生物碱类药()抗代谢药物()烷化剂抗肿瘤药物有()
A.长春新碱
B.氮芥
C.三苯氧胺
D.5-FU
E.羟基脲
参考答案:A,D,B
Which of the following is true of the Glomar Challenger
A.It is a type of submarine.
B.It is an ongoing project.
C.It has gone on over 100 voyages.
D.It made its first DSDP voyage in 1968.
润滑油过滤器在使用期前应检查双联三通的切换装置是否良好。