闭合气量大于潮气量时说明（）
A.深呼气时有气道闭合
B.潮气呼吸呼气时有气道闭合
C.功能残气量不变
D.功能残气量下降
E.功能残气量增加
参考答案：B
启动Excel2003最简单的方法是双击Excel2003桌面快捷方式图标。
—I _____ agree with what he said. Actually I feel what he said is much to the point and makes
good sense.
—Yes, I think so. [ ]
A. absolutely
B. relatively
C. generally
D. basically
