()的伤员属于轻伤员。
A.骨折及脱位
B.呼吸困难
C.擦伤
D.裂伤
参考答案:C, D
I've got to the position where I am _____ hard work [ ]
A. by this means
B. by all means
C. by no means
D. by means of
怎样区别陈茶和新茶?