ZY(J)6型电液转辙机锁闭柱与锁闭杆缺囗两侧的间隙外锁闭为()。
A、1.5mm
B、1.5mm±0.5mm
C、2mm
D、2mm±0.5mm
参考答案:D
Fill in the blanks with the right forms of the given words. 用所给单词的适当形式填空。
1. A rabbit (have) four feet.
2. The Chinese team (win) the game last week.
3. Mr Smith is (sit) in a chair.
4. I know some famous Chinese (story).
5. What's (happen) when you arrive home?
6. Danny (fall) from a tree yesterday.
7. There (be) some milk, some apples in the kitchen.
8. My bag is (big) than your bag.
9. I want to call (me) family in China.
10. Mrs Smith has (make) noodles for you.
关于颞下颌关节紊乱病,叙述错误的是
A.是一组疾病的总称,多发于20~30岁的青壮年
B.多因素理论被多数学者认同
C.临床上三大主要症状为:下颌运动异常、自发性疼痛、弹响和杂音
D.本病有自限性,一般不发生关节强直
E.以保守治疗为主,遵循一个合理的合乎逻辑的治疗程序