下列哪种情况不影响药物效应:
A.新生儿、老年人单一用药B.使用具有生物等效性药物C.单独应用安慰剂D.同类药物联合应用E.肝肾功能不全时用药
参考答案:B
—Did Betty go shopping with you yesterday?
—Even if she _____ a lot of studying, she would have preferred staying home to going shopping.
A.didn’t have
B.shouldn’t have
C.hadn’t had
D.hasn’t had
IP的址由()二进制数值组成。
A、16位
B、8位
C、32位
D、64位