He was of having asked such a silly question.
A.sorry
B.shame
C.ashamed
D.regret
答案:C
吸气时进入肺泡进行气体交换的气量,称为().
A.潮气量
B.每分通气量
C.最大通气量
D.有效通气量
E.肺活量
审计人员选用审计方法时应注意哪些问题?