小儿桡骨头半脱位的诊断要点是（）
A.多发生于幼儿
B.局部明显肿胀
C.局部明显畸形
D.肘部疼痛
E.肘关节呈半屈曲
参考答案：A, D, E
_________ to his research, he spared no time to spend a weekend with us.[ ]
A. Devoting
B. Caught
C. Devoted
D. Lost
In the 1990s．a trip to Zhangjiajie cost less than 500 yuan，but now with the same amount of money you______even cover the entrance fee．
A．couldn’t B shall’t C．can’t D．won’t
