肺通气量叙述中,“肺泡死腔与解剖死腔一起合称”属于()
A.生理死腔
B.解剖死腔
C.肺泡死腔
D.每分通气量
E.肺泡通气量
参考答案:A
下列一组按规律排列的数:2,4,8,16,32,…,这列数的第2010个数应是______.
In winter the small town is often _____ from the rest of the world. [ ]
A. cut up
B. cut down
C. cut off
D. cut in