选必 1 Unit 5课文填空.docx

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1、Unit5 Working the Land Reading and thinking (P50)A Pioneer for All PeoplePara.1 Yuan Longping, known as the father of hybrid rice1.( ), is one of Chinas most famous scientists. Yet, he considers himself a farmer because he 2._(continue) works the land in his research. Indeed, his slim but strong bod

2、y is just like that of millions of Chinese farmers,3._whomhe has4._(把.献给;专心于)his life.Para.2 Yuan Longping was born in 1930 in Beijing. His parents wanted him 1._(pursue) a career in science or medicine. However, 2._ concerned him most was that farmers often had poor harvests and sometimes even had

3、a serious3._(不足;缺少)of food to eat. 4._ _ _ _(为了应对这一危机), he chose to study agriculture and received an education at Southwest Agricultural College in Chongqing.Para.3 After graduating in 1953, heworked asa researcher. Yuan Longping realised that larger fields were not the 1._(solve). Instead, farmers

4、 needed toboostyields2.( ) in the fields they had. 3._ this could be done was a 4._(challenge) question at the time. Yuan was5._(坚信;深信)that the answer could be found in the 6._(create) of hybrid rice. A hybrid is a cross between two or more 7._(vary) of a species. One8._(特征;特点;品质)of hybrids is that

5、they usually9._(获得;得到)a higher yield than10._(传统的)crops. However, whetherit was possible todevelop a hybrid of self-pollinating plants 11.( )such as rice was a matter of great debate. The common12._(假定;设定)then was that it could not be done.Through13._(十分强烈的;激烈的)effort, Yuan14._(克服;解决;战胜)enormous tec

6、hnical difficulties to develop the first hybrid rice that couldbe used forfarming in 1974. This hybrid enabled farmers 15._ _ _ _ _(大幅增加他们的产量).Para.4 Today,1._ _ _ _(据估计) about 60 percent of 2._(国内的) rice 3._(消耗;消耗量;消费) in China is comprised of 4.( )crops 5._(产生;引起;使.形成) from Yuans hybrid strains 6.

7、( ), and his strains have allowed Chinas farmers to produce around 200 million tons of rice per year. Yuans 7._(创新;创造) has helped feed not just China, but many other countries that depend on rice as well, such as India and Vietnam. Because of his 8._(value) contributions, Yuan Longping has received

8、numerous 9.( )awards both in China and abroad.Para.5 Given that 1.( )Yuans hybrids have made him quite wealthy, one might think he wouldretire toa life of2._(闲暇;休闲). However, this is far from the case. 3._ _ (在内心深处;本质上;实际上), Yuan is still very much a farmer at heart. As a man of the4._(泥土;土壤), he ca

9、res little for5._(名望;名誉;名流)or money. Instead, he makes large 6._(donate) to support agricultural research.Para.6 1._ impresses people most about Yuan Longping is 2._ _ _ _ _ _ _(他的不断实现梦想的能力). Long ago, he envisioned 3.( )rice plants as tall as sorghum4.( ), with each ear of rice as big as a broom 5.

10、( ), and each6._(谷物;谷粒;颗粒)of rice as huge as a peanut. Hesucceeded in producinga kind of rice that could feed more peopleat home and abroad. His latest7._(想象;视野;视力)for seawater rice has also become a8._(real), and potentiallyopened upnearly one million square kilometres of9._(salt)land in China for

11、rice production. Despite his 10._(advance) years, Yuan Longping is still youngat heartand full of vision, and everyone is waiting to see 11._ he will dream up next.Using language (P55)Chemical Versus Organic Farming 化学与有机农业的比较Para.1 Chemical pesticides and artificial fertilisers have been in1._(普遍的;

12、广泛的)use in farming since the middle of the 20th century. When they were first 2._(introduce), many farmers welcomed them 3._ a great way to fight crop disease and increase 4._(produce). Over time, however, 5._ some scientists have found is 6._ their long-term use can sometimes harm both the land and

