用反证法证明“如果$a>b$，那么$\sqrt[3]{a}>\sqrt[3]{b}$”时，假设的内容应是（   ）

According to a recent survey, ______ three fifths of working mothers in china don't want to have a second child.

为下列问句选择正确的答语。

____ What are your hobbies?

____ Does she go to work by bus?

____ What are his hobbies?

____ Does Jim live in Shanghai?

____ Do you like listening to music?

____ What are you going to do this afternoon?

____ How does your father go to England?

____ Where's your home?

____ Is your mother an English teacher?

____ Are you going to the Great Wall next week?

A. Yes, she does.

B. No, she isn't. She is a math teacher.

C. He likes swimming and playing football.

D. I'm going to swim.

E. It's near the school.

F. He goes to England by plane.

G. I like reading stories and going hiking.

H. Yes, we are.

I. Yes, I do.

J. No, he doesn't.

        作文
       阅读下面文字，按要求作文。
      每个人在成长的道路上，或多或少地都曾被自己的一份成熟、一个进步、一次超越……感动。被自己感动，是美丽的起点；被自己感动，是精神的升华。
      请以“被自己感动”为题目，写一篇600字至800字的文章。立意自定，文体自选。

通电直导线所受安培刀的方向与磁场方向、电流方向的关系，下列图示中正确的是（   ）