1、Unit 5-Section C Using Language 重点解析重点解析【知识框图】【知识框图】参考答案：重点词汇1.Organic2.Widespread3.Digest4.Essential5.Mineral6.Alternative7.Grocery8.Instance9.Depth10. Root11. Entirely12. Aspect1.Fertiliser2.Nutritional3.Nutritious4.Nutrition5.alleviate6.poverty重点短语1.达到2.负担得起3.毫无疑问4.在看来5.在一开始6.增强意识1.相应地;转而;依次;轮流2.
2、随着时间推移3.例如4.集中于5.防止做6.对没有影响7.进行研究8.建立9.执行10. 把和分开【重点词汇】【重点词汇】present v.赠送(礼物,奖品等);呈现adj. 在场的;出席的;当前的【教材原句】When people present important facts,they usually give some evidence to support theirclaims.当人们提出重要事实时,他们通常提供一些证据来支持他们的主张。【词汇精讲】present v.赠送(礼物,奖品等);呈现adj.在场的;出席的;当前的My friend gave me a present o
3、n my birthday.我的朋友在我生日时给了我一个礼物。How long have you been in your present job?你干现在这个工作多长时间了?The artist was determined to present a better picture.这位画家决定呈现一幅更好的图画。【词汇拓展】At no time has the country been more prosperous than at present.这个国家从未像现在这样繁荣。The teacher presented him with a pen.老师赠送了他一支钢笔。essential
4、adj.完全必要的;极其重要的【教材原句】They may look beautiful on the outside,but inside there is usually more water thanessential minerals,and they often have less flavour as well.它们可能外表看起来很漂亮,但里面通常有更多的水,而不是必要的矿物质,而且它们的味道通常也更差。【词汇精讲】essential adj.完全必要的;极其重要的Even in small companies,computers are an essential tool.即使在
5、小公司里,计算机也是必不可少的工具。French and German are deemed essential.法语和德语被认为是必不可少的。【词汇拓展】It is essential that we (should) deal with the problem.我们很有必要处理这个问题。It is essential to know where the problem lies.有必要知道问题在哪里。in turn 相应地;转而;依次;轮流digest vt.& vi.消化vt.领会;领悟【教材原句】This affects the crops grown on the land and,
6、in turn,the animals and humans whodigest them.这影响到种在土地上的庄稼,进而影响动物和消化这些作物的人。【词汇精讲 1】in turn 相应地;转而;依次;轮流She asked the same question of everyone in turn.她依次向每一个人问同样的问题。In the city squares the neon lights flashed in turn.在城市广场上,霓虹灯依次闪烁。【词汇拓展】During the summer holidays,the teachers were on duty by turns
7、.暑假期间,老师们轮流值班。When it is my turn,I realized why the process was moving so slow.当轮到我的时候,我明白进程为什么这么慢了。【词汇精讲 2】digest vt.& vi.消化vt.领会;领悟He has to avoid fat because his body cant digest it.他不得不避免吃脂肪,因为他的身体无法消化它。I need some time to digest information.我需要一些时间来理解信息。【词汇拓展】No liquids are served with meals be
8、cause they interfere with digestion.上饭菜时不要同时上汤水或饮品,因为这会影响消化。instance n.例子;实例;事例【教材原句】For instance,they may grow corn or wheat in a field one year,and then grow beansthere the next.【词汇精讲】instance n.例子;实例;事例There have been several instances of violence at the school.在学校有几起暴力事例。I can cite quite a few i
9、nstances to illustrate this.我可以举出好几个例子来说明这件事情。【词汇拓展】She has mastered several foreign languages,for instance,French.她精通几种语言,例如法语。alternative n.可供选择的事物adj.可供替代的;非传统的【教材原句】As an alternative,some farmers have switched to organic farming,and many customershave turned to organic food when they shop at the
10、 local grocery.作为一种选择,一些农民转向了有机农业,许多顾客在当地商店购物时转向了有机食品。【词汇精讲】alternative n.可供选择的事物adj.可供替代的;非传统的He gave in only at the last moment because he had no alternative.他只是在最后一刻因为没有选择才做了让步。We will have to rely more on alternative energy,such as solar and wind power.我们将不得不更多地利用可代替的资源,比如太阳能和风能。【词汇拓展】If he want
11、s to go to Hong Kong tonight,he has no alternative but to go by air.如果他今晚想去香港,除了坐飞机外别无选择。【重点句式】【重点句式】Id rather.我宁愿【句式剖析】Id rather 是 would rather 的缩写形式,表示“宁愿”,后接动词原形,其否定形式为 would rather not do,译为“宁愿不做”He would rather keep time for his hobbies.他宁愿为自己的爱好多花些时间。Nowadays more and more people would rather
12、not live in big cities.现在越来越多的人宁愿不住在大城市里。【句式拓展】He would rather die than turn against his motherland.他宁愿死也不背叛祖国。I would rather he went with me tomorrow.我宁愿明天他和我一起去。In fact,some pesticides like DDT have been prohibited in most countries because ofthe damage they cause to people and the environment.事实上
13、,在大多数国家,像滴滴涕这样的杀虫剂已经被禁止,因为它们对人和环境造成了损害。【句式剖析】because of 因为,是介词短语,常用作原因状语,后面跟名词或代词作宾语。My brother didnt pass the driving test exam because of his laziness.由于我弟弟的懒惰,他没有通过这次驾驶考试。The sports meeting has been put off because of the bad weather.由于天气不好,运动会被推迟了。【温馨提示】because 是连词,其后接句子;because of 是复合介词,其后接名词、代
14、词、动词的-ing、what 从句等,它在句中不用作表语。The teacher got angry because of what we had done in class.老师由于我们课上做的事情生气了。We decided not to climb the mountains because it was raining heavily.正下着暴雨,所以我们决定不去爬山了。Therefore,there is still a long way to find a suitable solution that puts sufficient foodon the dinner table
