高中英语 Unit3SectionC同步精品课件 重庆大学必修5.ppt
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1、Section CListening and Speaking,Writing,Further Reading2021/8/11 星期三1 课堂互动探究课堂互动探究预习多维感知预习多维感知写作专题突破写作专题突破Section C2021/8/11 星期三2预习多维感知预习多维感知.词语词语翻翻译译1at a higher/lower altitude _2keep.from._3at the time of._4block out _答答案案:1.在在高高、低低海海拔拔2.阻阻止止;抑抑制制3.在在的的时时候候4.遮住;遮住;挡挡住住2021/8/11 星期三3.根据课文根据课文“Clima
2、te”完成短文完成短文Climate,the 1._ weather for a 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 a
3、ltitude increases.Finally,5._ affect climate,which can keep the tropics from overheating and the polar regions from2021/8/11 星期三4getting 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 unusua
4、lly dry periods.Changes in the 7._ may change 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 星期三5答案:答案:1.average2.Nearness3.altitude4.cools5winds6.sun7.atmosphere8.Human9.Air10.forest2021/8/11
5、星期三6课堂互动探究课堂互动探究1.affect.词汇精研词汇精研词汇精研词汇精研2021/8/11 星期三7观察理解观察理解1)The 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 星期三8归纳拓展归纳拓展1)影响影响2)感动,打动感动,打动3)(疾病疾
6、病)侵袭,感染侵袭,感染2021/8/11 星期三9现学现用现学现用1)We are interested in the weather because it _ us so directlywhat we wear,what we do,and how we feel.Abenefits BguidesCaffects Deffects解解析析:选选C。句句意意:我我们们之之所所以以对对天天气气如如此此感感兴兴趣趣,是是因因为为它它直直接接影影响响着着我我们们我我们们的的穿穿戴戴、行行为为和和感感觉觉。benefit使使受受益益;guide指指导导;affect影影响响;effect作作动词
7、时动词时表示表示“产产生,生,导导致致”。故。故C项项符合句意。符合句意。2021/8/11 星期三102.decrease观察理解观察理解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.2021/8/11 星期三11归纳拓展归纳拓展decrease to.减少到减少到decrease by.减少
8、了减少了a decrease in.在在方面减少了方面减少了on the decrease.在减少在减少2021/8/11 星期三12现学现用现学现用2)Over the past decades,sea ice _ in the Arctic as a result of global warming.Ahad decreased BdecreasedChas been decreasing Dis decreasing解解析析:选选C。考考查查动动词词的的时时态态。从从前前面面的的Over the past decades可可知知,此此处处应应用用现现在在完完成成进进行行时时,表表示示动动
9、作从作从过过去一直持去一直持续续到到现现在并将持在并将持续续下去。下去。2021/8/11 星期三133.in terms of观察理解观察理解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 are on good terms with each other.2021/8/11 星期三14归纳拓展归纳拓展in the long/s
10、hort term 就长期就长期/短期而言短期而言be on good/bad terms with sb.与某人交情好与某人交情好/不好不好come to terms(make terms)达成协议;和好达成协议;和好in sb.s terms 在某人看来,根据某人的观点在某人看来,根据某人的观点2021/8/11 星期三15现学现用现学现用3)Tom is very young.But _ working ability,hes much more experienced than others.Ain praise of Bin face ofCin need of Din terms
11、of解解析析:选选D。句句意意:汤汤姆姆很很年年轻轻。但但是是在在工工作作能能力力方方面面,他他要要比比其其他他人人有有经经验验的的多多。in praise of赞赞扬扬;in face of面面对对;in need of需需要要;in terms of在在方面,就方面,就而言。根据句意而言。根据句意选选D。2021/8/11 星期三164.keep.from.观察理解观察理解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
12、)For some patients,medicine can keep them alive.4)His funny jokes kept us laughing all through the meal.2021/8/11 星期三17归纳拓展归纳拓展keep.free from/of 使使免受免受(影响、伤害等影响、伤害等)keep sb./sth.adj./adv./prep.使使保持保持keep sb./sth.doing 使使一直处于一直处于keep doing 持续做某事持续做某事(强调不间断性强调不间断性)keep on doing 继续做某事继续做某事(强调反复性强调反复性)2
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