如果呼吸的潮气量减小50%,同时呼吸的频率增加1倍,其结果是( )。
A.肺的通气量增加
B.肺泡通气量不变
C.肺泡通气量增加
D.肺泡通气量减少
E.肺的通气量减少
参考答案:D
改错。
( ) 1. Which is the more interesting to you? _________________
A B C
( ) 2. Last Saturday, my mother took me in a bookstore. _________________
( ) 3. What are you read now? _________________
( ) 4. Tom can run fastest than Ann. _________________
( ) 5. This bear is biger than that one. _________________
我会选择正确的读音。(用“√”标出)
瘦削(xiāo xuē) 嗫嚅(rú xū) 瞥见(piē piě) 无奈(nài lài)