主机主轴承下瓦磨损不会引起（）发生变化。
A．曲轴臂距差
B．桥规值
C．轴承间隙
D．活塞与气缸间隙
参考答案：D
用括号中的词适当形式填空.
1. -Excuse me, Tony. Is this _______ ( you) notebook?
-Oh, yes. Thank you.
2. Please_______( call) me at 2058955.
3. 一Is that your pencil sharpener?
-No, it ________(be not). It's his pencil sharpener.
4. Is that your computer game in the ________(lose) and found case?
5. I have a set of_______(key).
( )可分为公募发行和私募发行两种形式。
A．发行市场
B．流通市场
C．股票发行
D．证券发行
