车钩三态作用不良的主要表现有:钩锁提不起来,钩锁锁不住,以及()。
参考答案:钩舌全开不足
用所给单词的正确形式填空。
1. The problems between the countries should be dealt with (peace).
2. His bike was broken. He had it (repair) just now.
3. As students, we shouldn't lose (we) in the computer games.
4. His aunt has just had her (four) birthday.
5. The man (call) himself Tom asked you for a holiday.
6. There's a lot of homework every day and I have no (choose) but to do it.
7. This film is (interesting) I have ever seen. I don't like it at all.
8. (learn) dancing well, I need much more practice.
9. When she heard the bad news, the expression of (happy) appeared on her face.
10. I'll do it much better if I (give) another chance.
鼓风机在低速时负载转矩很小,升速时间可以快些,但随着转速的增加,负载的转矩增大较多,升速过程应减缓一些,采用()升速方式比较适宜。
A.正弦方式
B.线性方式
C.S形方式
D.半S形方式