1、Unit 2 Section Warming Up & ReadingLanguage Points课时作业.单句语法填空1He makes it a rule to take (take) part in some physical labor though he is old.2Are you right? If so，I will agree with you.3A great number of people are going hungry and hundreds of children have died of hunger. (hungry)4Disturbing (distu
2、rb) news came that an unknown disease was spreading in the area.5The tree is four times taller (tall) than that one.6George is going to talk about the geography of his country, but Id rather he focused (focus) more on its culture.7Dina, having struggled (struggle) for months to find a job as a waitr
3、ess, finally took a position at a local advertising agency.8The woman film star has expanded her career to other fields of entertainment.9Thanks to your inspiration, I am successful.10Having rid the company of the heavy debts, the manager smiled with satisfaction (satisfy).单句改错1This river is twice a
4、s longer as that one.longerlong2Theyre satisfied with the satisfied performance.第二个satisfiedsatisfying3Further measures will be taken to rid our streets off crime.offof4He was disturbing to learn that his child was ill.disturbingdisturbed5Knocked down by a bike, he was badly hurt and had to struggle
5、 on his feet.onto .阅读理解Youre in a bit of a dilemma standing in front of the produce section of your local supermarket. In one hand, youre holding a conventionally grown Granny Smith apple. In your other hand, you have one thats been organically grown. Both apples are firm, shiny and green. Both prov
6、ide vitamins and fiber, and both are free of fat, sodium and cholesterol.The conventionally grown apple costs less and is a proven family favorite. But the organic apple has a label that says “USDA Organic”. Does that mean its better? Safer? More nutritious? Several differences between organic and n
7、onorganic foods exist. Become a better informed consumer for your next trip to the supermarket. The word “organic” refers to the way farmers grow and process agricultural products, such as fruits, vegetables, grains, dairy products and meat. Organic farming practices are designed to encourage soil a
8、nd water conservation and reduce pollution. Farmers who grow organic produce and meat dont use conventional methods to fertilize, control weeds or prevent livestock disease.Here are other differences between conventional farming and organic farming：Conventional farmersOrganic farmersApply chemical f
9、ertilizers to promote plant growth.Apply natural fertilizers to feed soil and plants.Apply insecticide to reduce pests and disease.Use beneficial insects and birds to reduce pests and disease.Give animals antibiotics, growth hormones and medications to prevent disease and promote growth，housing.Give
10、 animals organic foods and allow them access to the outdoors. Use preventive measuressuch as a balanced diet and clean housingto help minimize disease.*Organic or not？Check the labelThe US. Department of Agriculture (USDA) has established an organic certification program that requires all organic fo
11、ods to meet strict government standards. These standards regulate how such foods are grown, handled and processed. Any farmer or food manufacturer who labels and sells a product as organic must be USDA certified as meeting these standards. Only producers who sell less than $5,000 a year in organic f
12、oods are exempt (免除) from this certification.If a food bears a USDA Organic label, it means its produced and processed according to the USDA standards. The seal is voluntary, but many organic producers use it.【解题导语】本文为一篇说明文。“有机食品”一词对我们来说耳熟能详，但有机食物和普通的食物在农业生产过程中到底有怎样的差异，并不是每一个人都很清楚。1The main purpose
13、of the passage is to .Apromote the sales of organic foodsBinform people that organic foods are better for their healthCcompare conventional and organic foodsDpersuade people to become informed consumers解析：选C主旨大意题。该题目实际上是在考查文章是围绕什么内容展开的。文章的第一段就提出了conventional apple和organic apple的不同概念，下文就这两种事物进行了对比，故该
14、文章的写作目的是告诉人们传统食品与有机食品的差别。2According to the passage, organic farming is intended to .Aimprove the quality of the soil and waterBtake the place of the traditional agriculture entirelyCprevent livestock from getting disease more effectivelyDadopt environmentallyfriendly methods to grow plants and feed
15、animals解析：选D细节理解题。文章表格中对有机农业和传统农业做法的对比体现了有机农业的优势：在对环境有益的基础上生产健康的食品。由此可知，有机农业旨在通过对环境有益的方法进行生产。3Which of the following methods belongs to organic farming?AUsing chemicals to kill insects and prevent disease.BUsing rotted plants as fertilizers to promote plant growth.CUsing growth hormones to speed up
16、animals growth.DUsing pests to reduce insects and disease.解析：选B细节理解题。根据表格右栏中的“Apply natural fertilizers to feed soil and plants.”可知B项正确。A项中的chemicals，C项中的hormones以及D项中的pests均不符合有机农业的要求。4From the passage we know the organic certification program .Ais not meant for produce of all producersBmakes it a
