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1、UNIT 3 课时跟踪练（一）TOPIC TALKA级语言点基础练1I .单词拼写1. The researchers found that a lack of money to pay for land conservation （保护）is afTecting efforts.2. I looked inside his plastic （塑料制的）bag and saw some carrots with soil.3. There was an item （一条）in the paper about him.4. They leave citizens cards informing
2、them what they can and cant recycle （回收利用）, and let them know how their efforts work.5. One winter day while he was hunting （猎取）,he saw the tracks of animals in the snow.6. XVc re in the process of switching （转换）over to a new system of invoicing.7. These books, while informative （知识性强的卜 are not nece
3、ssarily truthful.8. Coal mining （采矿业）has always been a dangerous occupation.n.单句语法填空1. Some of the greatest problems we face today are the destruction （destroy） of our environment.2. But the rising sea level and the carbon pollution causing warming oceans arc threatening （threat） their existence.3.
4、They were charged with bringing goods into the country illally （illegal）.4. The hunter （hunt） agreed to take us to go hunting tomorrow.5. Some experts appealed to people to rescue many species from extinction （extinct）.6. Ur-ent （urge） measures have been taken to prevent car emission.m.选词填空have a ro
5、le, do one s part, stop . from ， at present, in danger, the amount of, switch to, as soon as possible1. In the past decade, the administration hasn t done its part in environmental conservation.2. As a member of the international society, we have a role to play.3. You can t stop people from saying w
6、hat they think.4. She d like to be a film actress, but at present she s a model.5. He is in danger of losing his job if, he goes on like this.6. She was quite positive about the amount of money involved.7. I asked her to get in touch with Henry as soon as possible.8. Select the application you want
7、to switch t。or close.W.补全句子1. I hope I can get a good mark and that I can wo to college.我希望我能取得一个好成绩，然后我能上大学。2. I have an urqe to tell him the secret.我渴望去告诉他这个秘密。3. I was very lucky to qet the bock so cheap.我很幸运能以这么便宜的价格买到这本书。4. The way we choose to bring up children is vitally important.抚养子女选用何种方式是
8、极其重要的。B级话题语篇练I .阅读理解ASnow leopards (豹)are so hard to photograph that scientists aren, t even sure how many of these endangered animals still live in the wild.The Snow Leopard Conservancy (SLC) set up 20 cameras in Russia in 2010 to learn more about the big cats. After a full six months, they had exa
9、ctly zero picture! That s when the organization understood they needed help. And the only people who could help them in finding the leopards were the very people from whom they wanted to protect the animals 一 local hunters (猎人).Hunting snow leopards is against the law in Russia, but in the terrible
10、climate of Siberia, the few people living there had to turn to poaching (盗猎)to feed their families.In 2013, Russian naturalist Sergei Spitsyn approached Mergen Markov, a local hunter; and told him his project. Markov agreed to set up the camera where he knew he would find leopards, and it worked.Mar
11、kov, once a poacher, works full time for the conservationists now and has 1() cameras monitoring leopards. u visit each camera once a month. I have known this whole region since I was a child “ he said proudly.The World Wildlife Fund (VVWF) began working with other local villagers in 2015. The villa
12、ge would be paid 40,000 rubles at the end of the year if the image of a snow leopard is caught. WVVF also rents horses from the villagers so that they do not need to make money by poaching anymore. Today there are far fewer leopard poachers but leopards still get caught in traps set for other animal
13、s, so I have to stay watchfub “ said Markov.Changing guns for cameras has made a big difference in the lives of these former poachers, the village, and the Russian snow leopards. The number of snow leopards has been rising and their population is expected to recover to normal levels within 10 years.
