联合用药
普通感冒患者应用抗病毒药+抗生素属于
A.超剂量用药B.非适应证用药C.过度治疗用药D.超适应证用药E.有目的联合用药
参考答案:B
Harry is feeling uncomfortable. He _______too much at the party last night.
A.could drink
B.should drink
C.would have drunk
D.must have drunk
电源电压的变化对白炽灯的发光效率影响很大,当电压升高10%时,其发光效率提高()%。
A.10
B.17
C.37
D.5