四冲程非增压柴油机的气阀重叠角一般为()。
A、15-30度
B、25-50度
C、40-50度
D、80-130度
参考答案:D
髌骨软化症的肌力训练()
A.以训练阔筋膜张肌、股二头肌为主
B.以训练内收肌、半腱肌和半膜肌为主
C.以提高股四头肌训练为主,禁忌腘绳肌的等张肌力训练
D.重点增加股内侧肌肌力,减少伸膝时髌骨的外移或外旋
E.以提高腘绳肌肌力训练为主,禁忌股四头肌的等张肌力训练
用所给单词的适当形式填空。
1. The old lady has four (child).
2. My teacher tells two (story) in English every day.
3. We want a P.E teacher (teach) basketball.
4. If you want the job, you need (work) .late every night.
5. Do you want an interesting and (excited) job?