1、Unit 4Global warming主题语境:人与自然环境保护Section Warming Up,Pre-reading,Reading & Comprehending课后篇巩固提升一、写作词汇预习Reading部分的词汇,完成下列小对话或语段。1.The boy said he could lift the heavy stone.Theres no (疑问) about it.答案doubt2.I (瞥见) at Tom in the street just now.Impossible.It cant be him.Hes gone to Shanghai.答案glanced3.H
2、ow often do you (订阅) newspapers?It depends,but usually twice a year.答案subscribe to4.Theres a (稳定的) increase in the temperature during the recent years after 2018.Yes,it has been like this for a few years.答案steady5.The scientist (声称) that the temperature is going to (继续) (上升) for decades or centuries
3、 (即使) we start to reduce the amount of carbon dioxide and other greenhouse gases.答案stated;keep on;going up;even if二、阅读词汇预习Reading部分的词汇,写出画线部分的汉语意思。Dear Ray,Recently,our manager told me to sort out the fuel 1. consumption in our company and draw a graph 2. to show how much fuel is consumed 3. per mon
4、th.I dont want to make the graph at random 4.Could you please help me collect some useful data 5. so that I can make a detailed graph?I would appreciate it if you can help me.Looking forward to your early reply!Yours,Li Hua答案1.燃料2.图表3.消费4.随便地5.资料三、根据汉语及括号内的提示完成句子1.他声明他迟到是高速公路上车辆过多所致。(state;be due to
5、)He that his lateness the very heavy traffic on the motorway.答案stated;was due to2.这次事件导致她失去了所拥有的一切。(consequence)She lost everything she owned the event.答案as a consequence of3.这里夏天雨水多,干燥的天气少。(tend;rather than)It a lot here in summer be dry.答案tends to rain;rather than4.小吉姆不愿意到这里来,即使这里有给孩子们提供的各种活动。(ran
6、ge)Little Jim is unwilling to come here even if there is for children.答案a full range of activities 5.这个国家的人口每年都以稳定的速度在增长。(steady)The population of the country is growing per year.答案at a steady rate6.尽管她有时很恼人,但我还是喜欢她。I like her she can be annoying.答案even if/though7.毫无疑问,我们的实验将会成功。 our experiment will
7、 succeed.答案There is no doubt that8.在过去的10年里,我的家乡发生了极大的变化。(take place) in my hometown in the past ten years.答案Great changes have taken place9.请告诉我事故是怎么发生的。(come about)Please tell me .答案how the accident come about10.他强烈反对禁止香烟广告。(be opposed to)He the ban on cigarette advertising.答案is strongly opposed t
8、o四、阅读理解AA new study shows that rising levels of planet-warming gases may reduce important nutrients in food crops.Researchers studied the effects of carbon dioxide on rice.In the experiment,scientists grew 18 kinds of rice in fields in China and Japan.They set carbon dioxide levels to what scientist
9、s predict for our planet by the end of the century.Rice grown under high carbon dioxide conditions had,on average,13 to 30 percent lower levels of four B vitamins and 10 percent less protein(蛋白质).The crops also had 8 percent less iron and 5 percent less zinc than rice grown under normal conditions.H
10、owever,vitamin E levels increased by about 13 percent on average.The researchers said the effects of planet-warming gases would be most severe for the poorest citizens in some of the least developed countries.These people generally eat the most rice and have the least complex diets.That includes abo
11、ut 600 million people in Indonesia,Cambodia,Myanmar,Bangladesh,Laos and other nations,mainly in Southeast Asia.Other studies have shown that higher temperatures resulting from climate change and extreme weather will reduce food production.But scientists are finding that rising levels of carbon dioxi
12、de and other planet-warming gases threaten food quality.Earlier studies showed that wheat,rice,peas and soybeans grown under high carbon dioxide conditions all had lower levels of protein and minerals.Scientists predicted that almost 150 million people might be at risk of having too little protein o
13、r zinc in their diet by 2050.The new study suggests a way to lower the nutritional harm of climate change.That is to grow different forms of rice that can adapt to higher carbon dioxide levels.1.Growing rice under high carbon dioxide conditions may.A.increase iron in the riceB.make it more delicious
14、C.cause a loss of vitamin ED.make it less nutritious答案D解析推理判断题。根据第二段中的“Rice grown under high carbon dioxide conditions had,on average,13 to 30 percent lower levels of four B vitamins and 10 percent less protein(蛋白质).The crops also had 8 percent less iron and 5 percent less zinc than rice grown under
