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1、近年来中国遭受严重的沙尘暴袭击，而中国也被认为是沙尘暴的来源之一。但中国经过努力在治沙尘方面取得了显著的效果。“Most of the sandstorms that swept China last year came from foreign lands”，a Chinese official in charge of desertification control said on Monday.And the invasion could partly explain the frequent sandstorms in the country in recent years despi
2、te its achievements in desertification control.Since the start of last spring，the northern and northwestern Chinese regions had been hit by 17 sandstorms: of which a dozen came from foreign lands.Situated in the central Asia sandstorm region，one of the worlds four largest sandstorm sources，China als
3、osuffers from sandstorms from the outside country while it is also blamed as a sand source to northeast Asia.The other three major sources are in Africa，North America and Australia.The land suffering from desertification has been decreasing by 7，585 square kilometres annually in China，and the area o
4、f sandy land has also been falling by 1，284 square kilometres a year.The shrinkage forms a clear contrast to the fact that the land suffering from desertification and the sandy feature was added by 10，400 square kilometers and 3，436 square kilometers late last century.At present，the desertification
5、land in China makes up 2.64 million square kilometers，accounting for 27.46 percent of the nations land，and its sandy land totals 1.74 million square kilometers，accounting for 18.1 percent of the countrys total.阅读障碍词1invasionn入侵2despite prep.尽管3blame v谴责4annually adv.一年一度地5shrinkage n收缩6contrast n对比诱
6、思导读阅读短文，回答下列问题。1What are the worlds four largest sandstorm sources?They are the central Asia，Africa，North America and Australia.2What does the sandy land in China add up to at present?It adds up to 1.74 million square kilometres.SectionWarming Up，Pre-reading & Reading.匹配下列单词的词性及汉语意思()1.frighteningAn
7、.战役；活动()2.mask Bn.进程；过程()3.mass Cn.公民；市民()4.campaign Dn.沙尘；灰尘()5.process En.力量；力气()6.citizen Fvt.预报；预告()7.dust Gvi.骑自行车()8.forecast Hadj.吓人的；可怕的()9.strength In.面罩()10.cycle Jadj.大量的；大规模的【答案】15HIJAB610CDFEG.选择下列句中词组的汉语意思A砍倒B由于 C突然遭遇 D挖出 E一个接一个地 F阻止做1She called them one after another by name，but no on
8、e answered. 2He was totally blind as a result of the traffic accident. 3All of the trees were cut down，and none was left. 4I was caught in a heavy rain last Sunday. 5We dug up the tree by its roots. 6Further treatment will prevent cancer from developing. 【答案】16EBACDFSandstorms in AsiaSandstorms have
9、 been a major disaster for many Asian countries for centuries.Scientists have tried many ways to solve this problem and in China，a mass campaign has been started to help solve it.亚洲的沙尘暴数个世纪以来，对很多亚洲国家来说沙尘暴一直是一个大灾难。科学家们尝试过很多办法解决这个问题，在中国，也发动了群众运动来对付沙尘暴。助读讲解and为并列连词，句中的to solve this problem和to help solv
10、e it为不定式作目的状语。Sandstorms are strong，dry winds that carry sand.They are often so thick that you cannot see the sun，and the wind is sometimes strong enough to move sand dunes (沙丘)The four main places in the world where there are sandstorms are Central Asia，North America，Central Africa and Australia.Re
11、n Jianbo，from Inner Mongolia described a terrible sandstorm he experienced as a child in the desert.“To have been caught in a sandstorm was a terrible experience，” he said.“There was nothing to be done.It was the most frightening and the most dangerous situation Ive ever been in.You just had to hope
12、 youd survive.I thought I was going to disappear under the sand.”沙尘暴是很强的携带沙子的干风。沙尘暴常常很浓密，以至于遮住了太阳，有时风力大的足以移动沙丘。世界上沙尘暴发生的四个主要地区是中亚、北美、非洲中部和澳大利亚。来自内蒙古的任建波描述了他小时候在沙漠里经历过的一次可怕的沙尘暴。他说：“遭遇沙尘暴是一次很可怕的经历。你什么也干不了。那是我遭遇过的最可怕、最危险的境况。你只希望你能幸存下来。我以为我将会被沙子淹没。”助读讲解此处是so .that .引导的结果状语从句。where there are sandstorms为w
13、here引导的定语从句，修饰先行词The four main places，where在从句中作地点状语。he experienced as a child in the desert为省略引导词that/which的定语从句，修饰先行词a terrible sandstorm。Northwest China is part of the sandstorm centre in Central Asia.Sandstorms begin in desert areas.Sandstorms in China appear to have increased in recent years as
