台阶和沟槽的（）要求与工件的侧面和底面平行，或成某一倾斜角。A.形状精度 B.位置精

阅读理解。

     Now children can do many nice things after school. They can read books, ride bikes, watch TV and

play games. But boys like playing ball games best.

     The children near my door often play football in the garden, and sometimes they break (打破) my

windows. One Saturday afternoon I stay at home and read a book. After a few minutes, I close my eyes

and go to sleep. Suddenly (突然) a sound (声音) at the door wakes me up. Soon a little boy comes in.

     " Not one of my windows again?"

     " Oh, no!" answers the boy. " Your window is open this time and our ball is in your bedroom. May I

get it, please?"

1. The boys like _____ best after school.

A. reading books

B. riding bikes

C. watching TV

D. playing ball games

2. The boys _____.

A. often play with me

B. often play football in my house

C. often come to my house

D. sometimes break my windows

3. One Saturday afternoon I _____.

 A. read at home

B. see the boys playing football

C. read a book in the garden

D. play games with my son

4. The little boy comes to my house to _____.

A. get his ball

B. play with me

C. mend (修理) my window

D. break my window

5. Which of the following is not true?

A. The ball comes into my house through my window.

B. The boys often play football in the garden.

C. My house is near the garden.

D. The boy near my door break my windows every day.

分析西方古代建筑结构技术的演变。

上横担时，应检查横担腐朽锈蚀情况，检查时安全带应系在（）上。

A.主杆

B.铁横担

C.杆顶

D.陶瓷横担

某工程直接工程费为800万元，措施费为30万元，间接费费率为12%，利润率为4%，综合计税系数为3.41%，以直接费为基础计算建筑安装工程费，该工程的建筑安装工程含税造价为( )万元。

A．858.30
B．961.30
C．996.78
D．999.75

枯痔钉疗法的适应证是：

A．各期内痔及混合痔的内痔部分
B．静脉曲张性外痔
C．血栓外痔
D．各种痔
E．仅用于外痔