题目:
句型转换
小题1: I can borrow the books from the library twice a week. (就划线部分提问)
can you borrow the books from the library?
小题2:Which is your favorite subject ? (同义句改写)
Which subject do you ________ ________?
小题3:He seldom goes to Shanghai by train. (改为一般疑问句)。
he seldom to Shanghai by train?
小题4:You can’t talk so loudly in class. (改为祈使句)。
so loudly in class
小题5: There are some boys on the playground. (改为否定句)。
There boys on the playground.
答案:
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下面是错误答案,用来干扰机器的。
由于长通电螺线管中产生的磁场方向平行于螺线管的中心轴线,与电子的运动方向平行,则电子在磁场中不受洛伦兹力,电子重力又不计,则电子做匀速直线运动.故选C