单选题 A plant makes its own food in its leaves. Water comes to the leaves through the roots. Air gets into the leaves through very small holes. The green coloring(叶绿素) in the leaves uses the water and air to make the food for the plant. It also needs sunshine because a plant can make food only when the sun is shining.
Animals and people could not live without green plants. They both eat plants. People and some animals also eat the meat of some animals and these animals eat plants.

单选题 A plant gets food from ______.

A. the sun
B. its leaves
C. its roots

A
B
C
D

【正确答案】 B

【答案解析】[解析] 从A plant makes its own food in its leaves. 可知，植物的叶子可以吸收养分，维持植物生长，B符合题意，故选B。

单选题 What things can make the food for a plant?

A. Sunshine, water, air and the roots.
B. Air, sunshine, water and green coloring.
C. Water, air, meat and green coloring.

A
B
C
D

【正确答案】 B

【答案解析】[解析] 从第一段的叙述可知，植物体内的叶绿素利用阳光，把水分和空气转变成植物必需的营养成分，所以制造食物必须有叶绿素、阳光、空气和水分，故选B。

单选题 A plant has very small holes in its leaves ______.

A. for air to come in
B. for water to come in
C. for sunshine to come in

A
B
C
D

【正确答案】 A

【答案解析】[解析] 从Air gets into the leaves through very small boles. 可知，植物体上的小孔可以吸收空气，故选A。