase that is closest in meaning to the boldfaced word.

对于不同阻值的RX值,应选择不同量程,尽量使RX与RZ值()。

R×1量程的RX值,可以从欧姆标度上直接读出,其它量程的标度读数应乘以相应的倍率才是RX的值()

A. 对
B. 错

更换测量量程后,要进行“调零”后,再测量()。

A. 对
B. 错

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