14、巅i解读：本文是一篇说明文。为了获知雪豹这种濒危动修的具体数量雪藏管理局 安装摄像头去拍摄雪豹的照片，但因照片极难捕捉而一无所获，于是他们找猎人寻求帮助， 世界自然基金会也和猎人们合作，向他们支付报酬，猎人因此不再通过捕杀雪豹谋生，t 豹的数量一直在增加。1. Why was no picture of snow leopards taken in six months?A. SLC, s 20 cameras failed to work properly.B. The number of snow leopards in the wild was too small.C. The loca
15、l poachers destroyed these cameras on purpose.D. The researchers knew little about the animal s living habits.解析：选B 推理判断题。根据第一段内容可知，雪豹如此难以拍摄，以至于科学家 们甚至不确定有多少这种源危动物仍在野外生存。因为是濒危动物，说明数量非常少，很 难被拍摄到，所以推断6个月内没有照片是因为数量太少了，故选B。2. What did Sergei Spitsyn persuade Markov to do?A. Find the poachers.B. Repair c
16、ameras in the forest.C. Catch more leopards.D. Work for SLC.解析：选D 细节理解题。根据第四段内容以及下文“Markov, once a poacher, works full time for the conservationists now and has 10 cameras monitoring leopards.“可知，Sergei Spitsyn劝说Markov是为了保护雪豹，由此可以推断是为雪豹保护协会工作，故选D。3. Why did the WWF begin working with local villagers
17、?A. To get some pictures of snow leopards.B. To help villagers make a living.C. To prevent villagers from hunting animals.D. To rent their horses at a low price.解析：选A 细节理解题。根据倒数第二段中的“The World Wildlife Fund (WWF) began working with other local villagers in 2015. The village would be paid 40,000 rubl
18、es at the end of the year if the image of a snow leopard is caught.可知，世界自然基金会同当地村 民合作就是为了获取雪豹的图像，故选A。4. How can we describe the WWF, s cooperation with the villagers?A. Practice makes perfect.B. Curiosity kills the cat.C. Kill two birds with one stone.D. Old habits die hard.解析：选C 推理判断题。根据倒数第二段内容可知，世
19、界自然基金会通过支付报酬 换取雪豹图像的方式与当地村民合作并向村民出租马匹以便他们不再通过偷猎赚钱。可见 世界自然基金会和当地村民的合作既可以帮助基金会获取雪豹的图像，又可以减少偷猎者 的数量。由此推断他们的合作同C选项描述更贴切，故选C。BOver the past half-century, North America has lost more than a quarter of its entire bird population, or around 3 billion birds.u We saw this great net loss across the entire bird
20、 community ） “ says Ken Rosenberg, a scientist in Ithaca, N. Y. But we also knew that other bird populations were increasing. And what we didn t know is whether there was a net change.”u Common birds with decreasing populations include dark-eyed juncos and red-winged blackbirds, “ says Rosenberg. aG
21、rassland birds have suffered a 53% decrease, and more than a third of the shorebird population has been lost. Bird populations that have increased include raptors （猛禽）,like the bald eagle, and waterfowl.w“The numbers of ducks and geese are larger than theyve ever been, and thats not an accident, “ s
22、ays Rosenberg. Its because hunters who mainly want to see healthy waterfowl populations for sportful hunting have raised their voices.aPeople are doing a wonderful effort to try and understand our bird populations with a lot of uncertainty, but the actual systems that we have in place to try and ans
23、wer really tough questions like this are really far short of what we need, “ Ted Simons in North Carolina State University says.“In all, the conclusions wereny t necessarily surprising； ” says Kristen Ruegg, a biologist at Colorado State University. There have been hints （暗示）that the loss was this l
24、arge from all kinds of sources over the past few years. But in most cases, these were species-specific records of local extinctions or models of projected losses, resulting from things like climate change. This really sort of wakes people up to the idea that this is happening.Elise Zipkin, a quantit
25、ative ecologist at Michigan State University, says the loss can be a big problem. Just because a species hasn t gone extinct （灭绝）or isn t even necessarily dose to extinction, it might still be in trouble） she says. We need to be thinking about conservation （保护）efforts for that.”|语篇解读：本文是一篇说明文。世界上的鸟类
26、正不断消亡，我们要行动起来保护它们?5. Which of the following becomes more than before?A. Dark-eyed juncos.B. The bald eagle.C. Grassland birds.D. The shorebirds.解析：选B 细节理解题。根据第三段中的Grassland birds have suffered a 53% decrease, and more than a third of the shorebird population has been lost. Bird populations that have
27、 increased include raptors （猛禽）,like the bald eagle, and waterfowl.w 可知，像秃 鹰和水禽之类的数量已经增加了。故选B项。6. Why do duck and goose populations increase?A. To hunt for fun.B. To provide rich foods.C. To escape net loss.D. To keep people healthy.解析：选A 推理判断题.。根据第四段中的Its because hunters who mainly want to see heal
