句型转换，根据要求完成句子。

1. To work in a school is very interesting. (同义句)

    ______ ______ very interesting to work in a school.

2. Don't worry too much about your exam. (同义句)

    Don't ______ ______ too much about your exam.

3. We maybe make our friends and family unhappy. (对画线部分提问) 

    ______ ______ you maybe make your friends and family?

4. The headmaster saw the children playing on the playground. (变成复合句)

    The headmaster saw the children ______ ______ on the playground.

5. Did he come up with a great idea? (同义句)

   ______ he ______ a great idea?

按体温高低可将发热分为4类，中度发热是

A．≥41℃

B．39～41℃

C．39～40℃

D．38．0～38．9℃

E．＜38℃