1、UNIT 3 ENVIRONMENTAL PROTECTION Section A Reading and Thinking 课后篇巩固提升 基础夯实 .单词拼写 1.At that time people would s if food was difficult to find. 答案 starve 2.Flora Landscape acts as an important role of society and (生态) in the urban landscape. 答案 ecology 3.Before (释放),the sea lions are fitted with elec
2、tronic tracking devices. 答案 release 4.Plants absorb c dioxide from the air and moisture from the soil. 答案 carbon 5.The love and support of his family (维持) him during his hard times. 答案 sustained 6.Would you please keep silent?The weather report is being b and I want to listen. 答案 broadcasted/broadca
3、st 7.The cramped living conditions severely (限制) the childrens freedom to play. 答案 restricted 8.Jane was quick to s the meaning of what the teacher said at the meeting. 答案 seize .短语填空 result in,refer to,huge amounts of,along with,take measures,make policies,seize the opportunity,have an impact on 1.
4、Nowadays,cycling, jogging and swimming,is regarded as one of the best all-round forms of exercise. 答案 along with 2.The development of new technology continues to learning. 答案 have an impact on 3.When I am faced with a difficulty,I usually choose to relevant learning materials or web pages. 答案 refer
5、to 4.The planets strong force of gravity holds hydrogen and helium gas. 答案 huge amounts of 5.As far as Im concerned,concentration on your studies will good grades. 答案 result in 6.Our government is trying to to prevent and control pollution. 答案 take measures 7.Government will need to to encourage pri
6、vate companies. 答案 make policies 8.If I were you,I should to go abroad for further study. 答案 seize the opportunity .完成句子 1.毫无疑问,它可以增强人们的健康意识。 it can enhance peoples consciousness of health. 答案 There is no doubt that 2.她所能做的就是步行回家。 she would have to do was to go home on foot. 答案 All that 3.只有通过合作,我们才
7、能按时完成任务。 Only can we finish the task on time. 答案 by working together 4.她在考虑采取步骤来减肥。 She is to lose weight. 答案 considering taking steps 5.儿童电视节目不仅有娱乐性而且还有教育意义。 Childrens television entertains teaches. 答案 not only;but also 素养提升 .阅读理解 A 主题语境:人与社会 语篇类型:应用文 难度: Whether you feel like taking a road trip,or
8、 you just need some fun,youll enjoy this list of popular tourist attractions. Alabama: Alabama Gulf Coast Beaches If Alabama wasnt the location for your next summer beach vacation,you may want to reconsider.There are 32 miles of white sand that has washed down from the Appalachian Mountains for thou
9、sands of years.Thats probably why over six million people visit Alabamas Gulf Coast beaches every year.Its just ten dollars per person. Alaska: Kenai Fjords Wildlife Cruise Alaska is the best place to go for spotting breathtaking (惊险的) wildlife.In fact,the number of visitors who travel to Alaska to
10、see wildlife has increased by 45 percent.The Kenai Fjords Wildlife Cruise will bring you close to whales,sea lions,and sea birds.A five-hour trip that starts at noon and covers 55 miles of sea will be the best you ever taken. Arkansas: Hot Springs National Park Skip the beach and choose a new type o
11、f relaxation at Hot Springs National Park.Its Americas oldest and smallest national park.Theres a no-booking policy,perfect for free travelers.Doors open at 8 a.m.,so get there early! Connecticut: Yale Peabody Museum of Natural History Yale Peabody Museum of Natural History is a must stop if youre t
12、raveling nearby Yale University.It attracts plenty of people and has many collections including New England birds,dinosaurs,Greek and Roman antiquities,and even an Egyptian mummy.Adults pay $13 for entry,but if you want to visit for free,go on at Thursday. Dont miss the four best tourist attractions
