舌活动部早期鳞癌（T1N0）原发灶外照射用() A.高能X(r)线 B.电子线 C.

用所给词的适当形式填空（10分）

1. This dog is very ______________(love) and I like it very much.

2. Who does ___________(good) in English, John or Mike?

3.I hope to spend two hours _______ (play) softball with him.

4.Students can have _________________ (drive) lessons in American schools .

5. At the ____________ (begin) of the trip, most of us felt bored.

6. My mother always cooks ___________  (taste) meals on Sunday.

7.It rained heavily yesterday, so my father         (drive) me to school.

8. The girls finished their work all by______________(them).

9.Yesterday we had a good time _______(chat)with each other.

10. I plan        ( go ) to Beijing for summer holiday next year .

扳吊塔设备时，塔设备的中心线，桅杆中心线、基础中心线和主扳及制动滑车组的合力作用线都应处在（）

A、同一直线上

B、均应与地面垂直

C、垂直于地面的同一平面内

D、相互平行

简述热脆产生的原因。

( )是确定、记录并分派项目角色、责任和互相通报的关系。

A．项目范围定义

B．编制组织计划

C．人员获取

D．队伍组建

曹禺