根据提示填空：人们砍树，烧树使温室效应更严重，因为树吸收有害气体。大量砍树也导致洪水，因为树帮助稳固土壤，下雨时土壤吸收水分。
The burning and cutting down of trees is making the greenhouse effect（66）_________because trees take in（67）_________gases．It will also cause（68）_________because trees can help（69）_________soil together，and soil（70）_________water when it rains．
补全对话 根据对话内容，填入适当的话语，使对话完整。（每小题1分，满分5分）
A: Good morning, Granny. ______________________?
B: Oh, boy. It’s difficult for me to breathe.
A: ___________________________?
B: I have been like this since last week.
A: ________________________?
B: No. I haven’t seen the doctor. The chemical factory produces terrible gas.
It makes my chest hurt.
A: ______________________. Pollution causes too many problems.
I think I should write to the newspaper about these problems.
B: ________________.
A: You’re welcome.
阅读短文，把A-E五个句子填入文中空白处，使短文内容完整，正确。（每小题2分，满分10分）
Life in the 21st century will be different from that in the 20th century, because many changes will take place in the new century. ?
First, the population is growing very fast. There will be more and more people in the world and most of them will live longer than before. , and there will be at least one in every home. And computer studies will be one of the most important subjects in schools.
Second, people will work fewer hours than they did in the 20th century, and they’ll have more free time for sports, watching TV and traveling. . And more people will go to other countries for holidays.
Third, there will be changes in our food, too. People will use more land to build new towns and houses. . Maybe no one will eat meat every day, instead, they will eat more vegetables and fruit. Maybe people will be healthier.
Last, work in the future will be different, too. . Because of this, many people won’t have enough work to do. This will be a problem.
周末即将到来，请根据给出的开头写写你的家人和朋友要做的事情。I want ______________________________________________________
My sister plans_______________________________________________
My friend Tony hopes__________________________________________
My parents offer ______________________________________________
My grandmother decides ________________________________________
补全对话 （10 分）
A：Good morning. What’s the matter?
B：______________________
A：Do you have a headache?
B：_____________
A：Open your mouth and say “Ah”.
B：Ah.
A：__________
B I have been like this for two days.
A：Oh, I see. You had a bad cold.
B：Is it serious?
A：No, _______ But you really need a good rest and take this medicine.
B：_______________________
A：Three times a day.
B：OK. Thank you.
情景交际（本题共5小题；每小题2分，满分10分）
根据对话内容选出可以填入空白处的最佳选项，有两项为多余选项。
Daming: Hi, Tony.__ _____
Tony: Hi, Daming. I’ve just made a model spaceship for our school project.
Daming: I haven’t started yet because I’m not sure how to make it. Can you help me?
Tony: Sure,___ __. Have you heard the latest news? Scientists have sent a spaceship to Mars. The journey has taken several months.
Daming:___ ___
Tony: Yes, it has arrived already.___ ___
Daming: So have they discovered life on Mars?
Tony: No, they haven’t yet.
Daming: Are there any astronauts in the spaceship?
Tony: No, there aren’t.
Daming: Why not? ______
Tony: Yes，but no one has been to Mars yet, because Mars is very far away, much farther than the moon. Lots of scientists are working hard in order to send astronauts to Mars one day.
Daming: That’s interesting! How can I get information on space travel?
Tony: You can go online to search for information.
Daming: I will. Thank you, Tony!
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