单项选择题

A tree sucks up water through its ______.

A．roots
B．leaves
C．trunk
D．branches
<上一题 目录 下一题>
热门 试题

单项选择题
During its growth, how much of the water from the soil does the tree give off into the air through its leaves
A．About ninety-nine percent.
B．About one percent.
C．About nine-tenths.
D．About one -ninth.
单项选择题
From the passage, we can conclude that ______.
A．all trees give off the same amount of water into the air
B．the larger a tree is, the less water it will give off into the air
C．different kinds of trees give off different amount of water into the air
D．trees of the same kind give off different amount of water into the air
相关试题