15、 normal conditions.”可知,在二氧化碳含量高的条件下生长的水稻所含的营养物质比正常情况下生长的水稻少了很多。故D项正确。2.How can people reduce the nutritional harm of climate change?A.By importing rice from China and Japan.B.By taking other kinds of food instead of rice.C.By avoiding eating rice from Southeast Asia.D.By growing rice suitable for th
16、e environment.答案D解析细节理解题。根据最后一段的内容可知,减少气候变化对水稻营养破坏的方法是种植一些能够适应二氧化碳含量较高的气候条件的水稻品种。故D项正确。3.Whats the authors purpose of writing the text?A.To inform readers of what nutrients food crops contain.B.To call on people to care for the planet they live on.C.To share the results of some studies on peoples di
17、ets.D.To tell readers where food crops are mainly produced.答案B解析推理判断题。根据文章第一段和倒数第二段可知,在二氧化碳含量高的条件下生长的水稻、小麦、豌豆、大豆等植物,其营养物质都有不同程度的丢失,这些对人类生存产生了威胁,因此本文是为了提醒人们关爱我们生活的地球。故B项正确。4.In which part of a magazine can you read the text?A.Advertisement.B.Arts and culture.C.Science report.D.Business news.答案C解析推理判断
18、题。本文是一篇说明文,主要说明了温室气体可导致农作物营养含量降低,这属于科学研究的范围,与广告、文化艺术及商业新闻无关,故C项正确。BThere are only a few truly pleasant smells to wake up to in the morning.For me,its the smell of freshly brewed coffee.Just a sniff of it makes me jump out of bed and rush to the kitchen for a gulp of the hot black liquid.If youre a b
19、ig fan of coffee,youll understand that opening a new packet of coffee releases an amazing smell fresh,roasted coffee beans.And youll be able to identify the beans origin Colombia,Vietnam or Brazil.Tim Hayward is a food writer and coffee shop owner;he believes the smell is absolutely vital.“When you
20、walk into the coffee shop in the morning and that smell hits you,youre getting physiological responses.”I know from experience when I walk into a cafe,my mouth begins to water and its the smell that makes me feel good.However,this feeling sometimes turns to disappointment.This is particularly the ca
21、se when I order a coffee to go in a tall paper cup and sip the liquid through a hole in the lid.Yes,its convenient,but is it really the right way to appreciate it?You walk into the coffee shop,you get the smell,but when you actually take the drink out,you are drinking it from something that is desig
22、ned to deliver the hot liquid directly past your tongue,but prevent any smell coming up to your nose.As well as eliminating the smell,takeaway coffee cups create a lot of waste and a vast majority of them still dont get recycled.So maybe now is the time to really wake up and smell the coffee by drin
23、king from a cup in a cafe,chatting with friends and saving the planet!5.In which aspect does the author agree with Tim Hayward?A.Drinking coffee is the first thing in the morning.B.Coffee beans origin makes all the differences.C.Some people are addicted to drinking coffee.D.Its the smell of coffee t
24、hat really matters.答案D解析细节理解题。根据第一段第二句“For me,its the smell of freshly brewed coffee.”以及第二段第三句中的“he believes the smell is absolutely vital”可知,两人都认为咖啡的味道非常重要。故选D项。6.What does the author complain about?A.The process of making coffee.B.The high temperature of coffee.C.The design of the paper coffee cup
25、.D.The inconvenience of buying coffee.答案C解析细节理解题。根据第三段最后一句和第四段第一句中的“you are drinking it from something that is designed to deliver the hot liquid directly past your tongue,but prevent any smell coming up to your nose”可知,纸咖啡杯的设计令作者不满。故选C项。7.What can replace the word “eliminating” underlined in Paragr
26、aph 4?A.Creating.B.Removing.C.Increasing.D.Changing.答案B解析词义猜测题。根据第四段第一句中的“prevent any smell coming up to your nose”并结合画线词所在的句子可推知,该词的含义与prevent含义相近,故选B项。8.What can be the best title of the text?A.Wake up and Smell the CoffeeB.Try to Be a Real Lover of CoffeeC.Drink Coffee to Save the PlanetD.Choose
27、Takeaway Coffee for Convenience答案A解析主旨大意题。根据第一段第二句“For me,its the smell of freshly brewed coffee.”并结合文章其他内容可知,全文围绕咖啡的味道展开叙述,主要讲述了作者对咖啡味道的喜爱,并表述了用纸杯装咖啡的坏处,故A项最适合作本文标题。五、短文改错Yesterday afternoon my friends,Xiao Ming,and I went skating on the lake.As soon as we got here,we began to skate happily.Suddenl
28、y,I noticed something usual.The moment I warned Xiao Ming to take care of,the ice broke but he slipped into the water.I had no choice but cry for help.After hearing my cry,a young man rushed over,jumped into the lake and tried my best to swim towards Xiao Ming,that was struggling in the cold water.At last,Xiao Ming was saved but the young man left without say anything.We were all deeply moved by what he have done.答案第一句:friendsfriend第二句:herethere第三句:usualunusual第四句:去掉of;butand第五句:but后加to第六句:第二个myhis;thatwho第七句:saysaying第八句:havehad