肌纤维传导速度的正常值大约是
A.3.6m/s
B.4.6m/s
C.5.6m/s
D.6.6m/s
E.7.6m/s
参考答案:B
解析:肌纤维传导速度的正常值大约是4.6m/s。
A cook will be immediately fired if he is found _____ in the kitchen. [ ]
A. smoke
B. smoking
C. to smoke
D. smoked
“佗舍去,妇稍小差”中的“稍”意思是()
A.渐渐地
B.稍微
C.一点儿
D.捎带
E.很快