中小型立式车床的立刀架上最多可以装______组刀具。A．3 B．4 C．5

A client is to have a cesarean delivery because of continuous vaginal bleeding and an abnormal fetal heart rate tracing. Which of the following would be the best preoperative medication for this client

A. Meperidine (Demerol).
B. Oxytocin (Pitocin).
C. Promethazine (Phenergan).
D. Glycopyrrolate (Robinul).

试比较开放型基金与封闭型基金的区别。

土地登记实行属地登记原则。( )

简述强碱液槽（Φ12*10M）焊接标准及验收。

焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。