The earth is about 4,600 million years old. Modern man has lived on the earth for only 35,000 years, but during that time, we have changed our planet(行星) in many ways. Many of the things that we have done are good, but more are not good for the earth.
Water pollution
A lot of people, birds and fish die each day because of water pollution. Factories have polluted the land and the water. As a result, many rivers and lakes are now dead.
Air pollution
In big cities, factories, as well as cars, trucks and buses are the main cause of air pollution. Many people in cities now have serious health problems. For example, Mexico city used to be a beautiful sunny capital, but today it is always covered by thick brown clouds.
Soil pollution
In order to have a good harvest(收成), most of the farmers use chemicals (化学的)too much in their fields. That’s bad for the soil. But this kind of pollution is difficult to stop.
Hope for the future
These problems are very serious for our future, so all of us should do something to improve our environment. If we can stop pollution, our planet will become more and more beautiful and our health will be better. Let’s be greener people!
1._____ have made the earth change a lot.
A. Human beings B. Animals
C. Plants D. People in other planets
2.There are _____ kinds of pollution in this passage.
A. two B. three
C. four D. five
3.Pollution isn’t a big problem now, is it?
A. Yes, it is. B. No, it isn’t.
C. Yes, there is. D. No, there isn’t.
4.Which sentence is NOT right according to the passage?
A. Because of water pollution, many rivers and lakes are now dead.
B. We must stop the factories from pouring waste water into the rivers and lakes.
C. Most of things that we have done are good for our planet.
D. Water pollution is very serious nowadays.
5.Which sentence is RIGHT?
A. Though Mexico city is always covered by thick brown clouds, it’s still a beautiful sunny capital.
B. Air pollution can make people sick.
C. Now fewer farmers use chemicals in the fields.
D. Factories, cars, trucks and buses are the main cause of soil pollution
Life in the 21st century will be different from that in the 20th century, because many changes in the new century, what will the changes be?
First, the population(人口) is growing very fast. There more and more people in the world and most of them will live longer than before.
Computers will be smaller and more useful, and there will be one in every home. And computer studies will be one of the most important subjects in schools.
Second, people will work hours than they did in the 20th century, and they’ll have more free time for sports, TV and traveling. Traveling will be even cheaper and easier. And more people will go to other countries for holidays.
Third, there will be changes in our food, too. People will use more land new towns and houses. Then there will be less room for cows and sheep, so meat will be more expensive. Maybe no one will eat it every day, instead, they will eat more vegetables and fruit. Maybe people will be .
Last, work in the future will be , too. Robots will do the dangerous and hard work. Because of this, many people won’t have enough work to do. This will be a problem.
1.A.take place B. take the place C. will happen D. took place
2.A.but B. and C. so D. or
3.A.will be B. will have C. are D. have
4.A.very B. quite C. much D. too
5.A.at most B. at least C. more than D. less than
6.A.few B. little C. less D. fewer
7.A.watch B. watching C. see D. seeing
8.A.build B. builds C. to build D. for build
9.A.unhealthy B. health C. healthiest D. healthier
10.A.dangerous B. difficult C. different D. the same
I hope my father ask me about my marks.
A. not B. not to
C. won’t D. don’t
There are people in the park today than yesterday because it’s raining heavily.
A. little B. less C. few D. fewer
--My spoken English is poor.
-- That’s easy. Practise it as much as possible.
A. speak B. speaks
C. speaking D. to speak
Planting the trees us ten hours last Saturday.
A. cost B. took C. spent D. takes
