If you want to sell your products, put a

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问题选择题

If you want to sell your products, put an _____ in the newspaper.[ ]

A. article

B. information

C. advertisement

D. service

答案

答案：C

选择题

I'd like to send this letter ______ England ______ air. [ ]

A. to; in

B. for; on

C. at; with

D. to; by

选择题

A．U=vBl，流过固定电阻R的感应电流由b到d

B．U=vBl，流过固定电阻R的感应电流由d到b

C．U=vBl，流过固定电阻R的感应电流由b到d

D．U=vBl，流过固定电阻R的感应电流由d到b