1、Unit 3 Conservation Section Topic Talk & Lesson 1 The Sixth Extinction 一、用下面方框中所给短语的正确形式填空 shoulder the blame take action wipe out it occurred to die out cut the risk in short solar energy set up live on 1. me that I could use your car to fetch my homework. 2.Organisations to help those affected by
2、the earthquake. 3.Jogging can of diseases such as heart attack. 4.To ensure the pod can use ,it was equipped with these panels. 5.We need to to prevent similar disaster to happen again. 6.The animal meat instead of grass. 7.The driver was brave enough to . 8.The medicine can help unhappy memories. 9
3、. ,we need another 3 million dollars to cover the expense. 10.Measures should be taken before the endangered animals . 二、完成句子 1.The biscuit company (该为受责备) for turning off the customers. 2.You need to reconsider the way (你看待世界) to live a happier life. 3.In the last 500 million years,there (有 5 次) wh
4、en life on Earth has almost ended. 4. (立刻采取措 施) to deal with water pollution. 5.We need to stop destroying the planet (我们生活的) and start to protect it. 6.I couldnt have passed the test (没有你及时的帮助). 7.What is happening now is certainly (值得担 忧). 8.Human activity has negative effect on all other species
5、on Earth, (包括动物和植物). 三、阅读理解 Striking footage(镜头) recorded for National Geographic shows a dying polar bear struggling to find food on a land without ice or snow.The poor creature can be seen dragging its bony frame(骨架) across the rough land and searching for food in a bin. Paul Nicken,the photograph
6、er who shot the heart-breaking footage,says the sight reduced him to tears.“We stood there cryingfilming with tears rolling down our cheeks,” he said.They found the dying creature on Canadas Baffin Islandan area that has seen an extreme reduction in sea ice because of global warming. Nicken says tha
7、t had he stepped in,it would only have deepened the situation.Instead,he filmed the bears slow,painful death and posted it to social media to serve as visual proof of the impact of climate change.“When scientists say bears are going extinct,I want people to realise what it looks like.Bears are going
8、 to starve to death,” said Nicken.“This is what a starving bear looks like.” Polar bears are only native to the Arctic region and are one of the many casualties(伤亡) of climate change.They rely on the Arctic ice to hunt seals and are becoming increasingly threatened as the ice melts away. The World W
9、ildlife Fund(WWF) predicted back in 2002 that polar bears may face extinction for losing habitat.There are an estimated 25,000 bears left in the wild and most experts agree that unless climate change is controlled,they will all be dead within the next 100 years.“The simple truth is thisif the Earth
10、continues to warm,we will lose bears and the entire polar ecosystem.This large male bear was not old,and he certainly died within hours or days in that situation,” Nicken wrote on Instagram.But there are solutions.We must begin putting the Earthour homefirst. 1.What can people see in the striking fo
11、otage? A.A starving polar bear. B.Some dying creature. C.A crying photographer. D.The reduction of sea water. 2.Why did Paul Nicken post the footage on social media? A.To raise peoples awareness of climate change. B.To get a prize in photography competition. C.To attract readers interest in bears. D
12、.To raise money for bear protection. 3.What do we know about the polar bears from the passage? A.The polar bears that are left can be found in Canada. B.They were hunting seals when taken photos of. C.The WWF has done a lot to protect them. D.Melting ice is a huge threat to their life. 4.What can we
13、 learn from the last paragraph? A.The unknown diseases increased polar bears deaths. B.The whole bear ecosystem will suffer a heavy loss. C.The destruction of forest affected the ecosystem. D.The polar bear will be extinct in this century. 四、七选五阅读理解 Cleaning up the existing damage to our environment
14、 and preventing further destruction is a huge job.It can seem that there is no way one person,especially a young person like you,can make a difference. 1 ,starting with changing some simple everyday habits and working with others to spread the importance of protecting the environment.Here are a few
15、suggestions. Avoid unnecessary driving or being driven.Every teenager looks forward to a drivers license and a first car,but automobiles are one of the primary causes of air pollution.If its too far to pedal a bike,take a bus or share your car ride with someone else. 2 ,but it undoubtedly benefits t
16、he environment more. Unplug electrical equipment when possible.Even when turned off,some appliances may still use power. 3 .So it is best to unplug anything that you do not expect to use in the next 36 hours (or more). Carry a bag and a reusable water bottle. 4 .On the contrary,plastic bags and disp
17、osable bottles may bring convenience to you,but the environmental damage caused by them is almost permanent.Every plastic bottle not made and plastic bag not used helps a little bit. Raise awareness.Talk to family and friends about simple changes they can make,and why they should do so to help prote
18、ct the environment. 5 .Its acceptable to just show them that you have thought a lot about the subject,are passionate about making a difference,and really could use their support. A.But you can make your contribution B.It might not seem as cool as driving yourself C.This saves your money with fewer t
19、rips to the gas station D.They dont take up much space but can prevent a lot of waste E.You dont have to give lectures or force them to accept your opinions F.They may be the secret sources of the large number on your electric bill G.This can help start a dialogue in your community about a particula
20、r environmental issue 答案： 一、1.It occurred to 2.were set up 3.cut the risk 4.solar energy 5.take action 6.lives on 7.shoulder the blame 8.wipe out 9.In short 10.die out 二、1.is to blame 2.you view the world 3.have been five times 4.Immediate action should be taken/We should take immediate action 5.tha
21、t we live on 6.without your timely help 7.cause for concern 8.including animals and plants 三、1.A 细节理解题。根据文章首句可知,国家地理的镜头记录了一只濒临死亡 的北极熊在没有冰雪的土地上挣扎着寻找食物。 2.A 细节理解题。根据第三段中的“Instead,he filmed the bears slow,painful death and posted it to social media to serve as visual proof of the impact of climate chan
22、ge.When scientists say bears are going extinct,I want people to realise what it looks like.Bears are going to starve to death, said Nicken.This is what a starving bear looks like.”可知选 A项。 3.D 推理判断题。根据第四段中的“They rely on the Arctic ice to hunt seals and are becoming increasingly threatened as the ice melts away.”可知选 D项。 4.B 推理判断题。根据最后一段中的“The simple truth is thisif the Earth continues to warm,we will lose bears and the entire polar ecosystem.”可以看出,整个极地的生态系统将 遭受重大损失。 四、15 ABFDE
