正常房室结()
A.只具传导性
B.既有传导性又有自律性
C.位于房间隔的右后下部,三尖瓣附着部的上方
D.血供通常来自右冠状动脉
E.血供通常来自左冠状动脉
参考答案:A, C, D
(2014·江苏四校第四次考试)It’s said that there are a large variety of coats in the store.It________be easy for you to find a suitable one.
A.can
B.need
C.shall
D.should
全新迈腾轿车蓄电池紧固螺栓的扭紧力矩是()
A.20N.m
B.15N.m
C.10N.m
D.6N.m