题目内容

肺通气是指( )

A. 肺与血液的气体交换
B. 外环境与气道的气体交换
C. 肺与外环境的气体交换
D. 外界O2进入肺的过程
E. 肺内CO2出肺的过程

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呼吸的全过程包括、、和四环节。

Task 4Directions: The following is a list of terms used in Safety Management. After reading it, you are required to find the items equivalent to (与…等同)those given in Chinese in the table below. Then you should mark the corresponding letters in order of the numbered blanks, 53 through 57, on the Answer Sheet.

申请原因：提高自己的阅读与沟通能力。

1. What are the great scientists’name in the vide?