学年高中英语 Module 4 Sandstorms in Asia Period One课时作业 外研版必修3.docx

1、学年高中英语 Module 4 Sandstorms in Asia Period One课时作业 外研版必修3Module 4 Sandstorms in Asia话题导入Because of the development of agriculture，the area of land affected by sand has gradually increased.During the 1950s and 1960s the land affected by sand expanded on average into 1,600 square kilometers per year.By

2、 the 1990s，the area had reached 2,500 square kilometers per year.This kind of situation is particularly serious in many regions upwind(逆风的) from Beijing.Fengning City in Hebei Province and Duolun City in Inner Mongolia lie to the north of Beijing，and in the last 50 years the population of these two

3、cities has grown by 2 to 3 times.In order to obtain more resources，the inhabitants have been busy with heavy farming，treecutting and keeping animals.The result is that the soil which has sustained damage，and the sand layer below the earth is now exposed on the ground and the ground is rapidly being

4、controlled by the spread of sand.China has already noticed this problem，and hastaken measures to save the land.Nowadays，some land used for farming has returned to forestland and grassland.The Chinese government announced that it would invest more than RMB 600,000,000 to control Beijings sandstorms i

5、n the coming years.Only by decreasing the damage caused by man and restoring the natural environment will it be possible to well control the sources of the sand and dust.We hope in the notdistant future，we will solve the problem successfully and effectively.根据上文完成下列各题1Whats the main idea of the pass

6、age?Its_about_sand_expanded/desertification_in_China.2How to control the sources of the sand and dust?(1)Decrease_the_damage_caused_by_man.(2)Restore_the_natural_environment.Period OneIntroduction & Reading and Vocabulary.单词1frightening adj.吓人的；可怕的frighten vt.使惊吓frightened adj.受惊的；受恐吓的2inland adj.内陆

7、的；内地的land n陆地motherland n祖国3desertification n(土地的)荒漠化，沙漠化desert n沙漠4citizen n公民，市民5dust n沙尘；灰尘dusty adj.满是灰尘的dustbin n垃圾箱6strength n力；力量；力气strong adj.强，强壮的strengthen vt.加强，巩固.短语1cut_down砍倒2dig_up挖3be_caught_in突然遭遇(风暴等)4as_a_result_of由于，因为5one_after_another一个接一个地.课文理解1What is the best description abo

8、ut a sandstorm according to the text?AIt is a major disaster for many Asian countries for centuries.BIt is strong wind carrying sand.CIt is a way to cause land to become desert.DIt is a kind of natural disaster that cant be treated.答案B2What is the main reason for the increase of sandstorms in China

9、recently?ATo be close to many deserts.BThe worsening of the weather in China.CDesertification.DCutting down trees and digging up grass.答案C3What effects are sandstorms bringing to people living in cities?AThe whole city is usually covered in a thick and brownyellow dust.BTraffic moves very slowly.CPe

10、ople cant breathe well and the dust makes them ill.DAll of the above.答案D4What 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 a mask if you want to go out.DTo plant more trees.答案D5Which of the following is NOT

11、the element to make Central Asia，North America，Central Africa and Australia the four main places where there are sandstorms?AThe climate in these places is rather bad.BThey are all the places with big deserts.CThe natural environment in these places is worsening every year.DThe governments in these

12、places pay little attention to the protection of nature.答案D.课文缩写Sandstorms，strong dry winds 1.that carry sand，have struck some Asian countries for centuries.2.When climate changes，people cut down trees and dig up grass,3.and land becomes desert.As a result of desertification sandstorms in China seem

13、 to 4.have_increased (increase) in recent years.Northwest China is part of the sandstorm centre in Central Asia.Sandstorms sometimes have 5.a very bad effect on Beijing,6.especially (especial) on its weather and traffic.To solve the problem，many ways have been tried.For example，in order to stop the

14、desert，7.which is only 250 km away to the west,ing (come) nearer to Beijing，the government is planting trees.So far，over 30 billion trees 9.have_been_planted (plant) and 10.more (many) trees will be planted for the next five years.1It lasted for ten hours and was very frightening.它(这场沙尘暴)持续了十个小时，非常可

15、怕。归纳拓展frightening adj.令人害怕的，吓人的frightened adj.害怕的be frightened of/that/to do.害怕frighten vt.使害怕frighten sb.away吓走某人frighten sb.to death把某人吓得半死语境助记(1)It is frightening when a tiger is angry.老虎发怒的时候令人害怕。(2)It was supposed to be a horror film but it wasnt very frightening.这应该是一部恐怖片，但并不太吓人。题组训练用frighten的

16、适当形式填空(1)The frightened girl was frightened by the frightening dog.(2)On seeing the mans frightening face，all are frightened to run away，for hes got a quite ugly face.2Scientists have tried many ways to solve this problem and in China，a mass campaign has been started to help solve it.科学家们尝试了许多方法来解决这

17、个问题，而且在中国一场大规模的运动已经开始来帮助解决这个问题。归纳拓展mass adj.大量的；大规模的，广泛的；n.团，块，堆；大量，许多；vt.&vi.集结；聚集mass production批量生产the masses群众masses ofa mass of许多，大量(可用来修饰可数名词，也可用来修饰不可数名词)语境助记(1)The sky was full of dark masses of clouds.天空乌云密布。(2)His heart is linked with the hearts of the_masses.他和群众心连心。题组训练用mass或mass短语的适当形式填空

