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课题 七年级上册U4讲义
U4单词
U4 system / s st m/ 系统
U4 file /fa l/ 档案
U4 amazing / me z / 令人大为惊奇的
U4 planet / pl n t/ 行星
U4 billion / b lj n/ 十亿
U4 cover / k v / 覆盖
U4 area / e ri / 地区，地域
U4 freezing / fri z / 极冷的
U4 north /n θ/ 北方
U4 pole /p l/ 极
U4 desert / dez t/ 沙漠
U4 metre / mi t / 米
U4 reach /ri / 足够达到
U4 grain /ɡre n/ 谷粒
U4 wide /wa d/ 宽阔的
U4 whale /we l/ 鲸
U4 butterfly / b t fla / 蝴蝶
U4 provide /pr va d/ 提供，供应
U4 explore / k spl / 探索
U4 disappear / d s p / 消失
U4 plastic / pl st k/ 塑料
U4 pollution /p lu n/ 污染
U4 protect /pr tekt/ 保护
U4 chemical / kem k l/ 化学制品
U4 groundwater / ɡra nd w t / 地下水
U4 burn /b n/ 燃烧
U4 oil / l/ 石油
U4 gas /ɡ s/ 天然气
U4 harmful / hɑ mf l/ 有害的
U4 website / websa t/ 网站
U4 own / n/ 自己的
U4 emperor / emp r / 皇帝
U4 hunt /h nt/ 打猎
U4 war /w / 战争
U4 sandstorm / s ndst m/ 沙暴
U4 solution /s lu n/ 解决办法
U4 blow /bl / 刮，吹
U4 generation / en re n/ 一代人
根据首字母填空，每空限填一词。（满分10分）
This film is a____________, so we all love it.
He lives in Beijing. Beijing is in the n____________ of China.
Harbin is a very f____________ place.
Our school p____________ us with delicious lunch every day.
It’s my o____________ house. You can’t come in.
CO2 is h____________ gas.
We need to find a s____________ to solve the problem.
The wind b____________ gently in spring.
Earth is our home and the only p____________ we know that supports life.
In Tang Dynasty, e____________ had strong power.
U4词组记忆
U4 solar system 太阳系
U4 fact file 事实档案
U4 be covered by 被……覆盖
U4 as far as we know 据我们所知
U4 sea level 海平面
U4 what's more 更重要的是
U4 provide...with... 提供，供应
U4 plastic pollution 塑料污染
U4 cut down 砍到
U4 hundreds of 数以百计
U4 blow away 吹走
这片土地被垃圾覆盖了。
The land_____________ _____________ _____________rubbish.
更为重要的是，我们应该每天早起。
_____________ _____________, we_____________ get up early.
这个饭店为穷人提供免费的午餐。
The _____________ _____________ the poor _____________ free lunch.
人们总是砍倒树木来制作产品。
People always_____________ _____________ trees to produce things.
大风吹走了小树苗。
Strong wind _____________ _____________young trees.
到处都是塑料污染，我们应该保护地球。。
There ___________ ___________ _____________everywhere, and we should protect our earth.
这个酒店将会给我们提供热水。
The hotel_____________ _____________us_____________hot water.
阅读强化
阅读A
The Earth is about 4,600 million years old. People live on Earth for only 35,000 years. But we change (改变) the Earth in many ways. Many things we do are good, but some are not good for the Earth.
Water pollution
A lot of people, birds and fish die each day because of water pollution. Factories pollute the water. As a result, the water in many rivers and lakes is now very dirty.
Air pollution
In big cities, factories, cars and buses are the main causes (原因) of air pollution. Many people in cities now have health problems. For example, Mexico used to be a beautiful sunny capital, but today there are many clouds in the sky. And many people get ill because of the polluted air.
Soil (土壤) pollution
In order to have a better harvest（收获）, some farmers use chemicals (化学物质) in their fields. That' s bad for the soil.
Hope for the future
These problems are very serious(严重的) for our future, so all of us should do something to protect the environment. If we can stop pollution, the Earth will become more and more beautiful.
( )1. How old is the Earth
A. About 4,600 million years old. B. About 3,500 million years old.
C. About 4,800 million years old. D. About 3,700 million years old.
( )2. Which of the following make the Earth change a lot
A. Plants. B. People. C. Animals. D. Clouds.
( )3. There are_____ kinds of pollution in this passage.
A. two B. three C. four D. five
( )4. The writer wrote this passage to ask us to_______.
