Unit22 Warm-up & Lesson 1 Global Warming—Pre-reading课时练习（含答案）

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1、Warm-up & Lesson 1 Global Warming Pre-reading .阅读理解 A People living in the UK take quite a few holidays abroad and in the country each year.Choices made about where to go，how to get there and what to do can either benefit or harm the environment. While on holiday Many of the things you can do to be

2、greener on holiday will be the same things you can do at homebut there are also some extra things too，like avoiding gifts made from endangered plants and animals.Here are some suggestions： Making the most of locally produced food and drink，and local activities and attractions will support people in

3、the area you are visiting and reduce the need for further environmental influence from transport. Switching off any air-conditioning，heating and lights will help reduce climate change effect. Save watersome countries suffer from water shortages and saving water can help avoid damage to our natural h

4、abitats. Endangered species Some gifts and foods available in some countries can be made from endangered plants or animals.Check before you buy，but if you doubt，avoid animal and plant gifts.More details of the types of products to avoid any illegal trade hotspots can be found on the Souvenir Alert w

5、ebpage. Making a positive contribution to the place you are visiting There are ways in which your holiday can help support local people and the environment. There are many opportunities to volunteer and help with projects that conserve and improve natural habitats. When you are away， or if you are l

6、ooking for somewhere to visit， you can support projects or attractions which protect wildlife，such as nature reserves and conservation projects. 语篇解读 本文主要讲述了旅游时如何做到保护环境、保护野生动植物，文中就 此给出了一些建议。 1.According to the passage，we can to help reduce climate change effect. A.make good use of water B.buy local

7、food and drink C.save electricity D.go around on foot 答案 C 解析 细节理解题。 根据While on holiday中的“Switching off any air-conditioning， heating and lights will help reduce climate change effect.”可知，减少气候变化影响可以从节约用电着手。 2.We should check the gifts and foods before buying because . A.sometimes they are of poor qu

8、ality B.they may not be typical local products C.some of them will do harm to our health D.they may be made from endangered animals or plants 答案 D 解析 细节理解题。根据 Endangered species 部分的第一、二句可知，答案为 D。 3.We can infer from the passage that . A.it is not easy for people to travel abroad B.not everyone can t

9、ell an illegal souvenir C.green holidays have been accepted by people D.volunteer work is a must for protecting natural habitats 答案 B 解析 推理判断题。 根据常识并结合 Endangered species 部分中的第二句“.but if you doubt， avoid animal and plant gifts.”可知，并不是每个人都能辨别非法纪念品。 4.The passage is mainly about . A.travel enjoyment B

10、.the harm to the environment C.protection of endangered animals D.greener choices for holiday 答案 D 解析 主旨大意题。 本文主要叙述旅游时如何做到保护环境、 保护野生动植物。 故答案为 D。 B Summer heat can be dangerous，and heat leads to tragedy far too often.According to kids and cars，org，an average of 37 young children per year die of car h

11、eat in the US，when they are accidentally left in a hot vehicle. For Bishop Curry， a fifth grader from McKinney， Texas， one such incident hit close to home.A six-month-old baby from his neighborhood died after hours in a hot car.After hearing about her death， Curry decided that something needed to be

12、 done.Young Curry， who turned 11 this year， has always had a knack for inventing things，and he drew up a sketch(草图) of a device he called “Oasis”. The device would attach to car seats and watch the temperature inside the car.If it reached a certain temperature in the car，and the device sensed a chil

13、d in the car seat，it would begin to circulate cool air.Curry also designs the device using GPS and Wi-Fi technology，which would alarm the childs parents and，if there was no response from them，the police. Currys father believes that the invention has potential.“The cool thing about Bishops thinking i

14、s that none of this technology is new，” he said.“We feel like the way hes thinking and combining all these technologies will get to production faster.” His father even introduced the device to Toyota，where he works as an engineer.The company was so impressed that they sent Curry and his father to a

15、car safety conference in Michigan. In January，Currys father launched a campaign for the invention.They hope to raise money to finalize the patent，build models，and find a manufacturer.Their goal was $20,000，but so many people believed in Oasis potential that they have raised more than twice thatover

16、$46,000. Currys father remembers the first time he saw his sons sketch.“I was so proud of him for thinking of a solution，” he said.“We always just complain about things and rarely offer solutions.” 语篇解读 在美国每年平均有 37 名儿童在车里热死。 Curry听说邻居家的婴儿在车里热死后， 发明了“绿洲”设备，他的父亲为他的发明筹钱用于获取专利、投入生产。 5.What inspired Curr

