为了保证曲轴在运动中所需的压力油,多在曲轴内钻有()。
A.曲轴颈
B.通油孔
C.曲柄轴颈
D.键槽
参考答案:B
阅读理解:
Dear Mr. Wang, Someone comes to the office to see you in the morning, but you and your wife are out. He comes here at 10am. Because he is very busy, he goes away half an hour later. He tells me that he is your classmate at college(大学). Now he teaches Chinese in a high school(高中) in this city and he lives near the No. 6 Middle School. He is a very tall man with short hair. He wears a pair of glasses. He tells me his telephone number is 33426685. He is often at home at 7:00 pm. So you can call him in the evening.
1. The author(作者) writes this note(便条) to _____.
A. Mr. Wang
B. Mr. Wang’s wife
C. Mr. Wang’s classmate
D. me
2. Mr. Wang’s classmate is _____.
A. a teacher
B. a worker
C. a farmer
D. an actor
3. When is Mr. Wang’s classmate often at home?
A. In the morning
B. In the afternoon.
C. At 7:00pm.
D. We don’t know.
4. How long does Mr. Wang’s classmate stay in the office?
A. Ten hours.
B. An hour.
C. Two hours.
D. Half an hour.
5. Which of the following is TRUE?
A. Mr. Wang and his wife are classmates.
B. Mr. Wang’s classmate is short.
C. Mr. Wang goes out with Mrs. Wang in the morning.
D. Mr. Wang’s classmate meets Mr. Wang in the morning.
在工程量清单计价规范中规定,电器配管工程不应包括的工程内容有( )。
A.管内穿线
B.钢索架设
C.支架制作
D.接线盒安装