题型二 第二节 　选择型 2021年中考英语复习（ppt课件）（外研版）（广西）.pptx

1、重难题型攻关第三部分 题型二阅读理解第二节选择型第三部分 重难题型攻关 广西真题广西真题 讲练讲练第三部分 重难题型攻关 解题范例(2020北部湾经济区)答题第一步：浏览题干，用“_”标注定位词。答题第二步：通读全文，了解大意，用“_”标注与题干相关的关键词、句。第三部分 重难题型攻关 If youve ever taken a bus,youve probably found someone sleeping in the seat near you.Maybe this even happens to you.You might think you need more coffee,but

2、 it wont help much.第一段大意：_指出在公交车上人容易瞌睡的现象。第三部分 重难题型攻关 The natural vibration(振动)of buses and subways makes us feel sleepy,according to a new story in Science Alert.第二段大意：_据Science Alert上面的故事称，公交车和地铁的自然振动使我们感到困倦。第三部分 重难题型攻关 Why?Its all about the information going to your brain.On a bus,your senses giv

3、e you continuous(持续的)and repeating information.For example,the air conditioner and engine(引擎)create continuous white noise.At the same time,youre sitting still and the things around you dont change.The vibrations of the engine are also continuous.Your brain has almost no new information to deal with

4、.第三段大意：_持续性的重复信息使大脑没有新信息需要处理。定位第1题第三部分 重难题型攻关 The repeating information will make your brain enter a lowenergy state.The fact that you fall asleep quickly when closing your eyes on a bus is because your brain gets used to all of it第四段大意：_重复信息使大脑进入低能状态，导致人快速入睡。定位第3题第三部分 重难题型攻关“When youre tired,it doe

5、snt take much to start nodding off.But weve found that as you drive,the gentle vibrations made by car seats can make you sleepy，”said Stephen Robinson,aresearcher from the RMIT University in Melbourne,Australia.第五段大意：_来自车座椅的振动可以使人困倦。定位第2题第三部分 重难题型攻关 Robinsons team invited 15 volunteers to do a test.

6、They were required to sit in a driving machine.And the researchers kept watching their HRV(心率变异度)a wellknown indicator(标志)of sleepiness.Over the course of two 60minute periods,volunteers were tested once with vibrations and once without.In the period with vibrations,their HRVs were much lower compar

7、ed with the period without vibrations.During 15 minutes,volunteers showed signs of sleepiness.During 30 minutes,that sleepiness was very easy to be noticed,increasing up until the end of the test.定位第4题第三部分 重难题型攻关 第六段大意：_鲁滨孙的团队邀请15名志愿者去观察他们的心率变异度。第三部分 重难题型攻关 This line of research can offer help in th

8、e development of the car industry.Robinson believed the research could be helpful for improving road safety.“We hope that future car seats can be built to fight against vibration and to make the sleepiness weaker，”he said.第七段大意：_鲁滨孙希望未来座椅可以抵抗振动。第三部分 重难题型攻关 1.Which is NOT the continuous information o

9、n a bus according to Paragraph 3?A.The white noise of the engine.B.The changing things around you.C.The vibrations of the engine.D.The white noise of the air conditioner.由画波纹线的句子及后面的句子可知，持续并重复的信息包括空调和引擎制造的白噪音以及引擎的振动，这些都是一直处于变化中的事物。第三部分 重难题型攻关 2If you dont want to sleep on a bus,what should you do?A.

10、Stand up and move your body.B.Take more coffee with you.C.Stop talking and keep silent.D.Listen to the same song.由画波纹线句子可知，车座椅的振动能使人瞌睡，由此可知如果想要在公交车上不睡着，应该减少和座椅的接触，即站起来活动一下身体。第三部分 重难题型攻关 3What does the underlined word “it”in Paragraph 4 refer to(指的是)?A.A lowenergy state.B.The noisy environment.C.The

11、repeating information.D.Someone sleeping in the seat.由画线单词所在段可知，这里的it指让人昏睡的因素，即段首所说的重复信息使大脑所处的低能量状态。第三部分 重难题型攻关 4What can we learn from the test?A.With vibrations,the volunteers HRVs increased up.B.The volunteers HRVs didnt change during the whole test.C.The volunteers with low HRVs showed signs of

12、sleepiness.D.The researchers got the same result after the test with two periods.由画波纹线句子可知，在振动期间，心率变异度比没有振动期间要更低，志愿者更容易出现困倦的迹象。第三部分 重难题型攻关 5.Whats the main idea of the passage?A.It shows the way people usually sit on the bus.B.It describes a scientific test by Robinsons team.C.It suggests improving

