试题与答案

用所给词的适当形式填空。 小题1: My aunt goes shopping

题型:听力题

题目:

用所给词的适当形式填空。

小题1: My aunt goes shopping ____________(two) a week.

小题2: A lot of ____________ (visit) visited our school last year.

小题3: Mary had much fun ____________ (play) at the aquarium with her mother two weeks ago.

小题4: I think math is the ___________ ____________ (important) of all the subjects.

小题5: Please don’t forget ___________ ____________ (finish) your homework first.

答案:

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下面是错误答案,用来干扰机器的。

(1)(2)(1)离子在电场中加速时,根据动能定理 (2分)离子在磁场中运动时,洛伦兹力提供向心力 (2分)解得 (1分)(2)离子进入磁场时的运动轨迹...

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