1、Everyone tries to get to school on time.But when bad weather gives you trouble, can you still make it before the bell rings?In northern China during spring, big sandstorms often make trouble for students and everyone else.,The sand is back,“When we had a sandstorm last week，I had to get up half an h
2、our earlier so I wouldnt be late for school，”said Xing Wei，a Junior I boy at Yaohua Middle School in Tianjin. Xing usually gets up at about seven and needs 20 minutes to get to school. But on sandstorm days, he needs 40 minutes. When the sky is dark with sand, buses and cars all move much more slowl
3、y. Sometimes, people cant even see for 200 meters.,Sandstorms usually happen in spring. This year, sandstorms started in late March. They have happened in more than 10 provinces in northern China this year. More than 70 million people have had problems in those places because of the storms.,Here it
4、comes again,People in southern China dont have to worry about this kind of bad weather. Most of the sand comes from Gansu and Inner Mongolia. In northern China, lots of places have few trees and dont get much rain. People there have been cutting down too many trees. When there arent many trees，the g
5、round cant keep enough water. Over the years, the ground dries up and turns to sand. When spring comes and the ice melts, the ground becomes looser. Strong winds take the loose sand into the sky.,Sandstorms are bad for peoples health. If people breathe too much sand, they could cough or have asthma(
6、哮喘) Sandstorms also give farmers lots of problems. Sometimes their sheep get lost in the storms and never get back home. The winds also tear farmers houses down. What can you do to stop sandstorms? Heres an idea: Ask your parents to help you plant some trees this spring. If you see people cutting do
7、wn too many trees, tell them about the dangers of sandstorms, andyoure your government to stop them from cutting.,因为交通堵塞他上班迟到了。(because of名词/代词). 昨天我见他正在花园里干活。(see 宾语现在分词). 翻译佳句，放眼高考 Everyone tries to get to school on time. But when bad weather gives you trouble, can you still make it before the bel
8、l rings?,1佳句仿写一二三,Because of the traffic jam he was late for work,I saw him working in the garden yesterday,2,每个人都尽力按时到校上课。但是当恶劣的天气给你带来麻烦的时候，你是否还能在上课铃之前赶到？,Module 4 Sandstorms in Asia Period One Introduction & Reading and Vocabulary 课件（外研版必修3，课标通用）,.单词识记 1_adj.吓人的，可怕的 2_adj.大量的；大规模的 3_n战役；活动 4_n过程；进
9、程,frightened,mass,campaign,process,5_n公民；市民 6_n沙尘，灰尘 7_v预报，预告 8_n力量，力气 9_v骑自行车,citizen,dust,forecast,strength,cycle,.短语天地 1_砍倒 2_突然遭遇(风暴等) 3_由于 4_认识到，意识到 5_阻止某人做某事 6_一个接一个地,cut down,be/get caught in,as a result of,wake up to,prevent sb from doing sth,one after another,They are often so thick that yo
10、u cannot see the sun, and the wind is sometimes strong enough to move sand dunes. 信息提取 soadj./adv.that.如此以至于。that引导结果状语从句。 例句仿写 他说话的声音那么大以至于另一个房间的人也能听到。 _,.句型搜索,1,He spoke so loudly that the people in the next room could hear him.,To have been caught in a sandstorm was a terrible experience. 信息提取 to
11、 have been caught in a sandstorm是动词不定式作主语，表示具体的某一件事。 例句仿写 掌握一门语言不是一件容易的事。 _,2,To master a foreign language is not an easy thing.,Sandstorms in China appear to have increased in recent years as a result of “desertification” 信息提取 appear to do/ to have done (It appears that.)看起来/看起来已经 例句仿写 她似乎是感冒了。 _,3
12、,She appears to have caught a cold.,The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see. 信息提取 makeitadj./n.to do.，其中it是形式宾语，形容词或名词作宾补，不定式是真正的宾语。 例句仿写 这个年轻人认为当一名导游是很有趣的事。 _,4,The young man considers it interesting to be a guide.,Fast Re
13、ading：Scan the text and choose the best answers according to the text. What 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
14、natural disaster that cant be treated.,.预读理解,1,(1),What 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.,(2),What is the influence
