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问题 单项选择题

无呼吸系统疾患的成人，使用呼吸机时气道压力最好为下列哪项（）。

A.≤10cmH2O

B.≤20cmH2O

C.≤30cmH2O

D.≤40cmH2O

E.≤50cmH2O

答案

参考答案：C

阅读理解

根据短文内容，选择正确答案。

      My name is Chen Jie. I have a new schoolbag. It's on the chair. It's black and white. There are nine

books in it. An English book, a Chinese book, a math book, three notebooks and three story-books. My

schoolbag is beautiful. I like it very much.

1. What colour is Chen Jie's schoolbag?

A. It's pink and black.

B. It's white and black.

2. How many story-books does Chen Jie have?

A. Nine.

B. Three.

3. Where is Chen Jie's schoolbag?

A. Under the desk.

B. On the chair.
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问答题 简答题

发展我国出版教育应遵循哪些正确思路？
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