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单项选择题

The second paragraph uses facts to develop the essential idea that ______.
A．a plant efficiently utilizes most of the water it absorbs
B．carbon dioxide is the essential substance needed for plant development
C．a plant needs more water than is found in its composition
D．the stronger the wind, the more the water vapor loss
相关考题

单项选择题 A growing plant needs water for all of the following EXCEPT ______.

单项选择题 This passage is mainly about ______.

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