2004年7月1日起，我国全部实现GMP条件下生产的是：（）
A.药品制剂
B.中药
C.原料药
D.药品制剂和原料药
参考答案：D
塑料护套线是一种具有塑料保护层的双芯、多芯的绝缘导线，具有（）等性能。
A．防潮
B．耐酸
C．价格低廉
D．耐腐蚀
These students will graduate from college next summer, by which time they
in college for four years.
A．have studied
B．had studied
C．will have studied
D．will be studying
