1、高效作业21 Period Reading and Thinking(见学生用书P141)语言基础巩固.单词拼写1She has to overcome_ great difficulties to make a life in a new city. 2As an ambitious guy, he worked very hard to attain_his ambition. 3Solar energy has been used to generate_electricity in some countries. 4Many people are out of work due to
2、the economic crisis_. 5How will the government tackle_the problem of poverty in those cities?6This imagined tragedy may easily become a harsh _reality_(事实) we all shall know.7He became something of a _celebrity_(名人) in his home town.8Because of the boost_ in advertising, people are used to seeing a
3、high standard of visual design.9Look! A group of Tibetan antelopes is moving under the bridge, with some stopping to eat grass at their _leisure_(休闲).10I had never imagined that the atmosphere at a sports event could be so intense_.单句语法填空1However, it has now become clear that this ideal cannot be _a
4、ttained_(attain), either in practice or in principle.2The proposal _has_generated_(generate) a lot of interest so far.3It was difficult _to_estimate_(estimate) how many buildings had been destroyed. 4The project was predicated on the _assumption_(assume) that the economy was expanding.5More than one
5、 _generation_(generate) of schoolchildren has been amazed by his bravery and his scientific approach to looking for the truth.选词填空far from; devote.to; be comprised of; depend on; deep down; overcome (great) difficulties; given that.; tackle the crisis1All these funds raised _were_devoted_to_the buil
6、ding of sports facilities and construction of stadiums.2The medical team _is_comprised_of_ten doctors and twenty nurses.3I have so many friends, but _deep_down_， I have a fear of loneliness. 4Whether the game will be played _depends_on_the weather.5To be honest, your son is _far_from_trustworthy.6_G
7、iven_that_theyre new here, I will guide them around the city.7He _overcame_(great)_difficulties_and at last made great achievements in his field.8It is tough, but they are still struggling to find a peaceful solution to _tackle_the_crisis_.完成句子1据估计，那项工程要耗费6万美元。_It_is_estimated_that_the project will
8、cost $60，000. 2让游客们印象深刻的是优美的风景。_What_impresses_the_visitors_ is the picturesque scenery. 3他成功的演艺事业使他富有。His successful acting career_makes_him_wealthy_. 4他成功地解决了公司面临的危机。He_succeeded_in_tackling_the_crisis_facing the company. 5鉴于她对小孩感兴趣，我敢肯定教书是最适合她的职业。_Given_her_interest_in_children/Given_that_she_is_
9、interested_in_children_， Im sure teaching is the right career for her.课文语法填空阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。Known as the “father of hybrid rice”， Yuan Longping is one of Chinas 1_most_famous_(famous) scientists, 2_who_considers himself a farmer despite his fame and influence. 3_To_tackle_(tackle
10、) the crisis of food 4_shortage_(short), he attended Southwest Agricultural College and made up his mind to study agriculture. Then as a researcher, he 5_devoted_(devote) himself to finding an approach to boosting yields without 6_expanding_(expand) the area of land.Having overcome enormous difficul
11、ties, he developed the first hybrid rice in the world that could be used for farming in 1974, which made 7_it_possible for farmers to expand their output 8_greatly_(great). Not only has his innovation helped to feed China, but it has alleviated hunger in other countries depending on rice like India
12、and Vietnam. 9_Given_(give) his great contributions, he has received numerous awards both in China and abroad. In spite of being wealthy, he cares little for celebrity or money and makes large donations to support agricultural research. Old 10_as/though_he is, he is still working hard to fulfil his
13、dream. 话题语篇提升.阅读理解While some farmers are quick to tell visitors to get off their land, David Walston is doing the opposite. He has donated land on his family farm to create two large community vegetable gardens and invited surrounding villages to get involved.“I thought the thing I can do fairly uni
14、quely is to provide the land and machinery to try to make peoples lives better during the lockdown，” Mr Walston, 37, who runs Thriplow Farms, south of Cambridge, said. “The enthusiasm has surprised me a lot, with 114 people from five villages signing up.”The two 1，000 sqm areas will be open to anyon
15、e to help with any job that needs doing. A wide range of vegetables will be grown, including peas, broccoli, sweetcorn, squash, potatoes and leeks. In Mr Walstons scheme, which he has called Coveg, people can do as much or as little as they like and the produce will be shared. Any surplus will be gi
16、ven to the elderly and NHS workers. None of the produce will be sold and distribution will be only loosely linked to the amount of work done.He is lending his machinery for the backbreaking work. Farm suppliers are supporting the project, with Kings Seeds and Tozer donating seeds and Howseman Agricu
17、lture offering irrigation equipment.Claire Mackenzie, 47, a doctor from Barrington, has agreed to bring seeds in their own gardens to the community plots. She sees Coveg as a way of connecting local people to the countryside that surrounds them. “We live in an arable area but we often do not know ou