A. learn about the Earth B. thank the Earth C. clean the Earth D. protect the Earth
阅读B
The Earth goes around the Sun, and the Moon goes around the Earth. When our part of the Earth turns to the Sun, it's the day. When our part of the Earth turns away from the Sun, it is the night.
The Sun is much bigger than the Moon. But sometimes the Moon looks bigger than the Sun because it's much nearer to the Earth. The Sun is very bright. It gives very strong light. The Moon looks very bright too. But it doesn't give any light.
The Moon looks much bigger and brighter than the stars. But in fact, the stars are much bigger than the Moon. They look smaller than the Moon because they're much farther (更远的) away from us.
( )1. ______ goes around the Earth.
A. The Moon B. The Mars C. The Sun D. The star
( )2. When it is the night, _______.
A. we can't see any stars in the sky B. the Moon looks much smaller than the stars
C. our part of the Earth turns away from the Sun D. our part of the Earth turns to the Sun
( )3. Why does the Moon look bigger than the Sun sometimes
A. Because the Moon comes out only at night. B. Because the Moon is bigger than the Sun.
C. Because the Moon is far away from the Earth. D. Because the Moon is much nearer to the Earth.
( )4. We may read this passage in a_____.
A. storybook B. magazine C. cookbook D. comic book
U4书面表达
地球是我们的家园, 但是人们乱砍树木, 乱扔垃圾, 使我们的家园变脏, 空气质量变差。 我们应该保护地球。请你根据以下提示写一篇题为How to protect the Earth的短文。60词左右。
提示:
1. 不随地扔垃圾; 2. 种植更多的树木; 3. 尽量骑自行车或坐公交车。
How to protect the Earth
The Earth is our home, and we should protect it.
__________________________________________________________________
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七年级上册U4课后作业
朗读
How to protect the Earth
The Earth is our home, and we should protect it. We should stop polluting our Earth and try to make it clean. There are many ways to protect the Earth. First, I think we should not throw away rubbish everywhere. Second, I think we should plant more trees. Trees can make the air clean and make the world beautiful. Third, we should try to ride bikes or take buses. I think we should try our best to protect the Earth.
二．单项选择。
（ ）1.The ________of most trees will fall in autumn.
leaf B.leafs C.leaves D.leave
（ ）2.There are many________playing on the playground.
child B.children C.man teachers D.sheeps
（ ）3.There isn’t any_______in the fridge.We need to go shopping.
oranges B.milk C.eggs D.potatoes
三、完形填空
“Life flat” （躺平）is a very famous word around Chinese people now. In fact, it is bad for our health. It is important to stay healthy. But how can we stay healthy Here are some advice（建议） to____1____ you.
Eat healthy food. There are many different kinds of food in the world. You can have bananas, apples and oranges because____2____is good for you. Don’t have too much sweet food. It is bad for your teeth and makes you___3____. healthy food can make you strong and fit.
Do_____4___with friends or family. You can play football in the _____5___ after school with your classmates. You can go swimming or running at weekends. Sometimes you can’t go out because the weather is____6____. But you can still exercise. You can listen to music, sing and___7_____.
Eating healthy food and doing sports are not enough（足够的）. It is ___8_____to be happy too. When you are not happy, you can_____9___ with your friends or parents about it. You can also do something____10____like reading books or shopping.
Let’s do it and stay healthy.
( )1、A.ask B.help C.save D.send
( )2、A.milk B.meat C.fruit D.cheese
( )3、A.fat B.busy C.happy D.short
( )4、A.homework B.shopping C.cleaning D.sports
( )5、A.farm B.table C.playground D.chair
( )6、A.bad B.good C.warm D.cool
( )7、A.call B.dance C.sleep D.draw
( )8、A.difficult B.different C.special D.important
( )9、A.talk B.think C.walk D.enjoy
( )10、A.cheap B.expensive C.interesting D.dangerous
单词拼写
U4 系统 保护
U4 档案 化学制品
U4 令人大为惊奇的 地下水
U4 行星 燃烧
U4 十亿 石油
U4 覆盖 天然气
U4 地区，地域 有害的
U4 极冷的 网站
U4 北方 自己的
U4 极 皇帝
U4 沙漠 打猎
U4 米 战争
U4 足够达到 沙暴
U4 谷粒 解决办法
U4 宽阔的 刮，吹
U4 鲸 一代人
U4 蝴蝶 污染
U4 提供，供应 消失
U4 探索 塑料

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