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1. : chair with large wheels for the use of sb. unable to walk
2. : very bright; splendid; causing admiration
3. : illness; disorder of body or mind or of plants
4. : no more; no longer; not…any longer
5. : resemble(esp. a parent or relation ) in features or character
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plants can make food from air, water and sunlight. Animals and men can't make food from air, water and
sunlight. Animals get their food by eating plants and other animals. Therefore, animals and men need plants
in order to live. This is the reason why we find so many plants around us.
If you look carefully at the plants around you, you will find that there are many kinds of plants. Some
plants are large while others are small. Most plants are green.
Some plants have many small leaves. Others have only a few. There are many kinds of leaves. Leaves
are of different shapes and colors.
Leaves are also different in other ways. Some leaves have long thin parts at the end, we call them leaf
stalks, some have short leaf stalks, others even have no leaf stalks. The leaf edges are also different. Some
leaves have smooth (平滑) edges. Some have wave-shaped edges. Others have edges like the teeth of
a saw. (锯子)

B.

C.

D.

B. men can't live without plants
C. we can see so many plants around us
D. animals eat plants as their only food
B. all leaves have smooth edges
C. plants are different in shapes but have the same color
D. leaves are different in shapes and colors
B. 叶纹
C. 叶柄
D. 叶尖
B. plants are important and they are quite different
C. plants are more important than air, water and sunlight
D. why we find so many plants around us