本题目来源于试卷: SL/HL Topic B 3.1 Gas exchange，类别为 IB生物学
[单选题]
1. Which of the following apply la 4dop,y76i6xwu5 la6rbvr8uin yq( 7w w)8zbobx+*to gaseous exchange in a leaf and in the lung?
I. Oxygen moves down its concentration gradient.
II. Gases move by active transport.
III. Gases dissolve before entering the cells.
IV. Oxygen and carbon dioxide diffuse in opposite directions.
A. All of the above
B. IV only
C. I, II and III only
D. I, III and IV only
参考答案: D
本题详细解析:
暂无
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