1、Unit 13 Were trying to save the earth! 达标测试卷一、单项选择。(共20分)1. Nowadays everyone should take_ part in protecting the environment to save_earth.A. /; a B. /; the C. the; the D. a; the2. Who do you think will have this job, Helen or Grace? Grace.She has the _ of a good education.A. friendship B. developm
2、ent C. advantage D. discovery 3. Before you travel,you need to _ water and gas.A. turn off B. turn upC. turn on D. turn down4. The boy cant_the smartphone because its too expensive.A. afford B. like C. bring D. find5. There are many small stones at the_of the fish tank(鱼缸). A. top B. middleC. bottom
3、 D. inside6. When our parents become too old to take care of themselves one day, they _ be looked after well by us.A. may B. cant C. neednt D. should7. Junk food is _ our teeth, but some people dont care. A. harmful to B. famous for C. careful about D. different from8. Can you help me lay the table,
4、 Paul?Just a minute.I_ the phone.A. answered B. am answeringC. was answering D. have answered9. Old things can be put to good use, so we cant _. A. throw away them B. throw them awayC. throw it away D. throw away it10. To help protect the environment, I think riding a bike is a good idea._. But its
5、difficult to stop driving cars.A. I dont think so B. Im afraid notC. I agree with you D. Not really二、补全对话。(有一项多余)(共10分)A. Whats up?B. Try to recycle paper.C. When will we do that?D. And take a bag when we go shopping.E. Dont take a car or a taxi if we dont have to.F. I think we can start by turning
6、off the lights when we leave rooms.三、完形填空。(共15分)Ever since “Mother Nature” gave me life, I have expected to grow tall and big.As a young_16_, I was well protected in the forest.I used to_17_ a good time with my friends under the blue sky and _18_ the river.Our only purpose was to stand high.My pal,
7、Tim, often said, “All I ask for is to be _19_ the whole day.” More than 300 days passed and we grew straight.Until one day, our_20_ birthday, people came, moved us from the _21_ and put us on their trucks.“ I dont want to go! ” Tim cried.After a long journey, we arrived in a completely different pla
8、ce with _22_ green.Here we were planted in a line. _23_ the wind blew strongly, I could not even open my eyes to see Tim _24_ beside me.So we needed enough_25_ to grow thicker and higher to stop the wind.As time went by, we finally_26_ much stronger.I could keep my eyes open in the wind! I even foun
9、d the blue sky was back!This was no longer nomans land, and hundreds of visitors came here.A man took a picture of us with his_27_. “ Thank you.We can enjoy clear days_28_ worrying about sandstorms.” A young girl jumping up and down came over and_29_ me.“ Thank you, ” she said. “ Its you that have t
10、urned the desert into green land!” Tim and I smiled at each other, feeling_30_. The sun was shining brightly in the bluer sky.16. A. tree B. fish C. girl D. boy17. A. choose B. forget C. have D. miss18. A. in B. along C. under D. on19. A. smart B. happy C. busy D. thin20. A. first B. secondC. third
11、D. fourth21. A. beach B. lake C. house D. earth22. A. something B. nothingC. anything D. everything23. A. Though B. UnlessC. Because D. Until24. A. clearly B. greatlyC. kindly D. widely25. A. desert B. wind C. sand D. water26. A. became B. smeltC. sounded D. remained27. A. radio B. keyboardC. backpa
12、ck D. camera28. A. from B. about C. without D. of29. A. asked B. huggedC. invited D. kicked30. A. tired B. boredC. proud D. scared四、阅读理解。(共30分)AThe Grade 3 students at the Clean City School collect empty bottles.In June, they are going to take them to a recycling center.They are going to sell the bo
13、ttles and buy some books for the school library.Kate has started a graph(图表) to show the number of the bottles they have collected.31. The students collect_more bottles in December than in November.A. 10 B. 20 C. 30 D. 4032. The students pick up the same number of bottles in_. A. October and MarchB.
