硝苯地平在临床上用于
A.降血脂B.心律失常、急慢性心力衰竭C.阵发性心动过速、期前收缩D.预防和治疗冠心病、心绞痛和重症高血压E.阵发性心动过速和心绞痛
参考答案:D
To many foreigners, Guangzhou has become their hometown.
A. two B. second C. the second
下列程序的运行结果是( )。 #include classA { inta; public: A(){a=0;} A(){intaa} {a=aa; cout< } }; voidmain() { Ax,y(2),z(3); cout< }
A.00
B.23
C.34
D.25