新教材人教版必修第二册 Unit2 Wildlife Protection Period One 教案

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1、 1 Unit 2 Wildlife ProtectionUnit 2 Wildlife Protection As we all knowAs we all know 1 1，animals are humans best friends.Animals are valuable resources(资 源) that are helpful to us all through our history.However，many kinds of animals are in danger now！ Animals have been killed for their fur and feat

2、hers， for food， for entertainment， or simply because they are in the way.Thousands of kinds of animals have disappeared from the earth forever so far.Hundreds more are on the danger list today.About 170 kinds in the United States alone are considered in danger.It is high time that we should pay more

3、 attention to how to protect these animals on the earth. Why should we care about the animals in danger？Because animals help us a lot and we need animals.Once they are gone，there will never be any more.Animals are more than just beautiful or interesting.They are more than just a source(来源) of food.E

4、very animal has its place in the balance of nature.Destroying one kind of animal can create many problemsDestroying one kind of animal can create many problems 2 2. Luckily，some people are working to help save the animalsto help save the animals 3 3.Some groups raise money to let people know about t

5、he problemto let people know about the problem 3 3.And they try to get the governments to pass laws protecting animals in danger.Quite a few countries have passed laws.These laws forbid(禁 止 ) the killing of any animal.Slowly ， the number of some animals in danger is growing.Everyone should try to pr

6、otect animals and treat them well. 靓句运用于写作 1As we all knowAs we all know，most of the ratings are based on others judgment on the product or service concerned.(2018江苏，书面表达) 2To be frank，studying for a degree in a different culture is never easystudying for a degree in a different culture is never eas

7、y. (2018北京，书面表达) 3To help them better undTo help them better understand our teaerstand our tea- -drinking culturedrinking culture，we took them to the tea room in our school，where I introduced the history of tea-making and different kinds of tea and so on. (2018北京，书面表达) Period OnePeriod One Listening

8、 and Speaking & Reading andListening and Speaking & Reading and ThinkingThinkingComprehendingComprehending 匹配左边的单词与右边的汉语意思 2 第一组 1antelope A牧群；兽群 2reserve B平原 3plain C保护区；预订；预留 4herd D观察；注视；遵守 5observe E羚；羚类动物 答案 1.E 2.C 3.B 4.A 5.D 第二组 6fur A利润；利益 7sacred B攻击；抨击 8profit C毛(皮)；毛皮衣服 9attack D恢复；康复 10

9、recover E神圣的；受尊敬的 答案 6.C 7.E 8.A 9.B 10.D 第三组 11remove A威胁 12threat B生物；动物 13exist C存在；生存 14harmony D去除；移开 15creature E和谐；融洽 答案 11.D 12.A 13.C 14.E 15.B Step 1Step 1 FastreadingFastreading 1Whats the main idea of the passage? AAntelopes are being killed for their valuable fur and their number is dec

10、reasing rapidly. BIts important for us human beings to protect antelopes and learn to exist in harmony with nature. C Many nature reserves have been set up to protect antelopes in Tibet， Xinjiang and Qinghai. DThe writer with a group of visitors went to Tibet to see the endangered antelopes. 答案 B 2M

11、atch each paragraph with its topic sentence. Para.1 AThe Changtang National Nature Reserve has been set up to protect the animals and plants of northwestern Tibet. Para.2 BThe Chinese government took measures to keep antelopes from attacks. 3 Para.3 CThe purpose of the writer to Tibet. Para.4 DAfter

12、 a days visit，the writer thought a lot in the evening. Para.5 EAntelopes are being hunted illegally for their fur. Para.6 FThe result of the Chinese governments measures is great. Para.7 GDuring the 1980s and 1990s，antelopes were killed badly，causing their number to drop sharply. 答案 Para.1 C Para.2

13、E Para.3 A Para.4 G Para.5 B Para.6 F Para.7 D Step 2Step 2 CaCarefulreadingrefulreading .Judge whether the following statements are true.Judge whether the following statements are true(T T) or falseor false(F F) 1Antelopes mainly live on snow-covered mountains.(F) 2The Changtang National Nature Res

14、erve is a shelter for the animals and plants of southwestern Tibet.(F) 3During the 1970s and 1990s，a large number of antelopes were hunted and their habitats became smaller for heavy pollution.(F) 4Many parks and gates were added to let the antelopes move easily and keep them safe from cars and trai

15、ns.(F) 5Only when we human beings learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.(T) .Choose the best answer.Choose the best answer. 1Whats the purpose of the writer to Tibet? ATo go camping. BTo experience the life in mountains which have thin air. CT

16、o observe Tibetan antelopes. DTo protect Tibetan antelopes. 答案 C 2What can we conclude from what Zhaxi said? AProtecting the wildlife is only his job. BIf the wildlife is endangered，the life of human beings will come to an end. CHe is too worried about antelopes. DAntelopes will be protected in the

