Alllivingthingsontheearthneedotherlivingthingstolive.N...
问题详情:
All living things on the earth need other living things to live. Nothing lives alone. Most animals must live in a group, and even a plant grows close together with others of the same kind. Sometimes one living thing kills another, one eats and the other is eaten. Each kind of life eats another kind of life in order to live, and together they form a food chain. Some food chains are simple, while others are not. But all food chains begin with the sun, and all food chains become broken up if one of them disappears.
All life needs sunlight to live on. But only plants can use sunlight directly. Plants are “factories”. They make food from sunlight, water and things in the soil and air.
Plants feed all other living things. Animals can only use the sun’s energy after it has been changed into food by plants. Some animals feed directly on plants, others eat smaller animals. Meat-eating animals are only eating plants indirectly.
What about human beings? We are members of many food chains. We eat wheat, rice, vegetables, fruits and so on. We watched a display show. It was exciting. We also eat meat and drink milk. But men often break up the food chain. They kill wild animals. They also make rivers, lakes and seas dirty. When these rivers, lakes and seas are polluted, the fish in them can not be eaten. If men eat the fish, they will get strange diseases.
Each form of life is linked to all others. Breaking the links puts all life in danger.
1. How does every living thing on the earth live?
A. Each plant can live alone.
B. Each animal can live alone.
C. If living things want to live, they must kill each other.
D. Every living thing on the earth cannot live without others.
2. Which living things can use the sun’s energy directly?
A. Animals.
B. Plants.
C. Both animals and plants.
D. All living things.
3. What do plants make food from? They make food from __________________
A. sunlight, water and things in the soil and air.
B. water, sunlight and things in the air.
C. water and things in the soil and air.
D. water, sunlight and things in the soil.
4. Who often break up the food chains?
A. Human beings.
B. Animals
C. Plants and animals.
D. Men and wild animals.
5. Which of the following do you think is the best title for this passage?
A. Animals B. Plants.
C. Food Chains. D. Living things.
【回答】
DBAAC
知识点:阅读表达
题型:阅读理解
-
下列与实验相关的叙述正确的是 A.稀释浓硫*时,应将蒸馏水沿烧杯内壁缓慢地注入浓硫*中B.配制溶液时,若加水...
问题详情:下列与实验相关的叙述正确的是 A.稀释浓硫*时,应将蒸馏水沿烧杯内壁缓慢地注入浓硫*中B.配制溶液时,若加水超过容量瓶刻度,应用胶头滴管将多余溶液吸出C.配制1mol·L-1300mLNaCl溶液可以选择一个50mL的容量瓶和一个250mL的容量瓶D.可以用右图装置进行*气的...
-
设复数(是虚数单位),则复数的虚部为( )A. B. C. ...
问题详情:设复数(是虚数单位),则复数的虚部为( )A. B. C. D.【回答】B知识点:数系的扩充与复数的引入题型:选择题...
-
(1)观察下图,请将下列国家的英文字母代号填入答题卡图中对应的方框内。早期殖*家:A.葡萄牙 B.英国(2)...
问题详情:(1)观察下图,请将下列国家的英文字母代号填入答题卡图中对应的方框内。早期殖*家:A.葡萄牙 B.英国(2)仔细观察该图,据图指出奴隶贸易的主要集运地的分布特点。【回答】 (1)上框B,下框A。(2)主要分布在非洲西海岸和东海岸。知识点:血腥的资本积累题型:综合题...
-
一个质量为4kg的物体静止在足够大的光滑水平地面上.从t=0开始,物体受到一个大小和方向周期*变化的水平力F作...
问题详情:一个质量为4kg的物体静止在足够大的光滑水平地面上.从t=0开始,物体受到一个大小和方向周期*变化的水平力F作用,力F的变化规律如图所示.则( )A.t=2s时物体沿负方向运动的位移最大B.t=4s时物体运动的位移达最小值C.每个周期内物体的速度变化为一定值D.从t=0开...
相关文章
- 阅读理解Thefollowingisatraveladvertisement.YangZhouChinaTr...
- 根据句意及首字母提示填写单词。1.Ilikelivinginthecountryside.Theairther...
- Generally,students'innermotivationwithhighexpectationsf...
- --I'mgoingtogiveatalkontheDragonBoatFestivaltotheexchan...
- 阅读理解。Thefollowingisatraveladvertisement. Beijingisthepl...
- It'slateeveninginthemiddleofthewinter.Thesnowisdeep,but...
- Iliveinacity,andIlikequietlife.Ihatenosy(爱管闲事的)neighbor...
- TheBigBrotherinthenovel1984listenstoeverythingandnothi...
- Forthosewhostudythedevelopmentofintelligence(智力)inthean...
- Generally,students’innermotivationwithhighexpectations...