高中英语 Unit3SectionC同步精品课件 重庆大学必修5

1、2021/8/11 星期三1Section CListening and Speaking，Writing，Further Reading2021/8/11 星期三2课堂互动探究预习多维感知写作专题突破Section C2021/8/11 星期三3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2021/8/11 星期三4.根据课文“Climate”完成短文Climate，the 1._ weather for a

2、place over many years，is different in different 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 clim

3、ate，which can keep the tropics from overheating and the polar regions from2021/8/11 星期三5getting 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 ch

4、ange climate too.8._ activity is another cause of climate change.9._ pollution and the reduction of 10._ cover may have long-term effects on climate.2021/8/11 星期三6答案：1.average2.Nearness3.altitude4.cools5winds6.sun7.atmosphere8.Human9.Air10.forest2021/8/11 星期三7课堂互动探究1.affect.词汇精研2021/8/11 星期三8观察理解1)T

5、he rise in prices will affect all classes.2)Some plants are quickly affected by cold.3)He was deeply affected by my words.4)This disease affects millions of people in the world every year.2021/8/11 星期三9归纳拓展1)影响2)感动，打动3)(疾病)侵袭，感染2021/8/11 星期三10现学现用1)We are interested in the weather because it _ us so

6、 directlywhat we wear，what we do，and how we feel.Abenefits BguidesCaffects Deffects解析：选C。句意：我们之所以对天气如此感兴趣，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。2021/8/11 星期三112.decrease观察理解1)In the last ten years cars have generally decreased in size.2)The membership decreas

7、ed to 150.3)There has been a decrease in the annual birth rate for the last twenty years.2021/8/11 星期三12归纳拓展decrease to.减少到decrease by.减少了a decrease in.在方面减少了on the decrease.在减少2021/8/11 星期三13现学现用2)Over the past decades，sea ice _ in the Arctic as a result of global warming.Ahad decreased BdecreasedC

8、has 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。2021/8/11 星期三143.in terms of观察理解1)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 a

9、re on good terms with each other.2021/8/11 星期三15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；和好in sb.s terms 在某人看来，根据某人的观点2021/8/11 星期三16现学现用3)Tom is very young.But _ working ability，hes much more experienced than others.Ain praise of Bin f

10、ace ofCin 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。2021/8/11 星期三174.keep.from.观察理解1)My parents 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，medici

11、ne can keep them alive.4)His funny jokes kept us laughing all through the meal.2021/8/11 星期三18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)2021/8/11 星期三19现学现用4)Something must be done to keep _.Athe boy to m

12、ake noiseBthe boy making noiseCthe noise from making by the boyDthe 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。2021/8/11 星期三20句型巧析1.原句展示A simple way of remembering the difference is that “climate” is what you expect(e.g.，cold winters)and “weather” is

13、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)。2021/8/11 星期三21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 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

14、据不是学生的言词，而是学生的行为。2021/8/11 星期三22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 BwhenCwhich 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。2021/8/11 星期三232.原句展示.and in no

15、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。2021/8/11 星期三24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 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 se

16、en 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。2021/8/11 星期三25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 hadChave 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

17、特别的饮料，应该用现在完成时，故选C项。2021/8/11 星期三26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。便条多用于熟人之间。一般写在纸上，不用信封。内容单纯，格式简单。主要包括称呼、正文、署名、日期等。2021/8/11 星期三27【典例展示】假设你叫李文，住在某海滨城市，你接到朋友刘娜写来的英文信，约你下周六一起去海滨公园郊游。现在你写封回信，说明你不能接受邀请，因为你已答应那天到乡下去看望一位朋友，并表示歉意。注意：1.词数100左右；2文章的开头和结尾已给出，但不计入总词数。2021/8/11

18、星期三28【联想词汇】1郊游，远足_2离开_3很遗憾地说_4许诺做某事_5玩得痛快_答案：1.outing2.get away3.sorry to say that.4promise to do.5.have a good time2021/8/11 星期三29【由词连句】1我已经许诺去看望一个朋友。I _ see a friend.答案：have already promised to2我希望你们玩得愉快！I wish all of you would _！答案：have a good time2021/8/11 星期三30【范文借鉴】FridayDear Liu Na，It is very kind of you to propose a days outing in the Seashore Park.I only wish I could join you，because I consider staying with good friends is the most exciting thing in the world，but Im sorry to say I shall not be able to get away，as I have already promised to see a friend in t