17、must to attach a USDA Organic labelCsets restrictions on the sales of organic produceDrequires all foods to satisfy the strict government standards解析：选A细节理解题。根据最后一段可知，并非所有农产品的生产商都要给他们的产品进行有机认证。.完形填空Farming and GardeningAgriculture has a long history in China. Much of the wisdom 1 by early Chinese sc
18、ientists is still useful for farmers and gardeners today. One of Chinas early 2 scientists was Jia Sixie, who lived in the sixth century AD. He spent his time doing 3 into agriculture. He collected information, studied it, did experiments and learnt from the 4 of farmers.Around 540 AD, he wrote a bo
19、ok called Qimin Yaoshu. The book is about both farming and 5 . It includes advice on the following 6 ： growing green vegetables and fruit trees, keeping animals, and fish in lakes. There are also 7 for making wine. Jia Sixies book is a(n) 8 guide for farming. Firstly, as a farmer you should do thing
20、s at the right time of the year. If you sow seeds and 9 young plants in the fields at the correct time of the year, your work will be less and 10 will be better. But if you 11 nature and do things at the wrong time of the year, you will have to do more work and the results will not be so good. The 1
21、2 of the soil is also very important. Examine the soil on your farm 13 . If the condition of your soil is not good, you should improve it. Before sowing or planting crops, you must clean rough ground and 14 weeds. Let sheep or cows walk on the land to 15 the weeds or eat them. The best harvest is re
22、ached when farmers 16 the crops in their fields. For example, do not plant rice 17 in the same field. But if you plant rice in a field one year and wheat in the field the next year, you will 18 good crops. Other scientists said that wheat should be planted with 19 between the plants, but Jia did exp
23、eriments and 20 that planting wheat close together is better.【解题导语】本文是议论文和说明文的结合。主要介绍了我国古代农业科学家贾思勰对我国古代农业的研究和贡献。他的耕种方法对我国古代农业起了重要的指导作用。1A.discoveredBrecoveredCreported Drepeated解析：选A从词语和搭配考虑，此处只有discovered才能与wisdom搭配。wisdom后的“ 1 by early Chinese scientists”是过去分词短语作定语。2A.industrial BagriculturalCcult
24、ural Darticle解析：选B根据常识或上下文可知，贾思勰是我国古代的农业科学家，故选agricultural。3A.search BresearchCexperiment Dmovement解析：选Bdo research into为固定搭配，意为“进行的研究”，符合语境。4A.adventures BadvantagesCtradition Dexperience解析：选Dlearn from the experience of farmers表示“学习农民的(耕作)经验”，符合语境需要。5A.nursing BgardeningCproduce Dtrade解析：选B由本文的标题和
25、第一段第二句推断可知，选gardening。6A.programs BtopicsCsubjects Devents解析：选C从语境来看，本句的下文介绍一些具体的课题，如种菜、养动物等，因此选subject“科目，课题”。7A.instructions BconstructionsCmeasures Dtreasures解析：选A此处表示造酒的“指导，说明”，选instructions，其他选项与句意不符。8A.economical BpracticalCsimilar Dregular解析：选Bpractical guide意为“切实可行的指导”。economical“经济的，节省的”；si
26、milar“相似的”；regular“有规律的”，均与句意不符。9A.drop BincreaseCgrow Dthrow解析：选Cgrow young plants意为“种植幼苗”，其他选项没有“种植”之意。10A.dreams BendingChope Dresults解析：选Dresult与前文的work相对，表示“工作投入少，而结果更好”。11A.argue against Bgo againstCcompete with Ddeal with解析：选Bgo against nature意为“违背自然(规律)”，符合句意。12A.application BsituationCcondi
27、tion Daddition解析：选Cthe condition of the soil表示“土壤的状况/条件”。13A.successfully BcarefullyCgradually Dfrequently解析：选B前句指出土壤状况重要，本句说明要细心、仔细检查土壤，故选carefully。14A.remove BpullCkill Dreduce解析：选A从词语搭配考虑，本句告诉读者，种庄稼之前需要平整土地和除草，remove weeds意为“清除杂草”。15A.destroy BpreventCdivide Dlimit解析：选A让牛羊在地里走是为了摧毁杂草或者吃掉杂草，故选dest
28、roy。16A.keep BimproveCmanage Dchange解析：选D从下句中“do not plant rice 17 in the same field”可知庄稼要换着种，故选change。17A.one after another Bhere and thereCnow and then Dyear after year解析：选Dyear after year“年复一年”，意为“不在同一块地里年复一年地种同一种庄稼”。18A.win BcollectCharvest Dplant解析：选C本句意在表达“如果每年换种不同的庄稼就会有好收成”。harvest good crops
29、意为“收成好”。19A.holes BlinesCspace Dbalance解析：选C从词语搭配考虑，本句指的是“种植小麦时，株与株之间要留有空间”，而非留有线、洞或平衡，因此选space。20A.showed BmeantCintended Ddecided解析：选A前面有Jia did experiments，因此后面是实验结果“证明，表明”，故选showed。.短文改错I was often laughed at my classmates before I turned 14 because I was always very nervous when talking to some
30、one. Helpful and sad, I felt that I could do nothing. You can not imagine what great difficulty I have in my life. And later, something happened, what changed my life completely. It was an English speech contest and my mother encouraged me to take a part in it. I tried my best to remember the whole
31、speech “Believe in yourself” and practiced them over 100 time. Believing it or not, I finally won the first prize. Hearing the cheers from the teachers and students, I stood here, with my eyes full of excited tears.答案：I was often laughed at my classmates before I turned 14 because I was always very
32、nervous when talking to someone. and sad，I felt that I could do nothing. You can not imagine what great difficulty I in my life. later, something happened, changed my life completely. It was an English speech contest and my mother encouraged me to take part in it. I tried my best to remember the whole speech “Believe in yourself” and practiced over 100 . it or not, I finally won the first prize. Hearing the cheers from the teachers and students, I stood ， with my eyes full of excited tears.
