三尖杉酯碱可用于( )。

A．急性粒细胞性白血病
B．慢性粒细胞性白血病
C．睾丸癌
D．绝经后晚期乳腺癌
E．绒毛膜上皮癌

If the life raft capsizes,all personnel should leave the raft and（）.

A.climb onto the bottom

B.swim away from the raft

C.right the raft using the righting strap

D.inflate the righting bag