17、y to invent Oasis? A.His narrow escape from death after being locked in a car. B.His knowledge of many childrens death because of car heat. C.The death of his neighbors baby after being left in a hot car. D.The injury of 37 children in his school in a car accident. 答案 C 解析 细节理解题。根据第二段中的“After hearin

18、g about her death.who turned 11 this year， has always had a knack for inventing things，and he drew up a sketch(草图) of a device he called Oasis.”可知，Curry 听说邻居家 6 个月的婴儿在车里热死后，决定发明“绿洲”设备。 故选 C。 6.What would Oasis do if it was hot in a car with a child? A.It would inform the parents or even the police.

19、B.It would pump out the hot air in the car. C.It would sound the alarm attached to the car. D.It would get the window open to save the child. 答案 A 解析 细节理解题。根据第三段最后一句“Curry also designs the device using GPS and Wi-Fi technology，which would alarm the childs parents and，if there was no response from th

20、em，the police.”可知，Curry 发明的“绿洲”设备可以通知孩子家人或者警方。故选 A。 7.What does Currys father think is cool about Currys invention? A.It used some of the most advanced technology. B.It simply combined technologies that existed. C.It could accelerate production of new technology. D.It is the most advanced among simi

21、lar products. 答案 B 解析 细节理解题。根据第四段中的“Currys father believes that the invention has potential.The cool thing about Bishops thinking is that none of this technology is new， he said.We feel like the way hes thinking and combining all these technologies will get to production faster.”可知，父亲之所以认为 Curry 的发明

22、很酷，是因为它用到的科技都是现 成的。故选 B。 8.Why did Currys father start a campaign to raise money? A.To conduct experiments to test the invention. B.To get other children devoted to inventions. C.To support a charity of medical aid for children. D.To get the patent and bring it to production. 答案 D 解析 推理判断题。 根据倒数第二段中

23、的“They hope to raise money to finalize the patent， build models，and find a manufacturer.”可知，Curry 的父亲为他的发明筹钱用于获取专利，找到生 产商进行生产。故选 D。 C We produce 500 billion of plastic bags in a year worldwide and they are thrown away polluting oceans，killing wildlife and getting dumped in landfills where they take

24、up to 1,000 years to decompose.Researchers have been unsuccessfully looking for a solution. The 16-year-old Canadian high school student，Daniel Burd，from Waterloo Collegiate Institute，has discovered a way to make plastic bags degrade(降解) in as few as three months，a finding that won him first prize a

25、t the Canada Wide Science Fair，a 10,000 prize，a 20,000 scholarship，and a chance to revolutionize a major environmental issue. Burds strategy was simple：Since plastic does eventually degrade，it must be eaten by microorganisms(微生物).If those microorganisms could be identified，we could put them to work

26、eating the plastic much faster than under normal conditions. With this goal in mind， he grounded plastic bags into a powder and concocted(调制) a solution of household chemicals，yeast(酵母) and tap water to encourage microbes growth.Then he added the plastic powder and let the microbes work their magic

27、for three months.Finally，he tested the resulting bacterial culture on plastic bags，exposing one plastic sample to dead bacteria as a control.Sure enough， the plastic exposed(暴露) to the live bacteria was 17% lighter than the control after six weeks. The inputs are cheap：maintaining the required tempe

28、rature takes little energy because microbes produce heat as they work，and the only outputs are water and tiny levels of carbon dioxide. “Almost every week I have to do chores and when I open the closet door，I have piles of plastic bags falling on top of me.One day，I got tired of it and I wanted to k

29、now what other people are doing with these plastic bags.The answer：not much.So I decided to do something myself，” said Daniel Burd. 语篇解读 本文主要讲述了一个加拿大的高中生发现了一种能够快速降解塑料的方法， 并 讲述了其实验过程以及是如何得到启发发现此方法的。 9.Daniel Burd won first prize at the Canada Wide Science Fair because . A.he found a way to degrade pl

30、astics in a shorter time B.he contributed much to environmental protection C.he found a new kind of microorganism D.he could encourage microbes growth in an easier way 答案 A 解析 细节理解题。 根据第二段中的“.has discovered a way to make plastic bags degrade(降解) in as few as three months， a finding that won him firs

