1、Unit 5-SectionAReading and Thinking 基础巩固基础巩固&综合提升综合提升 【基础巩固】【基础巩固】 【选词填空】 devote oneself to,deep down,other than, be comprised of,depend on,dream up 1.We believe firmly what you haveis sure to come true. 2.A yearthe four seasons of spring,summer,autumn and winter. 3.,she supported her husbands invol
2、vement in the organisation. 4.The partywhether or not they collect enough money. 5.The form cannot be signed by anyoneyourself. 6.Whothe idea of painting our living room wall a bright red? 【单句语法填空】 1.The first reason to(应对) these problems is to save childrens lives. 2.The rapid increase in populatio
3、n caused a(缺乏) of natural resources. 3.In our school,most of our students afive “A” grades in their exams. 4.One(特点) I have observed over the years in all great software developers is their passion for their work. 5.The cost of building railway was eat over one hundred thousand pounds. 6.I dont thin
4、k theres enough information to make an(假 设). 7.Joanna has finally made it to the first rank of(名人) after 25 years as an actress. 8.Output consists of both exports and sales on the(国内的) market. 【完成句子】 1.据估计,到 2050 年,将有 13 亿人使用英语作为第一语言或第二语言。 that 1.3 billion people will use English as either a first o
5、r a second language by 2050. 2.使我印象最深刻的是残疾人乐观的态度。 most is the optimistic attitude of the disabled. 3.我从没有想到你能成功地说服他改变主意。 It never occurred to me that you couldhim to change his mind. 4.大学毕业后,我第一次在一个新的城市里独自谋生。 college,I lived by myself in a new city for the first time. 5.如果他能再一次得到机会的话,他肯定会成功的。 he can
6、 get another chance,he will surely succeed. 【综合提升】【综合提升】 【语法填空】 The world itself is becoming much smaller by using modern traffic and modern communication means.Life today is much easier than it 1. hundreds of years ago,2.it has brought new problems.One of the 3.(big) is pollution.Pollution comes in
7、 many 4. (form).We see it,smell it,drink it and even hear it. Man has been polluting the earth.The more people,the more pollution.Manyyearsago,theproblemwasnotsoserious5. there were not so many people.When the land 6.(use) up or the river was dirty in one place,man moved to another place.But this is
8、 no longer true.Man is now 7.(slow) polluting the whole world. Air pollution is still the most serious.Its bad for all living things in the world.Water pollution kills our fish and pollutes our drinking water.Noise pollution 8.(make) us angry more easily. Manycountriesaremakingrules9.(fight) polluti
9、on.They stop people from 10.(burn) coal in houses and the factories in the city,and from putting dirty smoke into the air. 【阅读理解】 A The connection between people and plants has long been the subject of scientific research.Recent studies have found positive effects.A study conducted in Youngstown,Ohi
10、o,for example,discovered that greener areas of the city experienced less crime.In another,employees were shown to be 15% more productive when their workplaces were decorated with houseplants. The engineers at the Massachusetts Institute of Technology (MIT) have taken it a step furtherchanging the ac
11、tual composition of plants in order to get them to perform diverse,even unusual functions.These include plants that have sensors printed onto their leaves to show when theyre short of water and a plant that can detect harmful chemicals in groundwater.“Were thinking about how we can engineer plants t
12、o replace functions of the things that we use every day,”explained Michael Strano,a professor of chemical engineering at MIT. One of his latest projects has been to make plants glow(发光) in experiments using some common vegetables.Stranos team found that they could create a faint light for three-and-
13、a-half hours.The light,about one-thousandth of the amount needed to read by,is just a start.The technology,Strano said,could one day be used to light the rooms or even to turn trees into self-powered street lamps. In the future,the team hopes to develop a version of the technology that can be spraye
14、d onto plant leaves in a one-off treatment that would last the plants lifetime.The engineers are also trying to develop an on and off “switch” where the glow would fade when exposed to daylight. Lighting accounts for about 7% of the total electricity consumed in the US.Since lighting is often far re
15、moved from the power source(电 源)such as the distance from a power plant to street lamps on a remote highwaya lot of energy is lost during transmission( 传 输 ).Glowing plants could reduce this distance and therefore help save energy. 1.What is the first paragraph mainly about? A.Anew study of differen