17、reserve and live there comfortably. 答案 B 3What caused the number of antelopes to drop sharply in the 1980s and 1990s? APeople wanted to make profits. BSome new roads and railways were built，making their habitats too small. CAntelopes were a danger to local people. 4 DBoth A and B. 答案 D 4What does “n

18、ational protection” in the fifth paragraph mean? ABeing protected by the whole nation. BBeing protected only by the local people. CBelonging to the government. DBeing killed with the permission of the government. 答案 A 5Whats the attitude of the writer to the wildlife protection? ANegative. BSupporti

19、ve. CDoubtful. DUnclear. 答案 B Step 3Step 3 PostreadingPostreading After reading the passageAfter reading the passage，please fill in the please fill in the following blanks.following blanks. We went to Tibet to observe Tibetan antelopes with Zhaxi as our guide.Luckily，on the plain in front of us，we s

20、aw a herd of antelopes 1.moving(move) slowly across the green grass.These beautiful animals reminded me 2.of their danger because every year many of them are hunted 3.illegally(legal) for their valuable fur.Especially in the 1980s and 1990s， their population dropped 4.by more than 50 percent.In orde

21、r 5.to save(save) this species from extinction，the Chinese government placed it 6.under national protection and set up the Changtang National Nature Reserve where Zhaxi works.These measures were 7.effective(effect) and the antelope population has recovered.However，the government doesnt intend 8.to s

22、top(stop) the protection programmes，since the threats to the Tibetan antelopes 9.havent disappeared(disappear)Only when we learn to exist in harmony with nature 10.can we stop being a threat to wildlife and to our planet. Step 4Step 4 SentencelearningSentencelearning 1To our left，snow-covered mounta

23、ins disappear into clouds that seem almost close enough to touch. 句式分析 本句话是复合句。that 引导定语从句，修饰先行词 clouds。主句中 snow-covered 作 定语，修饰 mountains。To our left 为地点状语。 自主翻译 在我们的左面，雪山消失在云层中，这些云层离我们很近，好像伸手就能碰到。 2Watching them move slowly across the green grass，Im struck by their beauty. 句式分析 本句是一个简单句，Watching t

24、hem move slowly across the green grass 为现在 分词作状语，表伴随，与句子的主语 I 为主动关系。 自主翻译 看着它们慢慢地穿过绿色的草地，我被它们的美丽打动了。 5 3The government，however，does not intend to stop the protection programmes，since the threats to the Tibetan antelope have not yet disappeared. 句式分析 本句话是复合句，since 因为，引导原因状语从句。however 放在了主句中，表示转 折关系。

25、自主翻译 然而，政府并没有打算停止这些保护项目，因为对藏羚羊的威胁依然存在。 4Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet. 句式分析 本句话是复合句，when 引导时间状语从句，放在了置于句首的 Only 后面，所以主 句要部分倒装。 自主翻译 只有学会和大自然和谐共处，我们才不会成为野生生物和地球的威胁。 .阅读理解 A A More than two thirds of the worlds polar bears w

26、ill be wiped out by 2050，according to a shocking new study.By then，scientists say，global warming will have melted 42 percent of the Arctic sea ice.By 2100，only a very few of these important creatures will be left. The report has been produced by the US Geological Survey.The scientists have publicize

27、d their findings in the hope of influencing US Interior Secretary Dirk Kempthorne，who has been asked to put polar bears on the US endangered speciesendangered species list. Polar bears depend on floating sea ice as a platform for huntinghunting seals，which are their main food.Without enough ice，pola

28、r bears would be forced to go onto the land，where they are poorly skilled huntershunters，and would be unlikely to adapt toadapt to the life on the land in time.Experts say few little bears would survive and the stress could make many females unable to get pregnant. The team of American and Canadian

29、scientists spent six months studying bears，on the ground，from spotter planes and in the lab，using computer models.Some team members fear the result is even worse for the bears than what their report says.They say the Arctic is warming faster than anywhere in the world and much faster than their comp

30、uter has been forecasting.Satellite observations have showed that the ice has decreased to an all-time low. However，not everyone in the scientific community believes that global warming is happening on such an alarmingalarming scale.Another investigation has found that polar bears are still being hu

31、nted by wealthy “sportsmen” who want their skins and heads.At least ten international companies offer bear-hunting trips. 6 语篇解读 本文通过北极变暖导致北极熊急剧减少的例子来呼吁人们关注全球变暖，同时提 高对濒危动物的保护意识。 1What do we know about Dirk Kempthorne according to the passage? AHe is an animal scientist. BHe is a protector of animals

32、 working for the US government. CHe has been asked to put polar bears on the US endangered species list. DHe has offered to put polar bears on the endangered species list. 答案 C 解析 细节理解题。 根据第二段第二句中的“.US Interior Secretary Dirk Kempthorne， who has been asked to put polar bears on the US endangered spe

33、cies list.”可知 C 项正确。 2Why will polar bears die out if there is not enough sea ice? ABecause polar bears cant catch enough food without ice. BBecause polar bears eat ice when they feel thirsty. CBecause polar bears will be easily found by hunters without ice. DBecause most female bears are used to gi

