根据短文内容，从短文后的选项中选出适当的选项补全短文。
The earth is about 4,600 million years old. We humans have lived on the earth for only 35,000 years, but during this period we have changed our planet a lot in many ways. 1
All over the world, people have cut down millions of trees, so more and more kinds of animals and plants are disappearing. In big cities, cars and buses have polluted the air. Factories have also polluted the land and the water.
2 It is important to the earth. But now air pollution is destroying it and that has made a very big hole in the ozone layer (臭氧层). 3 This is very dangerous because it can cause cancer.
Carbon dioxide (CO2) in the air has increased a lot. 4 it has formed a "blanket" (毛毯) around the each. 5 This makes our earth become warmer and warmer. Therefore, this causes the level of the ocean to rise.
All these problems are very serious. We must do something to stop our earth from being polluted anymore.
| A. The heat from the sun can' t escape, so the temperature is rising. B. Too much harmful light from the sun passes through it and reaches the earth directly, C. Some things we've done are very good for the earth while some are bad. D. Around the earth, there’s a special kind of oxygen (O2) called "ozone" (O3). E. It mainly comes from different kinds of burning materials. |
看图填空，一空一词(含缩写词)。
What time is it now?
It' s o' clock in the .How' s the weather?
a day.Where are these people?
They are at a Is the place in this picture a busy and crowded one?
No, it __, because only persons are there.What do you think they are doing?
I think they are a bus.
根据对话内容，从下边方框中选出适当的选项补全对话。
(S--Sam ; L--Lily)
S: What's the matter with you, Lily?
L: Well, 1
S: Bad luck. You should drink some tea with honey.
L: 2
S: And don't eat French fries these days.
L: I guess I won' t.
S: You shouldn't speak too much. 3
L: You are very kind. You have given me so many good suggestions.
S: I hope you will fell better soon.
L: 4
补全对话
Larry: What beautiful pictures!
Tom: No, they’re not pictures. _________________.
Larry: Stamps ? ________________________.
Tom: They are used for posting letters.
Larry: ______________________________________?
Tom: I’ve got more than 700 of them.
Larry: ______________________________________?
Tom: I’ve been collecting them since I was five years old.
Larry: what are you going to be when you grow up?
Tom: I’m going to be a stamp designer (设计师).
Larry: __________________________________________?
Tom: I’m going to study art really hard and go to an art college.
Larry: I hope your dream can come true.
Tom: Thank you.
根据括号内的汉语提示，完成句子。(每空一词)The young man found it difficult to have dinner because some of his _______(牙齿)had been pulled out.
Tom and Linda have been _______( 结婚) for ten years, but they’ve never quarreled.
If you want to become a good Marathon athlete, you must practice ________(跑步) every day.
He manages over 100 big companies, He is considered to be one of the most _________(成功的) businessmen in China.
Their answers to the question were not the same, that’s to say, they answered the question ____________(不同地).
When you communicate with your American e-pal on the internet, the e-mails are supposed to be ______(写) in English.
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