It’s necessary to have some knowledge for this job.A. electric B. electrical C. electron D. electricity 【查看更多】

 

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It’s necessary to have some____ knowledge for this job.

A. electric             B. electrical    C. elctron              D. electricity

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1-5 ABBDB   6-10 BBAAB   11-15 BBDBB   16-20 BABCB


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