13、. 【语篇解读】本文是一篇应用文。文章主要介绍了美国四个独具特色的旅游景点以及它们的 特征。 1.Why do many people go to Alabamas Gulf Coast beaches? A.It has a good and convenient location. B.It has a history of thousands of years. C.It has tens of miles of white sand. D.The Appalachian Mountains are beautiful. 答案 C 解析细节理解题。第一个景点第二句提到这里有 32英里的白
14、色沙滩,这一点吸引了大量的游客,由 此可知 C 项正确。 2.When should you get to Kenai Fjords Wildlife Cruise if you want to visit it? A.Five hours before it opens. B.Five hours after it opens. C.Before eight oclock in the morning. D.Before twelve oclock in the morning. 答案 D 解析细节理解题。文章第二个景点提到“A five-hour trip that starts at n
15、oon”,由此可知游客必须在中午 之前赶到。 3.What should or will you do if you visit Hot Springs National Park? A.Get up early. B.Roll the grass. C.Book in advance. D.Walk on the beach. 答案 A 解析细节理解题。文章第三个景点提到早上 8 点开门,要早点到,由此可知 A项正确。 B 主题语境:人与自然 语篇类型:说明文 难度: This woodland construction is the worlds biggest beaver dam,wh
16、ich at 2,790 feet in length and more than twice the length of the Hoover Dam,and can be seen from space. The mammals use trees,mud and stones to make a type of moat(壕沟) where they can use their swimming skills to evade(躲避) any predators(食肉动物).The families of beavers live in lodges on the dams and sp
17、end their days adding to and repairing the incredible structures.While beaver dams are often found to be around 1,500 feet in length,this one has surprised biologists because of its length.The dam is located on the southern edge of Wood Buffalo National Park in northern Alberta,Canada.It is thought
18、that several beaver families joined forces to create the big dam that contains thousands of trees and must have taken many months to complete. The dams are an important part of the ecology and wider environment,and climate change can be judged by the spread of the dams. Sharon Brown,a biologist from
19、 Beavers: Wetland and Wildlife,an educational organisation in North America,said:“Beavers build dams to create a good habitat.They are very agile(灵活的) in the water,but theyre a bit slow moving on land.” “They create a habitat with lots of water,like a moat,around their lodges so they can swim and di
20、ve,and keep one step ahead of predators.” “They also use water to move the trees they use in their dams,because it is easier floating branches on the water than dragging them over land.” “Their dams are also beneficial because they slow the flow of water leading to less drought and less flooding.And
21、 when plant matter dies in water,it turns into peat(泥炭) and that is one of the best ways for storing carbon dioxide.” 【语篇解读】世界上最长的海狸水坝位于伍德布法罗国家森林公园,长 2,790英尺,是胡夫水坝 的两倍多,可以从太空看到。海狸水坝可以延缓水的流动,减少干旱和洪灾的发生。 4.What does the passage mainly tell us? A.The worlds longest man-made dam. B.The biggest woodland
22、construction. C.The worlds biggest beaver dam. D.The dam can be seen from space. 答案 C 解析主旨大意题。根据文章的第一句“This woodland construction is the worlds biggest beaver dam.” 以及全文的内容可知,文章主要讲述世界上最大的海狸水坝,由此可知,选项 C 概括了文章的主要内容。 5.According to biologists,this dam . A.is a result of team work B.was built by a famil
23、y of beavers C.is located in a national park D.has surprising height 答案 A 解析细节理解题。根据第二段的最后一句“It is thought that several beaver families joined forces to create the big dam that contains thousands of trees and must have taken many months to complete.”可知, 是几个海狸家庭合作建成了这个大坝,所以选 A项。 6.Why do beavers buil
24、d dams? A.To make them more agile. B.To make a good living environment. C.To make it easier to find food. D.To keep away from predators. 答案 B 解析细节理解题。根据第四段中的“Beavers build dams to create a good habitat”可知,海狸建大坝是为 了创造一个好的居住环境,所以选 B 项。 7.From the last paragraph we can infer that . A.beaver dams can change the climate B.beavers mainly live on plants C.beaver dams can cause flood D.man can benefit from beaver dams 答案 D 解析推理判断题。根据文章最后一段的第一句“Their dams are also beneficial because they slow the flow of water leading to less drought and less flooding”可知,海狸水坝可以延缓水的流动,减少干旱和洪 灾的发生。由此推测,海狸水坝对人类有益。