可以对血管重构有改善作用的抗高血压药是
A.普萘洛尔B.可乐定C.卡托普利D.肼屈嗪E.氢氯噻嗪
参考答案:C
三条线段a=5,b=3,c的值为整数,由a、b、c为边可组成三角形( )
A.1个
B.3个
C.5个
D.无数个
What were you doing ________ the thief came in?
A. when B. while C. after