跟骨牵引的使用哪一项是正确的:
A.适合于下肢的大部分骨折
B.尤其适合腓骨骨折
C.穿针点应由外向内
D.牵引量3~5公斤
E.不易发生骨感染
参考答案:D
.The girl began to _____the piano when she was young.
A.practise to play
B.practise playing
C.practise to be played
D.practise play
选拔领导人才是领导者做好用人工作的重中之重。 ( )