15、 of the sandstorm? AAn orange sky and traffic moving very slowly. BAn orange sky traffic moving slowly，strong winds cover the city in a thick brownyellow dust. CTraffic moving very fast to avoid the sandstorm. DStrong winds stop the traffic.,(3),What is the good suggestion when people meet sandstorm
16、? ANot going out. BIf you go out，just wear thick clothes. CWhen going out，wear a mask. DNever go out just stay home.,(4),What is the best way to avoid the effects from the sandstorm? ATo live far away from deserts. BTo stay at home when a sandstorm happens. CTo wear mask if you want to go out. DTo p
17、lant more trees. 答案 (1)B (2)C (3)B (4)C (5)D,(5),Careful Reading：Read the text carefully and fill in the blanks.,2,答案 (1)major (2)solve (3)What (4)thick (5)move sand dunes (6)How (7)desertification (8)affected (9)strength (10)coming nearer,frightening adj.吓人的，令人害怕的 It is frightening to be cycling in
18、 a sandstorm. 在沙尘暴中骑单车太可怕了。 I kept having frightening dreams all night. 整个晚上我不断地做噩梦。,1,【归纳拓展】 (1) frighten vt.(使)惊恐 frighten sb into doing 吓唬某人做某事 frighten sb out of doing sth 使某人不敢做某事 (2) frightened adj.感到恐惧的；害怕的 be frightened at/ of 害怕；对感到恐惧 be frightened to do sth害怕去做某事,【比较网站】 frightening/ fright
19、ened,【单项填空】 The film was so_that I was_when I saw it. Afrightening；frightening Bfrightened；frightened Cfrightening；frightened Dfrightened；frightening 解析 句意：这部电影很恐怖，看了以后我害怕极了。frightening为形容词“令人害怕/恐惧的”，frightened为形容词“(自身感到)害怕的，恐惧的。 答案 C,mass (1)adj.大众的；大量的，大规模的 Their latest product is aimed at the mas
20、s market. 他们的最新产品瞄准了大众市场。 The police considered it as a mass murder. 警方认为这是一次大规模的谋杀。 (2)n.大量；众多；堆 There is a mass of stones in the yard.院子里有许多石头。 (3)pl.群众 The masses have boundless creativity. 群众有无限的创造力。,2,【归纳拓展】 masses of/ a mass of 大量；许多 the mass of 大多数；大部分 the masses 群众；平民【温馨提醒】 a mass of/masses
21、of后可跟可数名词复数或不可数名词，且谓语动词与该名词的数保持一致。,【单项填空】 I got_things to deal with in the morning，so I wasnt able to go to the flower exhibit. Aa great deal of Ba large amount of Cmasses of Da great many of 解析 masses of things 成堆的事，大量的事。a great deal of/a large amount of后接不可数名词；a great many of 后接“限制词复数名词”，如：a great
22、 many of the students。修饰可数名词复数时用a great many。故答案为C项。 答案 C,strength nU，C力量，力气；长处 Union is strength.团结就是力量。 1,500meter race is his strength. 1 500米赛跑是他的强项。 I dont have the strength to climb any further. 我没有力气再往上爬了。 He hasnt got enough strength to remove that stone. 他没有足够的力气搬走那块石头。,3,【归纳拓展】 (1)have the
23、 strength to do有做的力气/意志力 with all ones strength尽力 (2)strengthen v加强 strong adj.强壮的,【比较网站】 strength/force/power/energy,【选词填空】(strength/force/power/energy) The solar cell can turn the of sunlight into electric energy. If you drop something，the of gravity will pull it to the floor. He lifted the stone
24、with all his . He has lost the of walking.,energy,force,strength,power,cut down砍倒；缩减；降价 The apple tree was dead and he cut it down. 那棵苹果树枯死了，所以他把它砍掉了。 You smoke too muchyou should try to cut down. 你抽烟太凶了，该少抽点。 I managed to cut the shopkeeper down to $100 for the watch.我跟店主打价，终于把这块手表降到100 美元。,1,【归纳拓展
25、】 cut in插嘴，打断 cut off切断，阻断，隔绝 cut out剪除，切掉，删除 cut up切碎,他把树砍倒，又把它劈成烧火用的小柴块。He cut the tree and cut it up for firewood. 村庄被大雪阻隔。The village was cut 我们正在看电视，播音员打断了节目，插播了一条最新消息。While we were watching TV，an announcer cut to tell us a piece of latest news. 医生建议他少喝酒。The doctor advised him to cut on drinkin
26、g.,用cut短语完成句子,down,off(out),in,down,be caught in 突然遭遇(风、雨等) He was caught in a heavy traffic after work. 下班后他遇到了严重的交通堵塞。 I was caught in a heavy rain on the way to work. 在去上班的路上，我突然遇到了大雨。,2,【归纳拓展】 catch a cold患感冒 catch sight of.看见 catch hold of 抓住；握住 catch up with 追上；赶上 catch ones eyes/ attention 引起
