单项选择题

A growing plant needs water for all of the following except ______.

A．forming sugars
B．sustaining actively growing parts as well as woody stems
C．absorbing mineral elements
D．taking in carbon dioxide from the air
<上一题 目录 下一题>
热门 试题

单项选择题
What does the author actually say about pronouncing foreign languages
A．There are not many people who are even fairly good.
B．Nobody is really an expert in the skill.
C．There are even some people who are moderately proficient.
D．Only a few people are really proficient.
单项选择题
The second paragraph uses facts to develop the idea that ______.
A．a plant needs more water than is found in its composition
B．a plant efficiently utilizes most of the water it absorbs
C．the stronger the wind, the more water vapor the plant loses.
D．carbon dioxide is the essential substance needed for plant development
相关试题