人们的共同的信念是人们共同活动的()。
A.认识基础
B.实践基础
C.思想基础
D.行为基础
参考答案:C
On hearing the news, he rushed out, and,_____ the dictionary lying open on the desk,
_ into the distance.
A.leaving; disappearing
B.left; disappeared
C.left; disappearing
D.leaving; disappeared
不适合治疗变异型心绞痛的是()
A.硝酸甘油
B.美托洛尔
C.硝苯地平
D.地尔硫
E.硝酸异山梨醇酯