Unit 13 Section B 1a-1e一、单项选择。1. This is really _ ugly bird.But it is _ useful bird. It can help fishermen catch fish.A. an；a B. an；an C. a；a D. a；an2. Recycling is good，so dont _ bottles or newspapers.A. find out B. hand in C. use up D. throw away3. Why havent you bought a car，Mr.Lin？You can _ one.Well，I have money for it，but I want to go green.A. offer B. afford C. avoid D. allow4. Now people have to pay some money for _ bags in supermarkets.Yes. Because they are bad for the environment.A. bin B. paper C. cloth D. plastic5. We should try our best to solve pollution problems _ complaining them.A. rather than B. instead of C. for D. or6. Everyone should use both sides of paper.Yes. If we all use both sides of paper, many trees _ be saved.A. need B. have to C. can D. must7. Do you often use paper napkins?Seldom，_ they are cheap and easy to get.A. since B. although C. because D. if8. Dont keep the water running while brushing your teeth.Sorry. I forgot to _.A. turn on it B. turn it on C. turn off it D. turn it off9. How shall we go to the airport?Lets take the airport bus. It _ only 20 minutes and _ much less than taking a taxi.A. takes；costs B. spends；spends C. spends；costs D. takes；spends10. There is often so much rubbish in the river.Yes. Luckily，to save water, many actions _.A. are taking B. are going to takeC. are going to be taken D. are going to be taking11. Do you know what the clothes on the show are made of?Waste paper. You see, waste things can _ to life.A. bring back B. be brought back C. take away D. be taken away12. There _ lots of trees in the area.But they have all gone because people built a railway here.A. have been B. used to be C. have had D. used to have13. If everyone takes good action，it will _ a better future.A. has B. lead to C. led to D. be had14. Which of the following actions is NOT part of green life?A. Burning rubbish in the open air.B. Planting trees in spring.C. Walking or riding bikes to school.D. Taking a shopping basket when going shopping.15. I think the biggest environmental problem in my country is air pollution._.The air here is much more polluted than in my country.A. Not really B. Me，too C. Yes，I agree D. It doesnt matter二、阅读理解。There are some easy things you can do to protect the environment and the earth. Choose ideas from the list or come up with a few of your own.Plant flowers, grass or trees.Whenever you visit a park or beach, take away what you bring therekeep rubbish in a bag until you can put it in a dustbin.Turn off the lights, TV sets when you leave the room. This saves a lot of electricity.Turn off the tap when you brush your teeth. You can save some water by not letting it run. Also use a glass cup instead of a paper cup because this saves paper.Keep the doors and windows closed in winter to keep warm air in.Give your old books and magazines to a library instead of throwing them away.Give your old clothes to poor children you know instead of throwing them away.Use both sides of paper.Stop pouring dirty water into the rivers or the lakes nearby.Encourage all your friends to do the same things you do to help protect the earth.You dont have to wait until Earth Day to do these things. Make every day Earth Day.If everyone makes a contribution to protecting the environment, the world will become much more beautiful.16. From the above，we know that this is _.A. a sign B. a notice C. an advertisement D. a proposal (提议)17. The writer tells us _.A. to throw rubbish into a dustbinB. to pour dirty water into the riverC. to save water by letting it run while we are brushing our teethD. that we cant do all these things until Earth Day18. We can _ to save paper.A. use a paper cup B. use both sides of paperC. give old books to a library D. pick up waste paper at school19. Which of the following is WRONG according to the writer?A. Turn off the lights when you leave the room.B. Close the doors in winter.C. Use a paper cup when you brush your teeth.D. Give your old clothes to the poor children.20. The main idea of this passage is how to _.A. save moneyB. save water and electricityC. make better use of old thingsD. protect the earthUnit 13 Section B 1a-1e答案一、1. A 【解析】试题分析：考查冠词的用法。an用于发音以元音音素开头的词前, a用于发音以辅音音素开头的词前。ugly发音的第一个音素是元音, 而useful发音的第一个音素是辅音, 故选A。2. D 【解析】句意：回收是有好处的，所以不能将瓶子或报纸扔掉。本题考查动词短语辨析。find out发现；hand in上交；use up用光；throw away扔掉。根据语境可知选择D项。3. B 【解析】试题分析：考查动词辨析。offer提供; afford买得起; avoid避免; allow允许。句意为“你能买得起”。故选B。4. D 【解析】bin垃圾箱；paper纸；cloth布；plastic塑料。句意：现在人们必须为超市里的塑料袋付费。故选D。5. B 【解析】句意：我们