去甲肾上腺素与α受体结合产生的效应是（）
A.小肠平滑肌收缩
B.血管收缩
C.瞳孔缩小
D.汗腺分泌
E.心脏活动减弱
参考答案：B
To have a balance between study and a social life I’m going to join a few clubs. ______I’ll make some new friends.
A．Hopefully
B．Obviously
C．Fortunately
D．Especially
哪些属于5-FU治疗的新进展()
A．时辰给药
B．每日静点4小时
C．每日持续输注24小时
D．先用CF后5FU增效
E．先用5FU后加CF解毒