28、thy waterfowl populations for sportful hunting have raised their voices.”可知，鸭子和鹅 的数量增加，原因是猎人想看到有长得结实的水禽供他们打猎嬉戏。故选A项。7. What can we infer from Elise s words in the last paragraph?A. Bird loss can be a big problem.B. Climate change causes part of bird loss.C. Protecting birds is quite necessary.D. Wha
29、t is happening is worth considering.解析：选C 推理判断题。根据散后一段内容可知，Elise认为鸟类数量的减少是一个 大问题，还有一些鸟类正在消亡或不应该灭绝，所以我们要考虑做出努力来保护它们。故 选C项。8. How does the author support the subject of the text?A. By giving examples.B. By showing ideas.C. By explaining numbers.D. By providing research results.解析：选B 推理判断题。纵览全文，作者分别引用了
30、四位专家的观点来告诉我们： 世界上的鸟类正不断消亡，我们要行动起来保护它们。故选B项。n.阅读七选五Will there be an outbreak of bird flu that threatens humans? Many experts disagree on when or whether a human pandemic （大流行病）will occur, but do say there is a chance that the virus could mutate（变异），leading to widespread infection. 1 Herey s what you
31、need to know to help keep yourself healthy.Stock up on food, water and household supplies. If there is a bird flu pandemic, you 11 want to minimize your chance of catching it by staying indoors; you might even be required to stay home if the government asks that people remain in quarantine （隔离期）.You
32、d better stock up today on at least 2-week worth of essentials such as water, food, emergency and medical supplies. 2Have an outbreak plan. It may feel odd or uncomfortable to talk to family members and loved ones about the worst-case pandemic scenario. But if that scenario strikes, you, 11 all be m
33、uch better off if you have a plan decided on and ready. 3 Figure out how you would care for them and what your first response and responsibilities would be; this is an especially important conversation to have with those with special care needs.4 Things like keeping a balanced diet, exercising regul
34、arly and getting sufficient rest can help keep you healthy in an outbreak and also keep you from catching the common cold. Particularly in a flu outbreak situation, it will be important to wash our hands with soap and water for at least 20 seconds. Be diligent about covering coughs and sneezes with
35、tissues.Moreover, know your essential health information such as blood type, allergies, and past or current medical conditions. Make a list of that essential information for all the members of your family. 5 And do make sure everyone in your household knows where to find it.A. Work out regularly to
36、stay slim.B. Pick up the habits of healthy behavior.C. It is wise to keep it somewhere safe and visible.D. It, s important to ask yourself these questions before a pandemic occurs.E. Talk with your friends and family about how youf d respond to an epidemic.F. In that case, the best thing you can do
37、right now is to prepare for that possibility.G. That will help you get through an extended time at home if an outbreak happens.|语篇解读：本文是一篇说明文。文章介绍了人们需要了解的保持健康的知识。|1 .选 F 根据空前的Many experts disagree on when or whether a human pandemic （大流行病）will occur, but do say there is a chance that the virus could
38、 mutate （变异）, leading to widespread infection.w 和空后的“Here s what you need to know to help keep yourself healthy.”可知，F项（在这种情况下，你现在可以做的最好的事情就是为这种可能性 做准备）能够承接上文并且与下文连接通顺。该选项中的thal possibility指的是前一句中的 “there is a chance that the virus could mutate （变异），leading to widespread infectionw o 故 选F项。2 .选 G 根据空
39、前You d better stock up today on at least 2- week worth of essentials such as water, food, emergency and medical supplies” 可知，G 项（如果 流感爆发，这将帮助你在家度过较长的时间）能够承接上文。该选项中的That指的是前一 句的做法。故选G项。3 .选 E 根据空前“But if that scenario strikes, you II all be much better off if you have a plan decided on and ready”和空后
40、Figure out how you would care for them and what your first response and responsibilities would be; this is an especially important conversation to have with those with special care needs.”可知，E 项（与你的朋友和家人谈论 你如何应对流行病）能够承接上文并且与下文连接通顺。空后的内容是对该选项的具体解释。 故选E项。4 .选 B 根据空后Things I ike keep i ng a ba I anced
41、diet, exercising regularly and getting sufficient rest can help keep you healthy in an outbreak and also keep you from catching the common cold. w可知，B项（养成健康的行为习惯）能够与下文连接 通顺。空后的内容是对该选项的具体举例。故选B项。5 .选 C 根据空前“Make a list of that essential information for all the members of your family.“和空后And do make sure everyone in your household knows where to find it.“可 知，C项（将其放置在安全可见的地方是明智的）能够承接上文并且与下文连接通顺。该选项 中的第二个it指的是前一句中的list。故选C项。