34、ving birth under ice. 答案 A 解析 推理判断题。由第三段第一句“Polar bears depend on floating sea ice as a platform for hunting seals，which are their main food.”可知 A 项正确。 3After a six-month study，some scientists fear that . Athere is something wrong with their computers Bpolar bears will disappear even faster than the

35、y have ever expected Ctheir computer models are not as accurate as they expected Dglobal warming will destroy everything in the Arctic 答案 B 解析 细节理解题。由第四段第二句“Some team members fear the result is even worse for the bears than what their report says.”可知 B 项正确。 B B Millions of years ago dinosaurs lived

36、on the earth.In the days of dinosaurs the whole earth was warm and wet.There were green forests and they could find enough to eat.Later， parts of the earth became cold and dry，and the forests there died.Then dinosaurs could not find enough to eat.This must be one reason why dinosaurs died out. 7 We

37、can guess another reason.New kinds of animals came on the earth.Some had big brains and were fast and strong.They could kill dinosaurs. There may be other reasons that we dont know about yet.Scientists are trying to make more discoveries about dinosaurs. Dinosaurs were of many sizes and shapes(形状)So

38、me were as small as chickens，while some were about 90 feet long. There were also terrible fights between dinosaurs.They might have happened more than 100 million years ago.Though there was no man to see any of the fights，we can be told by the animals footprints(足迹) that fights did take place. 语篇解读 本

39、文是说明文。恐龙灭绝的原因有很多种，到底哪种更合理些呢？ 4According to the passage，dinosaurs did exist only on the earth. Afor millions of years Bmillions of years ago Cmore than 100 million years ago Dwhen it was warm and wet somewhere 答案 B 解析 细节理解题。根据文章开头第一句可知。 5One reason why dinosaurs died out is that . Athere were too man

40、y dinosaurs Bparts of the earth became cold and dry Cthe dead forests there could not supply them with enough food Dthey couldnt find enough to eat 答案 D 解析 细节理解题。根据第一段的最后两句可知。 6We can see from this passage that . Ascientists are trying to make some dinosaurs Bdinosaurs are dangerous enough Cdinosaur

41、s are worth studying further Dscientists know nothing about dinosaurs 答案 C 解析 细节理解题。根据第三段中的“Scientists are trying to make more discoveries about 8 dinosaurs.”可知。 7That terrible fights can be explained by . Adinosaurs footprints Bimagination(想象) Crocks and forests Ddinosaurs eggs 答案 A 解析 细节理解题。根据最后一段

42、最后一句话可知。 C C Seal Island is a 200-meter long island in South Africa，which is surrounded by 55 to 57 degrees Fahrenheit waters and covered with over 60,000 seals and some birds.This island has been home to many birds and seals.You may think this island is a paradise.In fact， the island is not famous

43、for the seals or birds.However，the real stars are the great white sharkssharks that leap out of the water to catch the seals they are hunting. You may think that there is no way for a 15-foot long，3,000-pound shark to hurl its body out of the water and catch a seal in midair.Actually，these sharks ar

44、e called “Air Jaws” Over the years，the seals have gotten smarter.Now，they go out in groups of seven or eight to feed.They swim down on the sea floor，which gives them extra camouflage(掩饰)When they have to swim near the water surface，they swim in a zigzag(之字形的) pattern.But with all these tricks，they c

45、an still be outwitted(以智取胜) by the sharks.Usually，the sharks will take one seal away from its group and force it to swim on the surface，where it is easy to hunthunt.Sometimes，the seal is lucky and gets away，but most of them die in the process of trying to survive. Every year，tourists go to see these

46、 amazing animals leap out of the water，sometimes flinging(抛) their whole bodies into the air when they want to catch the seals.Some people even want to go into shark cages to see the action from below! This is the reason why this island attracts thousands of tourists around the world every year. 语篇解

47、读 本文是说明文。作者向我们介绍了位于南非的海豹岛。在该岛周边的水域大白鲨 常常跳出水面猎食海豹，这一景象吸引了许多游客前去观看。 8What probably makes Seal Island famous? 9 AThe large number of seals in the water. BThe way the great white sharks hunt. CThe beautiful scenery of the island. DThe special position of the island. 答案 B 解析 推理判断题。根据第一段最后一句“However，the r

48、eal stars are the great white sharks that leap out of the water to catch the seals they are hunting.”可知，大白鲨跳出水面 捕食海豹是海豹岛闻名于世的主要原因。 9Why do the seals swim in a zigzag pattern? ATo save energy. BTo warm themselves. CTo look for food. DTo avoid the white sharks. 答案 D 解析 推理判断题。第三段列举了海豹躲避大白鲨的方法，其中一种方法就是在水里“之”字形游 动。 10We can infer from the third paragraph that . Awhite sharks are dangerous animals Bthe seals are cleverer than the white sharks Cthe sharks are successful in hunting the seals Dthe seals usually swim near the water surface 答案 C 解析 推理判断题。根据第三段可知，多年来海