13、 peoples health.Para.2 For example, pesticides can damage the land by killing not only harmful bacteria 1.( )and insects, but also helpful ones.In 2._(add), these chemicals can stay in the soil and underground water sources for a long time. This affects the crops 3._(grow) on the land and,4._ _(相应的;

14、转而;依次;轮流), the animals and humans who5._(消化)them. Many people worry that these chemicals may make them ill and even cause cancer. In fact, some pesticides like DDT have been 6._(禁止;阻止) in most countries because of the damage they cause to people and the environment.As forchemical fertilisers, crops

15、grown with them usually grow too fast tobe rich in7._(营养). They may look beautiful on the outside, but inside there is usually more water than8._ _(必需的矿物质), and they often have less 9._(味道) as well.Para.3 As an1._(可供选择的事务), some farmers have switched to 2._ _(有机耕作), and many customers have turned to

16、 organic food when they shop at the local3._(食品杂货店) Organic farming is simply farming without 4._(use) any chemicals. Organic farmersfocus onkeeping their soil rich andfree of5.( )disease through natural means. For example, many organic farmers use natural waste from animals as fertiliser 6.( ). Thi

17、s makes the soil in their fields richer in minerals. It also keeps the air, soil, water, and crops free of chemicals.Para.4 Organic farmers also use many other methods 1._(produce) rich soil. They often change the kind of crop 2._(grow) in each field every year.For3._(例子;实例), they may grow corn or w

18、heat in a field one year, and then grow beans there the next. 4._ different crops are grown is because they put important minerals back into the ground, 5._(make) it ready again for the next batch of crops. Organic farmers also plant diverse crops that use different6._(深度)of soil to help keep it ric

19、h. For example, peanuts grow on the grounds surface, but many other vegetables put down deep7._(根). The goal of using different organic farming methods is 8._(grow) good food while avoiding damage to the environment or to peoples health.Para.5 Some people would prefer to stop the use of man-made che

20、micals in agriculture1._(全部地;完整地;完全地). 2._keeps them from doingso is the fact that chemical farming serves the high demand for food around the world. Organic farming is nowhere near able tomeet that need. 3._, there is still a long way 4._(find) a suitable solution that puts sufficient 5.( )food on

21、the dinner table while keeping people and the environmentas healthy as possible.Reading and thinking (P50)参考答案Para.1 1.杂交水稻之父 2.continually 3.to 4.devotedPara.2 1.to pursue 2.what 3.shortage 4.Totacklethiscrisis Para.3 1.solution 2.提高产量 3.How 4.challenging 5.convinced 6.creation 7.varieties 8.charac

22、teristic 9.attain 10.conventional 11.自花授粉植物 12.assumption 13.intense 14.overcame 15.toexpandtheiroutputgreatlyPara.4 1. it is estimated that 2.domestic 3.consumption 4.包括;包含;由.组成 5.generated 6.杂交水稻品种 7.innovation 8.invaluable 9.众多的;许多的Para.5 1.conj.鉴于 2.leisure 3.Deep down 4.soil 5.celebrity 6.donat

23、ionsPara.6 1.What 2.his ongoing ability tofulfill his dreams 3.展望;想象 4.高粱 5.扫把;扫帚;金雀花 6.grain 7.vision 8.reality 9.salty 10.advanced 11.whatUsing language (P55)参考答案Para.1 1.widespread 2.introduced 3.as 4.production 5.what 6.thatPara.2 1.细菌 2.addition 3.grown 4.in turn 5.digest 6.prohibited 7.nutrition 8.essential minerals 9.flavourPara.3 1.alternative 2.organic farming 3.grocery. 4.using 5.无.的 6.肥料 7.Para.4 1.to produce 2.grown 3.instance 4.Why 5.making 6.depths 7.roots 8.to grow 9.Para.5 1.entirely 2.What 3.Therefore 4.to find 5.足够的;充足的