18、r farmers. This is a brilliant way of pulling people together, ” she said. She hopes to get her two teenage sons involved.Mr Walstons idea has already prompted three local farmers who also want to donate parcels of their land to contact him. They have a corner of land that would be suitable and mach
19、inery that would take the backbreaking work out of preparation. They cant wait to offer.(B)1Which of the following was unexpected according to Mr Walston?AThe quality of peoples lives.BThe number of participants.CThe decision to donate land.DThe idea to create vegetable plots.(D)2How will the vegeta
20、bles be distributed?AOn a onetoone basis.BAccording to the family size.COn a first come, first served basis.DAccording to the amount of work done.(D)3What is Claires attitude to vegetable garden project?ASkeptical.BCautious.CAmbiguous. DFavourable.(A)4Which of the following can replace the underline
21、d word “prompted” in the last paragraph?AInspired. BDiscouraged.CThreatened. DPersuaded.答案及解析：【语篇解读】这是一篇记叙文。文章主要讲述了Walston捐赠了自家农场的土地，创建了两个大型社区菜园，并邀请周边村庄参与进来的故事。1B细节理解题。由第二段最后一句“The enthusiasm has surprised me a lot, with 114 people from five villages signing up.”可知，参加人员的数量使Mr Walston惊讶，也就是题干所说的：出乎意料
22、(unexpected)。2D细节理解题。题干关键词“distributed”对应原文的“distribution”。由第三段最后一句“None of the produce will be sold and distribution will be only loosely linked to the amount of work done.”，可知，产品的分配是按照所干活的量(amount of work done)来决定的。3D推理判断题。由第五段“We live in an arable area but we often do not know our farmers. This i
23、s a brilliant way of pulling people together， she said. She hopes to get her two teenage sons involved.”可知，Claire对菜园项目持支持态度。故选D项。4A词义猜测题。由最后一段可知三个当地农民迫不及待地让出自己的土地，说明Walston的想法已经成功激励了更多的人参与项目，由此可知prompted的意思是“激励”。故选A项。.七选五根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。How to Eat Better for the PlanetIs it
24、possible to have a diet thats both healthy and friendly to our planet? Here are answers to your ecofriendly food questions.Does what I eat have an effect on climate change?Yes. The worlds food system is responsible for about one quarter of the planetwarming greenhouse gases that humans generate each
25、 year. That includes raising and harvesting all the plants, animals, and animal products we eat. 1_E_How exactly does food contribute to global warming?When some forests are cleared to make room for farms, cattle, sheep or other livestock, some serious problems may come up. 2_G_Also, fossil fuels ar
26、e used to operate farm machinery, make fertilizer, and ship food around the globe, all of which generate emissions.What about chicken?A number of studies have found that chickens, ducks, and other birds have a lesser climate impact than cattle or sheep kept on a farm. 3_D_Especially at converting fe
27、eding materials into animal meat, the efficiency is highly improved, though this has prompted major concerns about animal welfare.Is organic produce better for the climate?Organic produce is grown without synthetic fertilizers or pesticides, but that doesnt mean its necessarily better than conventio
28、nally grown produce from a climate perspective. 4_C_In some cases it can be worse.5_B_Its true that one person alone just makes a little bit in the climate problem. On the other hand, if many people made changes to their diets, that could start to add up. Experts have argued that it would make a big
29、 difference if the worlds heaviest meat eaters scaled backeven moderately.ADoes what we eat matter?BCan I really make a difference?COrganic farms often require more land.DModernday chickens are bred to be extremely efficient.EProcessing, packaging, and shipping food are also part of it.FAdvances in
30、chicken breeding are helping to reduce the cost of it.GLarge stores of carbon released into the atmosphere heat up the planet.答案及解析：【语篇解读】这是一篇议论文，文章阐述了人们的整个食物系统是如何对地球变暖产生影响的。1E本空承接上文。由上文“The worlds food system is responsible for about one quarter of the planetwarming greenhouse gases that humans gen
31、erate each year.”可知，本段在讲人类的食物系统是怎样产生温室气体的；上句“That includes raising and harvesting all the plants, animals, and animal products we eat.”告诉我们：这个食物系统包括饲养和收获各种植物、动物及动物产品，所以，E项“加工、包装和运输食物也是其中一部分”符合语境。2G本空承接上文。上句告诉我们：当一些森林为农场、牛、羊或其他家畜让地方而被清除时，一些很严重的问题就出现了。本空承接上文，因此可推出，接下来讲“严重的问题是什么”，所以G项“被排放到大气层中的大量二氧化碳就会
32、使地球变暖”符合语境。故选G。3D由本段大意可知，本段主要讲述“鸡”的影响；再根据本空上一句，“A number of studies have found that chickens, ducks, and other birds have a lesser climate impact than cattle or sheep kept on a farm”，本空承接上文，因此可推出，接下来应该讲“鸡是怎样更小地产生影响的”，所以D项“Modernday chickens are bred to be extremely efficient”符合语境。故选D。4C本空承接上文。由本段大意可
33、知，本段主要讲述“有机耕种”的影响；再根据本空上一句“but that doesnt mean its necessarily better than conventionally grown produce from a climate perspective”，本空承接上文，本空讲有机耕种的缺点，所以C项“有机耕种需要更多土地”符合语境。5B这是一个主题句。由上文主题句的形式可知，答案确定在前两项中。由下文中“Its true that one person alone just makes a little bit in the climate problem. On the other hand, if many people made changes to their diets, that could start to add up.”可推出，作者在号召所有人都做出努力，故B项“我真的可以起到作用吗？”符合语境。