14、 a result of“desertification”(沙漠化)This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass.中国的西北部是中亚地区沙尘暴中心的一部分。沙尘暴发源于沙漠地区。因“荒漠化”越发严重，中国近年来发生沙尘暴的次数明显增加了。这(沙漠化)是一个由于气候变化和人类砍伐树木、铲除草皮而使陆地变为沙漠的过程。助读讲解process后是that引导的定语从句，其中还包含一
15、个when引导的时间状语从句。Sandstorms sometimes affect Beijing.Citizens wake up to an orange sky and strong winds that cover the city in a thick，brownyellow dust.The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see.沙尘暴有时影响北京。居民醒来时，看到昏黄的天空，狂风夹着黄沙在城里
16、肆虐。暴风有时持续一整天，车辆开得很慢，因为浓浓的尘埃降低了能见度。助读讲解that cover .是that引导的定语从句，修饰先行词strong winds。because引导原因状语从句，其中it为形式宾语，to see为真正宾语。The Chinese Central Weather Station can forecast a sandstorm some weeks before it arrives in Beijing，but the strength of the storm sometimes surprises people.When a sandstorm arrive
17、s in the city，weather experts advise people not to go out.Huang Xiaomei，who lives in Beijing says，“To be cycling in a sandstorm is frightening.The winds are very strong.Its difficult to breathe and the dust makes me ill. So if you want to go out，youd better wear a mask.”中国中央气象台能在沙尘暴到达北京几周前进行预报，但风力大得
18、有时让人们吃惊。当沙尘暴到达这座城市时，气象专家建议人们不要外出。生活在北京的黄小梅说：“在沙尘暴中骑车真可怕。风力很大，呼吸困难，并且沙尘使人难受。所以如果你想出门，最好戴上口罩。” 助读讲解and连接两个并列分句，第一个分句中it为形式主语，to breathe为真正的主语；第二个分句为“主语谓语宾语宾补”形式。The desert is only 250 kilometres away to the west of Beijing.To prevent it coming nearer，the government is planting trees.Already the govern
19、ment has planted more than 30 billion trees and plans to continue planting for the next five years.沙漠位于距北京西部仅250公里处。为阻止沙漠的逼近，政府正在植树。政府已经种了300多亿棵树，并计划在未来的5年里要继续种植。助读讲解To prevent it coming nearer为不定式短语作目的状语。第一步速读了解文章主题和段落大意速读P32教材课文，匹配段落大意1Para.1 ASandstorms sometimes affect Beijing.2Para.2 BSandstorm
20、s do a lot of damage to people.3Para.3 CThe government plants trees to prevent sandstorms.4Para.4 DSandstorms have been a major disaster for many Asian countries for centuries.5Para.5 ESandstorms in Asia.6Para.6 FSandstorms in China appear to haveincreased as a result of “desertification”【答案】16DEFAB
21、C第二步细读把控文章关键信息细读P32教材课文，选择最佳答案1What is the best description about a sandstorm according to the passage?AIt is a major disaster for many Asian countries for centuries.BIts strong wind carrying sand.CIt is a way to cause land to become desert.DIts a kind of natural disaster that cant be treated.2What
22、is the main reason for the increase of sandstorm in China recently?ATo be close to many deserts.BThe worsening of the weather in China.CThe result of desertification.DPeople cutting down trees and digging up grass.3What is the good suggestion when people meet sandstorm?ANot going out.BIf you go out，
23、just wear thick clothes.CWhen going out，wear a mask.DNever go out，just stay at home.4What is the best way to avoid the effects from the sandstorm?ALiving far away from deserts.BStaying at home when a sandstorm happens.CWearing a mask if you want to go out.DPlanting more trees.【答案】14BCCD第三步研读能力升华接轨高考
24、根据P32教材课文，在空白处填入1个适当的单词或括号内单词的正确形式Sandstorms 1.have been (be) a major disaster for many Asian countries for centuries.Scientists have tried many 2.ways(way) to solve this problem.When 3.happening(happen)，sandstorms are so strong 4.that you can see nothing.There is nothing to be done.Sandstorms appea
25、r 5.to have increased(increase) as a result of “desertification”，6.which is a process that happens when land becomes desert because of climate changes and because people cut down trees.Sandstorms affecting Beijing，traffic moves 7.slowly(slow) because the thick dust makes 8.it difficult to see.When a sandstorm arrives，experts advise people not to go out.To be cycling in a sandstorm is 9.frightening(frighten)The winds are strong.If you want to go out，youd better wear a mask.The desert is only 250 kilometres away to the west of Beijing.To prevent it ing(come) nearer，we are planting many trees.