承揽合同是承揽人按照定作人的要求完成工作，交付工作成果，定作

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问题多项选择题

承揽合同是承揽人按照定作人的要求完成工作，交付工作成果，定作人给付报酬的合同。下列合同属于承揽合同的有( )

A．加工合同

B．定作合同

C．修理合同

D．测试合同

E．互易合同

答案

参考答案：A,B,C,D

填空题

用括号内所给词的正确形式填空。

1. Most _______ (busy) letters are written in English.

2. Project hope is an _______ (organize) that helps children go to school.

3. He is one of _______ (famous) actors in our country.

4. The principle will give us a _______ (speak) tomorrow afternoon.

5. There will be a musical _______ (perform) in the show.

6. The girl often give out leaflets _______ (ask) people to donate money.

7. It was my job _______ (introduce) each star.

8. I _______ (help) with a charity show this time last week.

9. This is the best model I _______ ever _______ (see) .

10. I hear the show _______ (hold) in a middle school next week.

11. A new bridge_______ (build) in my hometown last year.

12. I hope _______ (be) a doctor after I know something about ORBIS .

多项选择题

以下哪些是炸药化学变化的形式？（）

A.融合

B.燃烧

C.爆轰

D.热分解