13、road safety to car industry.D.It explains what causes peoples sleepiness on buses通读全文可知本文主要介绍了为什么人坐公交车容易睡着这一现象。第三部分 重难题型攻关 答题第三步：跳读关键句所在的句子，将题干与原文进行对比、归纳，确定答案。答题第四步：无法直接从定位句找到答案的题目，需综合全文进行推断，得出答案。【答案速查】15 BAACD答题第五步：复读全文，检查答案。第三部分 重难题型攻关 小试牛刀(2020北部湾经济区卷)答题第一步：浏览题干，用“_”标注定位词。答题第二步：通读全文，了解大意，用“”标注与题干

14、相关的关键词、句。小试牛刀第三部分 重难题型攻关 China gets greenerPresident Xi Jinping said“clear waters and lush mountains are invaluable assets(绿水青山就是金山银山)”.With the efforts of Chinas government and its people,the rate of forest coverage(森林覆盖率)in China has reached 22.96%,compared to 5.05%forty years ago,according to a r

15、ecent report from the State Forestry and Grassland Administration(SFGA)第一段大意：_ 通过中国政府的努力，中国的森林覆盖率从40年前的5.05%增长到22.96%。定位第1题第三部分 重难题型攻关 Over the past forty years,China planted billions of trees as part of its fight against expanding(延伸的)deserts,mostly in its north.Each year,people sow seedlings(播种)ov

16、er an area nearly the size of Ireland,according to Nature.定位第2题第二段大意：_ 过去四十多年，中国种植了数十亿棵树来抵抗北方沙漠的扩张。第三部分 重难题型攻关 In 1978,China began a nationwide treeplanting programme known as the Three North Shelterbelt Forest Programme,also known as“the Great Green Wall”.It has helped to plant more than 66 billion

17、 trees across 13 provinces in the countrys north to act as windbreaks(防风林),according to China Daily.定位第3题第三段大意：_ 1978年以来，中国的三北防护林工程已种植了660亿多棵树作为防护林，保护北方的十三个省。第三部分 重难题型攻关 Since 2018,SFGA has made more efforts to build a greener country.Its purpose is to grow at least 6.7 million hectares(公顷)of forest

18、 every year in the next 15 years.Besides planting more trees,China has tried to bring back grasslands.It has also used strict forest protection methods and banned(禁止)all commercial logging(商业伐木)since last August.定位第4题第四段大意：_自2018年起的15年，中国推出了新的森林保护政策。第三部分 重难题型攻关 The highspeed growth of forests cannot

19、 happen without public participation(参与).For example,Ant Forest,an Alipay mobile payment app,plants real trees for users who get“green energy”by taking part in lowcarbon(低碳)activities.Since 2016,it has helped to plant about 122 million trees in Chinas driest areas.第五段大意：_森林的高速增长离不开公众的参与。第三部分 重难题型攻关

20、China was praised as“one of the most successful countries worldwide in greening the desert”by United Nations Environment Programme Executive Director Erik Solheim.第六段大意：_中国被联合国环境项目执行主席称为“世界上绿化沙漠最成功的国家之一”。第三部分 重难题型攻关 1.What was the rate of forest coverage forty years ago?A.5.05%.B.17.91%.C.22.96%.D.2

21、8.01%.由画波纹线句子可知，四十年前森林覆盖率是5.05%。第三部分 重难题型攻关 2Over the past forty years,China has planted billions of trees to A.turn deserts into green landB.create a green area in the desertC.stop deserts from expandingD.build an area nearly the size of Ireland由画波纹线句子可知，中国过去四十多年种树是为了抵抗北方沙漠的扩张。第三部分 重难题型攻关 3Which of

22、 the following is TRUE according to the passage?A.Windbreaks have covered across all provinces of China.B.In 1978,China succeeded in building“the Great Green Wall”C.China has grown 6.7 million hectares of forest since 2018.D.Since 1978,over 66 billion trees have been planted to act as windbreaks.由画波

23、纹线句子可知，中国种植了超过660亿棵树作为防风林。第三部分 重难题型攻关 4.What did China do to build a greener country?A.Tried to bring back grasslands.B.Made strict forest protection methods.C.Banned commercial logging.D.All of the above.由画波纹线句子后几句可知，A、B、C三项都是中国建设绿色国家的措施。第三部分 重难题型攻关 5What can we learn from the last two paragraphs?A

24、.Ant Forest plants real trees for all Chinese people.B.Everybody can help build a greener country.C.Chinas forest coverage is the highest in the world.D.China was praised for no deserts in northern China.由第五段内容可知，森林的高速增长离不开公众的参与，蚂蚁森林使得人人都能参与到这个行动中来。第三部分 重难题型攻关 答题第三步：跳读关键句所在的句子，将题干与原文进行对比、归纳，确定答案。答题第四步：无法直接从定位句找到答案的题目，需综合全文进行推断，得出答案。【正确答案】15 _答题第五步：复读全文，检查答案。ACDDB