14、 April and SeptemberC. January and NovemberD. February and December33. The students collect the fewest bottles in_. A. September B. OctoberC. February D. June34. The students collect empty bottles because_. A. they want to play with the bottlesB. they like empty bottles very muchC. they want to sell
15、 them to buy balls D. they want to do something for their school35. The passage is probably taken from_. A. a travel magazineB. an education websiteC. a geography textbookD. a business newspaperB36. _ Many of them use chemicals to kill weeds (杂草). The trouble is, these weedkillers also kill wildlife
16、, pollute rivers and are bad for the fields. 37. _ This kind of robot can cut weedkiller use by 90%. The robot is really smart because it only kills weeds but not crops (庄稼). 38. _Several cameras are built into the robot. The cameras facing the ground take photos to help the robot “see” the plants i
17、t passes.The robot compares each photo to a library of plant photos to decide on which plants are weeds.Robot arms move into position to give a small dose(剂量) of weedkiller on the weeds.The robot is energyfriendly. 39. _How the robot will developThe scientists do not want to just stop at the achieve
18、ment they have made. 40. _ The improved model of robots will exactly discover weeds and dig them out instead of using weedkillers.Robots could be programmed to leave some harmless weeds in the fields to support wildlife living there.A. But scientists have created a farmyard robot.B. It is powered by
19、 the energy from the sun.C. Theyre working on the new designs to improve the model.D. How the robot worksE. How do farmers usually kill weeds in the fields?CCaitlyn loved to dive(潜水). Her parents had let her take lessons before.It was her first trip to the ocean.She was so excited! Yesterday, she sa
20、w a lot of colorful parrotfish.It was impossible to know what she might see today.Caitlyn looked at her parents, who were diving nearby.She wondered if it was OK to get out of the water.Dad put up both hands with fingers outstretched(张开的). “10 minutes more,” Caitlyn said to herself. She nodded.At th
21、at moment, Caitlyn saw a dark shadow(影子)pass over her in the water.She thought it was a shark.She was so scared.More shadows appeared.Caitlyn felt her heart beat fast.Then one shape swam right past her.They were three dolphins.One was a baby.The two adult dolphins swam on either side of the baby.Cai
22、tlyn smiled.Then she noticed that the baby was bleeding(流血). Caitlyn looked closely.A huge fish hook(鱼钩)was stuck in the baby dolphins side.Slowly, the two adult dolphins nosed the baby towards Caitlyn. “What do they want?”she thought.Then she understood.They wanted her to help their baby!Carefully,
23、 Caitlyn took the hook out of the babys side.She pressed her hand against the wound to stop the bleeding.Soon Caitlyn felt the baby move a lot.So she let go of her hand.The baby swam back to her parents.Then the biggest dolphin turned and swam towards Caitlyn.The dolphin nudged (轻推)her softly with h
24、is nose.Caitlyn suddenly realized, “Hes saying thank you!” Then the dolphins disappeared into the blue water as silently as they had come.41. Where was Caitlyn diving?_42. Who was diving nearby?_43. How many dolphins did Caitlyn see?_44. What happened to the baby dolphin?_45. Why did the biggest dol
25、phin turn and swim towards Caitlyn?_五、短文填空。(共15分)much, protect, river, and, give,slow, pick, in, a, countDaniel, a 12yearold boy, loves nature and wants to protect our planet. He grew up near the Tennessee River and was sad to learn that it is one of the most polluted 46. _ in the world. He knew he
26、had to act.At first, Daniel and his parents 47. _ up litter near the Tennessee River. But soon he realized he would need more help. So he started organizing the cleanup of the Tennessee River with his family, neighbors and volunteers. Daniel also wrote a childrens book about river pollution to help
27、others understand why it is so important 48. _ our planet. He even 49. _ raised enough money to place 17 recycling dustbins along the river.Daniels hard work has made 50. _ big difference in his hometown. He 51. _ the title of “Green Youth” for his effort to protect the environment, but Daniel isnt
28、stopping there. He knows theres still 52. _ work to do. He wants to travel the world, teach others about the ocean and its creatures(生物), 53. _ encourage people to protect them.Daniel believes that every little action 54. _ and that everyone can make a change. He encourages everyone to stand up and
29、take part 55. _ protecting our planet.六、书面表达。(共10分)2025年4月22日是第56个“世界地球日”。某校开展了保护地球的相关主题活动,号召大家“保护地球,从我做起”。活动鼓励同学给校报投稿,介绍自己在日常生活中如何保护我们赖以生存的地球。假如你是该校同学杨宇,请你结合自己的经历,给校报投稿。词数不少于80。内容包括:Describe your ways of protecting the earth.Tell an experience about how you protect the earth.Give your suggestions._
30、参考答案一、15: BCAAC610: DABBC二、1115: AFEBD三、1620: ACBBA2125: DBCAD2630: ADCBC四、(A)3135: BCADB(B)3640: EADBC(C)41. In the ocean.42. Caitlyns parents.43. 3./Three./ She saw three.44. She was bleeding./ A huge fish hook was stuck in the baby dolphins side./She was (badly) hurt.45. Because he wanted to say
31、thank you/thanks to her./ Because he wanted to thank her./To say thanks to her./To thank her./To say thank you to her.五、46. rivers47. picked48. to protect49. slowly50. a51. was given52. more53. and54. counts55. in六、One possible version:I think we should protect our earth because it is our home. We c
32、an do some small things such as traveling by public transportation, going shopping with the cloth bags and so on to protect our earth.I went to clean up the city parks with my friends last summer. In our city, there were many beautiful parks. However, they were a little dirty because many people threw the litter everywhere. I called on my good friends to clean them up. All the summer, we cleaned the parks on weekends. We were tired but we were also happy when we heard people praise us.I hope we all protect our earth from now on. Lets act right away.
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