27、某人的注意 catch sb doing.发现某人正在做,佩里小姐抓住我的袖子，把我拉了回来。Miss Perry my sleeve and pulled me back. 我突然在人群中看见了她。I suddenly her in the crowd. 汤姆在阅读我的私人信件时恰好让我撞见了。I my private letters. 我们的车被困在雪里五个小时。Our car the snow for five hours.,caught hold of,caught sight of,caught sight of,was caught in,【完成句子】,prevent sb/ st
28、h (from) doing sth 阻止做某事 The accident could have been prevented. 这起事故本来是可以防止的。 Something must have prevented her (from) coming. 一定有什么事使她不能来。,3,【归纳拓展】 表示“阻止做某事”的词组还有： stop.(from)doing sth keep.from doing sth,【温馨提醒】 主动句中prevent/stop.from.中的 from 可省略，在被动句中from 不可省略，而keep.from中的from无论在主动句还是被动句中都不能省略。 Th
29、e heavy rain prevented/stopped us(from)going out. We were prevented/stopped/kept from going out by the heavy rain. 大雨使我们不能出去。,【单项填空】 Sixty people were_from the burning ship, but a great many more were drowned when it sank. Arescued Bprotected Cprevented Descaped 解析 四个选项都可与from连用。rescue.from.意为“把从解救出
30、来”；protect.from.意为“保护免受”；prevent.from. 意为“阻止做某事”；escape from意为“逃离；逃脱”，不用于被动语态。根据句意故选A。 答案 A,They are often so thick that you cannot see the sun，and the wind is sometimes strong enough to move sand dunes.沙尘暴常常很浓密，以致遮住了太阳，有时风力大得足以移动沙丘。,1,(1)本句中的so.that.意为“如此以致”。so是副词，修饰形容词或副词；that引导结果状语从句。 The girl is
31、 so lovely that everyone likes her. 这个女孩如此可爱，以致大家都喜欢她。 He got up so early that he was the first to get to school. 他起床很早，结果第一个到达学校。 There were so many people there that I wasnt able to pick her out. 那儿有很多人，我没能认出她来。,【归纳拓展】 (1)soadj./adv.that 从句 soadj.a/an可数名词单数that从句 somany/few/much/little可数名词复数或不可数名词
32、that从句 (2)sucha/anadj.可数名词单数that从句 suchadj.不可数名词that从句 suchadj.可数名词复数that 从句,【温馨提醒】 so和such放到句首时，主句要部分倒装。 So excited was he that he could not speak. 他如此兴奋，以致说不出话来。 当little 表示“小”而不表示“少”时，必须用such，如：such a little boy/such little boys；而当little 表示“少”而不表示“小”时，用so。如：so little water。,(2)句中的strong enough to
33、move sand dunes 属于“adj./adv.enoughto do”结构。此处enough作副词；enough作形容词修饰名词时，放在名词前后均可，构成“enoughn.to do”或“n.enoughto do”。 He didnt run fast enough to catch the train. 他跑得不够快，没赶上火车。 This plastic bag is not big enough to hold so many things. 这个塑料袋不够大，装不下这么多东西。 We have enough time/ time enough to read the ref
34、erence books. 我们有足够的时间来阅读这些参考书。,【翻译句子】 雨下的太大，我们不能回家。. 这个女孩如此可爱，以至于大家都喜欢她。.,The rain was so heavily that we couldnt go home,The girl is such a lovely girl/so lovely a girl that everyone likes her,【单项填空】 _to go to school must have their rights to get education in our country. AOld enough children BChi
35、ldren old enough CEnough old children DChildren enough old 解析 old enough在这里作定语修饰children，故答案为B项。 答案 B,Sandstorms in China appear to have increased in recent years as a result of “desertification”近些年来沙漠化导致的沙尘暴在中国似乎有所增加。 本句中appear to have done为不定式的完成时，表示一个更早的动作，发生在主要动词所表示的动作之前。其中appear意为“似乎，好像”。 From
36、her look, she appears to have known the truth. 从她的表情看，她好像已经知道了真相。 It appears to me that you are all mistaken. 我觉得你们全错了。,2,【归纳拓展】 appear用作系动词，意为“似乎，显得，好像”，常见用法： appear n./adj. appear to do/to be doing / to have done 似乎要做/正在做/已经做过某事 it appears(to sb) that.似乎有人要 there appears to be 似乎有,【完成句子】 他显得很老。He
37、appears . 他似乎感冒了。He appears . 我觉得有点不对头。something is wrong.,quite old,to have caught a cold,to have caught a cold,The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see.沙尘暴有时会持续一整天，并且由于浓浓的尘埃使能见度变低，使得交通变得非常缓慢。 句中的makes it difficult to see中的
38、make是使役动词，意为“使某人或某物处于某状态中”，其中it为形式主语，difficult为宾语补足语，不定式短语to see为真正的宾语，其结构为： make it adj./ n(for sb) to do.,3,The heavy snow made it impossible for them to get there on time. 这场大雪使得他们不可能按时到达那儿。 He makes it a rule to recite a poem every morning. 他把每天早晨背诵一首诗作为一项规定。 feel/ think/ believe/ find/ consider
39、 itadj./n.(for sb) to do / that. I dont think it possible to master a foreign language without good memory. 我认为没有好的记忆力，掌握一门外语是不可能的。,【单项填空】 The two girls are so alike that strangers find _difficult to tell one from the other. Ait Bthem Cher Dthat 解析 句意：这两个女孩长得如此相似以至于陌生人很难把她们区分开来。本题考查代词的用法。在that引导的结果状语从句中，谓语动词find的真正宾语是to tell one from the other，设空处需要形式宾语，而四个选项中只有it可以作形式宾语，所以选择A。 答案 A,
