2018年高中英语 unit3sectionc同步精品课件 重庆大学版必修5

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1、Section C Listening and Speaking,Writing,Further Reading,课堂互动探究,预习多维感知,写作专题突破,Section C,预习多维感知,.词语翻译 1at a higher/lower altitude _ 2keep.from. _ 3at the time of. _ 4block out _ 答案:1.在高、低海拔 2.阻止;抑制 3.在的时候 4.遮住;挡住,.根据课文“Climate”完成短文 Climate,the 1._ weather for a place over many years,is different in d

2、ifferent places.In fact,many factors have an effect on it,such as sunshine,temperature,and precipitation.2._ to mountains,oceans,and large lakes affects it too.Another factor is 3._,or height above sea level.Air 4._ as altitude increases.Finally,5._ affect climate,which can keep the tropics from ove

3、rheating and the polar regions from,getting overly cold.Climate changes over long periods of time.Onepossible cause may be changes in the 6._.Sunspots may decrease precipitation on the earth and cause unusually dry periods.Changes in the 7._ may change climate too.8._ activity is another cause of cl

4、imate change.9._ pollution and the reduction of 10._ cover may have long-term effects on climate.,答案:1.average 2.Nearness 3.altitude 4.cools 5winds 6.sun 7.atmosphere 8.Human 9.Air 10.forest,课堂互动探究,1.affect.,观察理解 1)The rise in prices will affect all classes. 2)Some plants are quickly affected by col

5、d. 3)He was deeply affected by my words. 4)This disease affects millions of people in the world every year.,归纳拓展 1)影响 2)感动,打动 3)(疾病)侵袭,感染,现学现用 1)We are interested in the weather because it _ us so directlywhat we wear,what we do,and how we feel. Abenefits Bguides Caffects Deffects 解析:选C。句意:我们之所以对天气如

6、此感兴趣,是因为它直接影响着我们我们的穿戴、行为和感觉。benefit使受益;guide指导;affect影响;effect作动词时表示“产生,导致”。故C项符合句意。,2.decrease 观察理解 1)In the last ten years cars have generally decreased in size. 2)The membership decreased to 150. 3)There has been a decrease in the annual birth rate for the last twenty years.,归纳拓展 decrease to.减少到

7、decrease by.减少了 a decrease in.在方面减少了 on the decrease.在减少,现学现用 2)Over the past decades,sea ice _ in the Arctic as a result of global warming. Ahad decreased Bdecreased Chas been decreasing Dis decreasing 解析:选C。考查动词的时态。从前面的Over the past decades可知,此处应用现在完成进行时,表示动作从过去一直持续到现在并将持续下去。,3.in terms of 观察理解 1)

8、In terms of customer satisfaction,the policy cannot be criticized. 2)What they have done is good for the environment in the long terms. 3)All of my roommates are on good terms with each other.,归纳拓展 in the long/short term 就长期/短期而言 be on good/bad terms with sb. 与某人交情好/不好 come to terms(make terms) 达成协议

9、;和好 in sb.s terms 在某人看来,根据某人的观点,现学现用 3)Tom is very young.But _ working ability,hes much more experienced than others. Ain praise of Bin face of Cin need of Din terms of 解析:选D。句意:汤姆很年轻。但是在工作能力方面,他要比其他人有经验的多。in praise of赞扬;in face of面对;in need of需要;in terms of在方面,就而言。根据句意选D。,4.keep.from. 观察理解 1)My par

10、ents kept me from going out at night. 2)Keep the surface free from/of dirt by putting a cover over it. 3)For some patients,medicine can keep them alive. 4)His funny jokes kept us laughing all through the meal.,归纳拓展 keep.free from/of 使免受(影响、伤害等) keep sb./sth.adj./adv./prep. 使保持 keep sb./sth.doing 使一直

11、处于 keep doing 持续做某事(强调不间断性) keep on doing 继续做某事(强调反复性),现学现用 4)Something must be done to keep _. Athe boy to make noise Bthe boy making noise Cthe noise from making by the boy Dthe boy from making noise 解析:选D。句意:一定要想办法阻止那个男孩子吵闹。keep sb.from doing sth.“阻止某人做某事”,其中介词from不能省略。,1.原句展示 A simple way of rem

12、embering the difference is that “climate” is what you expect(e.g.,cold winters)and “weather” is what you get(e.g.,a sandstorm)(page 43) 记住这种区别的简单的方法就是“气候”是你所期待的(比如寒冷的冬季),“天气”是你所经历的(比如沙尘暴)。,句法简析 该句使用了what引导的表语从句,且what在从句中分别作expect和get的宾语。 1)This is what I want. 这就是我想要的。 2)Xiao Li is no longer what he

13、 used to be. 小李不再是以前的样子了。 3)Action,not talk was what she graded her students on. 她划分学生程度的依据不是学生的言词,而是学生的行为。,现学现用 1)(2011年高考陕西卷)Id like to start my own businessthats _ Id do if I had the money. Awhy Bwhen Cwhich Dwhat 解析:选D。考查表语从句。句意:我想自己做生意那是我如果有钱就会做的事情。从句中的do是及物动词,缺少宾语,所以将A和B排除,这两个选项在从句中常常作状语。which

14、引导名词性从句时,意为“哪个,哪些”,一般用于有一定范围可供选择的情况。不合逻辑,故用what。,2.原句展示 .and in no two places in the world is it exactly the same.(page 43) 而且世界上没有哪两个地方的气候是完全一样的。,句法简析 这是一个部分倒装句。具有否定意义的副词或短语如never,nor,neither,seldom,little,not,hardly,scarcely,not only,no sooner,in no case等置于句首时,句子应采用部分倒装结构。 1)In no way can we allow

15、 this to go on. 我们绝不允许这样的事再继续下去了。 2)Never before have I seen such a moving film. 我以前从未看过这么感人的电影。 3)Hardly had he begun to speak when his father stopped him. 他刚一开始说话他父亲就制止了他。,现学现用 2)(2011年高考福建卷)Its nice.Never before _ such a special drink! Im glad you like it. AI have had BI had Chave I had Dhad I 解析:选C。考查时态及倒装。never是否定副词,置于句首,句子要部分倒装;由语意可知说话人以前从未喝过这样特别的饮料,应该用现在完成时,故选C项。,写作专题突破,便条 【策略探究】 便条是为了临时通知或转告某事而写的一种简单的书信,如请假、留言、与人约会、转告电话以及非正式邀请等。便条多用于熟人之

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