16、t plants. B.Abig fall in crime rates. C.Employees from various workplaces. D.Benefits from green plants. 2.What is the function of the sensors printed on plant leaves by MIT engineers? A.To detect plantslack of water. B.To change compositions of plants. C.To make the life of plants longer. D.To test
17、 chemicals in plants. 3.What can we expect of the glowing plants in the future? A.They will speed up energy production. B.They may transmit electricity to the home. C.They might help reduce energy consumption. D.They could take the place of power plants. 4.Which of the following can be the best titl
18、e for the text? A.Can we grow more glowing plants? B.How do we live with glowing plants? C.Could glowing plants replace lamps? D.How are glowing plants made pollution-free? B The organic food has gained a lot of popularity as they are being considered healthier and tastier.A fair number of people ad
19、vocate a large-scale shift to organic farming from conventional agriculture.But this might not seem well-founded. Since the mid-19th century,conventional industrial agriculture has become incredibly efficient on a simple land to food basis.Conventional farming gets more and more crop per square foot
20、 of land,which can mean less wilderness needs to be transformed to farmland. To make farming more efficient,conventional agriculture uses a significant amount of synthetic fertiliser(合成肥料) each year,and all that nitrogen(氮)enables much faster plant growth.However,the cost is paid in vast polluted de
21、ad zones at the months of many of the worlds rivers,because much of the nitrogen ends up running off the soil and into the oceans.This also makes conventional farming one of the major threats to the environment. To weaken the environmental impact of agriculture,improve soil quality as well as produc
22、e healthier foods,some farmers have turned to organic farming.Environmentalists have also welcomed organic food as betterfortheplanetthanthefoodproducedbyagricultural corporations.Organicpracticesrefusingartificialfertilisersand chemical pesticidesare considered far more sustainable.Sales of organic
23、 food rose 7.7% in 2010,up to $26.7 billionand people are making those purchases for their moral senses as much as their tongues. Yet a new meta-analysis in Nature does the math and comes to a hard conclusion:organic farming produces 25% fewer crops on average than conventional agriculture. In the N
24、ature analysis,scientists performed an analysis of 66 studies comparing conventional and organic methods across 34 different crop species,from fruits to grains.They found that organic farming delivered a lower output for every crop type,though the difference varied widely.For crops like fruit trees,
25、organic farming trailed( 落 后 于 )conventional agriculture by just 5%.Yet for major grain crops and vegetablesall of which provide the worlds main caloriesconventional agriculture outperformed organic farming by more than 25%. What that means is that while organic farming may be more sustainable than
26、conventional agriculture,there are trade-offs(此消彼长) with each.So an ideal global agriculture system may borrow the best from both systems rather than upholding merely organic or conventional practices. 5.What do we know about conventional farming? A.It produces more crops with fewer fertilisers. B.I
27、t achieves efficiency at a huge cost to the environment. C.It offers a long-term solution to global demand for food. D.Itperformsfarbetterforeachcroptypethanorganicfarming. 6.What does the author most probably agree with? A.Employing organic farming to plant rice. B.Adopting organic practices to gro
28、w potatoes. C.Using conventional methods to plant cabbages. D.Applying conventional farming to grow apples. 7.Whats the authors purpose of writing the passage? A.To compare two types of farming. B.To criticise conventional agriculture. C.To discuss the development of farming. D.To argue for a realis
29、tic agriculture system. 参考答案 【基础巩固】【基础巩固】 【选词填空】 1.devoted yourself to 2.is comprised of 3.Deep down 4.depends on 5.other than 6.dreamed up 【单句语法填空】 1.tackle 2.shortage 3.attained 4.characteristic 5.estimated 6.assumption 7.celebrity 8.domestic 【完成句子】 1.It is estimated 2.What impressed me 3.succeed in persuading 4.After graduating from 5.Given that 【综合提升】【综合提升】 【语法填空】 1.was 2.but 3.biggest 4.forms 5.because 6.was used 7.slowly 8.makes 9.to fight 10.burning 【阅读理解】 1-4DACC 5-7BCD