15、while keeping people and the environment as healthy as possible.因此,要找到一个合适的解决方案还有很长的路要走,该方案可以在餐桌上提供足够的食物,同时又要尽可能保持人和环境的健康。【句式剖析】本句是一个复合句。there is still a long way.是主句,that puts.是定语从句,whilekeeping 是省略句。as.as possible 尽可能。Please respond to me as quickly as possible.请尽快给我回信。He desired that his book be
16、read by as many people as possible.他希望有尽可能多的人读他的书。【句式拓展】as.as possible 相当于 as.as one can,使用时需要注意 can 的变化。You should read more and more books,as carefully as you can!你要多看一点书,尽可能认真地看。【写作指导】【写作指导】假定你是中学生李华, 你校正在举办以“我最喜爱的农业科学家”为主题的征文活动。请你根据下面要点提示, 描述你所喜爱的农业科学家, 内容包括:1.谁是你最喜欢的农业科学家;2.这位科学家对人类所做的贡献;3.你的感想
17、或希望。注意:1.词数 80 左右;2.可以适当增加细节,以使行文连贯。一、审题定调1.确定体裁:本文为提纲式作文,要求考生根据提示信息,描述自己最喜爱的农业科学家。2.确定人称:由于是描述自己最喜爱的农业科学家,所以主要人称为第三人称。3.确定时态:时态以一般现在时为主。二、谋篇布局本文分为三个段落。第一段:开头应点明最喜爱的农业科学家,以袁隆平为例;第二段:主体部分介绍袁隆平的个人成就及对人类做出的突出贡献,此部分比较开放,只要发挥合理即可,如献身于水稻科研事业,成为农业先驱等;第三段:表达感想或希望,如向袁隆平学习等。三、常用语块四、遣词造句五、连句成文参考范文My favourite
18、agricultural scientistOf so many famous scientists all over the world,I admire Yuan Longpingmost,who is an agricultural scientist of China.In 1973, Yuan Longping became the first agricultural pioneer in the world togrow rice that has a high output.Thanks to his research,farmers are producing harvest
19、stwice as large as before.Though he has achieved his goal,he still devotes himself toresearch on rice so as to feed more people in the world.Yuan Longping has made suchgreat contributions to mankind that he is respected and admired by people all over theworld.All in all,we must learn from this great
20、 scientist in order to serve our countrybetter when we grow up.【随堂小测】【随堂小测】选词填空poverty,present,alleviate,affect,celebrate1.Anumber of measures were taken tothe problem.2.His whole life is a fight againstand unemployment.3.You must find enough evidence before youimportant facts.4.The Brownstheir 25th
21、 wedding anniversary in Florence.5.Stress is one of the major factors thatcrop growth and production.参考答案：AlleviatePovertyPresentCelebratedaffect单句语法填空1.It does sometimes help to know the(nutrition) content of foods.2.Theres no way we can afford(buy) a house at the moment.3.I suggested that she(join
22、) the English club.4.I have a feelingour team is going to win.5.George is going to talk about the geography of his country,but Id rather he(focus) more on its culture.参考答案:nutritionalto buy(should) jointhatfocused介副词填空1.The five-star hotels current occupancy rate stands90%.2.Ill try to get my sugges
23、tion inthe start of the meeting.3.Listen outthe different linking words and expressions.4.I wish I could bring you to see the situationmy point of view.5.a doubt I think you are the greatest person I have ever met.参考答案:atatforfromWithout完成句子1.在我看来,是我最好的朋友改变了我对生活的态度。,my best friend changed my attitud
24、e towards life.2.我宁愿你明天和我待在一起。you stayed with me tomorrow.3.遗憾的是她犯了这样一个错误。that she has made such a mistake.4.我觉得这地方有点危险。Ithat this place is a little dangerous.5.我更希望珍妮来参加这次派对。I would prefer Jennythe party.参考答案：In my opinionI would ratherIt is a pityhave a feelingto come to课文语法填空Chemical pesticides a
25、nd artificial fertilisers have been in widespread use infarming 1.the middle of the 20th century,but scientists found that theirlong-term use can sometimes2.harm to both the land and peopleshealth.In most 3.(country),some pesticides like DDT have beenprohibited because of the damage 4.(cause) to peo
26、ple and theenvironment.5.(solve) the problem,some farmers have switched to organicfarming.Theyusenaturalwastefromanimalsasfertiliserinstead6.artificial fertilizers.By doing so,they make the soil in their fields 7.(rich)in minerals than before.Many other methods are also used to produce richsoil.Farm
27、ers often change the kind of crop grown in each field every year.In thisway,some important minerals 8.(put) back into the ground.Some people would prefer to stop the use of man-made chemicals in agriculture9.(complete),but organic farming cant serve the high demand for foodaround the world.So scient
28、ists have to find a suitable solution 10.theproblem.参考答案：SinceDoCountriesCausedTo solveOfRicherAre putCompletelyTo.概要写作(根据教材语篇内容写一篇 60 词左右的内容概要)参考范文Though chemical pesticides and artificial fertilizers have been used widely in theworld,(要点 1)scientists found using them for long can harm the land and peopleshealth as well.(要点 2) To solve the problem,organic farming comes into being.(要点3) However,organic farming cant meet the high demand for food around the world,soa suitable solution will have to be found.(要点 4)