31、t prize at the Canada Wide Science Fair.”可 知，Daniel Burd 因发现了短时间内降解塑料袋的方法而获奖。故选 A。 10.Daniel Burd exposed one plastic sample to dead bacteria to . A.make the live bacteria work better B.know which bacteria worked faster C.test how effective his method was D.control the temperature in the process 答案

32、C 解析 推理判断题。根据第四段第三句“Finally，he tested the resulting bacterial culture on plastic bags，exposing one plastic sample to dead bacteria as a control.”可知，他这样做的目的 在于测试他的方法是否有效。故选 C。 11.Maintaining the required temperature takes little energy because . A.plastics can get hot easily B.microbes can produce he

33、at themselves C.much carbon dioxide is produced D.the temperature can be controlled 答案 B 解析 细节理解题。根据倒数第二段中的“.maintaining the required temperature takes little energy because microbes produce heat as they work.”可知，这是因为细菌在工作的时候会产 生热量。故选 B。 12.Daniel Burd got his idea from . A.his school textbook B.the

34、 failure of researchers C.his everyday work D.the practice of other people 答案 C 解析 推理判断题。根据最后一段 Daniel Burd 说的话“Almost every week I have to do chores and when I open the closet door.So I decided to do something myself.”可知， 他是在日常家务劳 动中得到的启发。故选 C。 .七选五 When youre feeling anxious or stressed，the tips l

35、isted below can help you deal with it. Eating and Sleeping Well Living a healthy lifestyle is important.From sleep to nutrition，the healthier your body is，the better it works，and the better it works，the less anxiety youll experience.These arent anxiety cures. 13 Simply sleeping more isnt going to ma

36、gically take it away.However，theyll greatly reduce the symptoms，which should help you deal with anxiety much more easily. Yoga Yoga is a type of exercise that has great benefits to reducing anxiety. 14 Those with anxiety need an opportunity to slow their lives down so that it feels more manageable.

37、Relaxation Strategies Many relaxation strategies can help you deal with anxiety.Flying your imagination is a great one. 15 Creating memories is another great one.You can go to the museum or try a new cuisine.These strategies give your mind an opportunity to be calmer so that you can cope with stress

38、 naturally. 16 Your thoughts tend to be your enemy when you suffer from anxiety.So stop focusing on those thoughts and give yourself a break to simply calm down.Talking on the phone with someone you like about positive things can be more powerful than you realize. Journaling Writing thoughts down in

39、 a journal may seem like something you only did as a child. 17 It not only gives you a chance to let out your thoughts，but tells your brain that it doesnt have to focus on remembering them as much as it did previously. A.Distracting Yourself B.Actively face your fears C.The key is to reduce their se

40、verity. D.However its a powerful healing tool. E.It is a slower form of exercise that is not challenging. F.Simply imagine yourself and your five senses in a more relaxing place. G.Anxiety is more of a mental health disorder developed through years of experiences. 语篇解读 本文是一篇说明文。文章提出了五个应对和缓解焦虑的建议。 13

41、.答案 G 解析 横线前句“These arent anxiety cures.”告诉我们吃好睡好并不是治愈焦虑的方法， 因 为焦虑更大程度上是一种精神方面的问题， 而G项“Anxiety is more of a mental health disorder developed through years of experiences.”是对前句的解释，符合上下文语境。 14.答案 E 解析 本段的建议是“练习瑜伽”，E 项“It is a slower form of exercise that is not challenging.” 正是对瑜伽的说明，与本段主题一致。 15.答案 F

42、解析 横线前句“Flying your imagination is a great one.”建议我们通过放飞想象力来有效缓 解我们的焦虑。结合选项可知，F 项符合上下文语境。 16.答案 A 解析 本段第二句“So stop focusing on those thoughts and give yourself a break to simply calm down.”告诉我们不要把注意力集中在那些想法上， 让自己休息并平静下来。 也就是说让自己 的注意力分散，不要考虑让人焦虑的事情。故 A 项符合上下文语境。 17.答案 D 解析 空前句提到把你的想法写在日记里， 看起来就像是你小时候才做的事情， 而下文的“It not only gives you a chance to let out your thoughts，but tells your brain that it doesnt have to focus on remembering them as much as it did previously.”则具体讲了写日记的好处。前后存在 转折关系，故 D 项(然而它是一种强有力的治愈工具)与语境吻合。