潮气量是指（）吸入或呼出的气量。
A.运动时
B.平静时
C.最大呼吸时
D.最小呼吸时
参考答案：B
解析：潮气量是指平静呼吸时每次吸入或呼出的气量。
Because the children keep interrupting her whenever she reads a book, she is always _____ her place.
A．loosing
B．missing
C．losing
D．looking for
