Question

话题

光合作用

文体

说明文

词数

89

限时

7分

正确率

%

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 colouring 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.

() 1. A plant gets food from .

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

() 2. What does the green colouring use to make the food for a plant?

   A. Sunshine,water,air and the roots. B. Air,sunshine and water.

   C. Water,air and meat. D. Water,sunshine and animals.

() 3. A plant has very small holes in its leaves for to come in.

   A. air   B. water   C. sunshine   D. green colouring

() 4. A plant can make its food when it is .

   A. cloudy   B. rainy   C. sunny   D. windy

() 5. People would die without .

   A. animals   B. meat   C. plants   D. leaves

Answer 1

1. B 2. B 3. A 4. C 5. C

[解析]文章说明了光合作用对植物和动物的作用。

1. B 根据文章内容 A plant makes its own food in its leaves.可知答案为   B.

2. B 根据文章内容 The green colouring 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.可知选 B0

3. A 根据文章内容 Air gets into the leaves through very small holes.可知答案为 A.

4. C 根据文章内容 It also needs sunshine because a plant can make food only when the sun is shining. 可知答案为   C.

5. C 根据文章内容 People and some animals also eat the meat of some animals and these animals eat plants.可知答案为   C.