18、(1)The movement was a mass campaign which was organized by government.(2)The_masses are the true makers of history.(3)There were masses_of people in the shops yesterday.(4)When we face a_mass_of information，the key is how to choose the useful information.思考许多短语都有“许多的，大量的”之意，可修饰可数或不可数名词。你能列举一些吗？可数或不可

19、数名词可数名词复数不可数名词3.，but the strength of the storm sometimes surprises people.，但是沙尘暴的威力有时让人意外。归纳拓展strength n. U力量；力气；意志力；坚强；C强项，优势，长处have the strength to do sth.有做的力气/意志力build up ones strength增强体力with all ones strength用尽全身的力气strengths and weaknesses强项和弱项strengthen v加强，巩固语境助记(1)Where did you find the str

20、ength to keep trying?你不断进行尝试的意志力是从哪儿来的？(2)Everybody has his strengths and weaknesses.每个人都有长处和短处。(3)He has been doing morning exercises to build_up_his_strength.他一直进行晨练以增强体力。(4)At present America is taking some measures to strengthen the economy.目前美国正在采取措施以巩固经济。strength/force/power/energy(1)strength指

21、体力，强度，力量。(2)force指物理学上的“力”，也指为做某事而使用的力量，还可指武力。(3)power指行动所根据的职权或能力，有时也指有权力的人或强国。(4)energy指物理学上的“能”的概念或生理上的“精力”。题组训练用strength，force，power或energy的适当形式填空(1)I shall do everything in my power to help you.(2)An excellent boxer should own strength and skills.(3)He had so much strength/energy that he could

22、do the work of three men.(4)The law will no longer come into force.(5)I have hardly enough strength left to move.1Deserts are also created because people cut_down trees and dig up grass.人们砍树挖草也造成了土壤的沙化。归纳拓展cut down砍倒；杀死；削减，缩小(尺寸、数量等)cut out剪除；切掉；割掉；停止；放弃cut up切碎；使伤心cut off切断；停掉；隔绝cut in插入；插嘴cut acro

23、ss/through抄近路穿过语境助记(1)Ill cut_down_(on) my smoking，maybe cut it out entirely.我要少抽点烟，也可能完全戒掉。(2)John was cut_up about his failure to win Marys heart.约翰没有赢得玛丽的芳心，感到十分伤心。(3)As we were talking，she cut_in with a question whether we could cut_across the square.我们正在谈话，她插嘴问我们是否可以抄近路穿过广场。(4)I cut this articl

24、e out of the newspaper.我从报纸上剪下了这篇文章。(5)The floods cut_off their supplies.洪水切断了他们的供给。题组训练(1)写出下列句子中cut down的汉语意思Dont cut down the tree that gives you shade.砍伐，砍倒The whistling bullets cut the enemy soldiers down like corn.杀死My mother cut down fathers trousers to fit me.缩小(尺寸)May I suggest that you cut

25、 down the quantity of your order by half？削减(2)If you dont cut down on your smoking，I will cut off your supply.2“To have been_caught_in a sandstorm was a terrible experience，”.“遇上沙尘暴是一次可怕的经历，”归纳拓展be caught in(be trapped inbe stuck in)遭遇上catch构成的常见短语：catch up with赶上catch hold of抓住，握住catch sight of看见ca

26、tch sb.doing sth.发觉/发现某人在做某事语境助记(1)I was_caught_in the downpour on my way home from school.从学校回家的路上，我碰上了大雨。 (2)The teacher caught_him_sleeping in class.老师逮住他在课堂上睡觉。(3)Youll have to work harder to catch_up_with the top students.你必须更努力学习，才能赶上优秀的学生。题组训练(1)用catch短语的适当形式填空I am often caught_in a heavy tra

27、ffic on my way to school.At the moment our technology is more advanced，but other countries are catching_up_with us.The child caught_hold_of his mothers hand tightly in the earthquake.(2)The salesman scolded the girl caught stealing(steal) and let her off.3They are often so thick that you cannot see

28、the sun，and the wind is sometimes strong enough to move sand dunes.沙尘暴常常很大，以至于遮住了太阳，有时风力大得足以移动沙丘。归纳拓展(1)本句中的so.that.意为“如此以至于”。so是副词，修饰形容词或副词；that引导结果状语从句。具体有以下几种形式：(2)such.that.中的such常用来修饰名词。主要有以下几种形式：(3)当little表示“小”而不表示“少”时，必须用such修饰，如：such a little boy/such little boys；而当little表示“少”而不表示“小”时，用so修饰，

29、如：so little water。(4)so和such放在句首时，主句要部分倒装。(5)so that也可连在一起使用，引导结果状语从句或目的状语从句；引导目的状语从句时相当于in order that。语境助记(1)He is so_excellent_a_student_that we all want to make him our example.他是个如此优秀的学生，以至于我们都想以他为榜样。(2)There were so_many people there that I wasnt able to pick her out.那儿有很多人，以至于我没认出她来。(3)We got

30、up early so_that/in_order_that we could catch the first bus.我们很早就起床了，以便能赶上第一班公共汽车。(4)So excited was_he that he could not speak.他如此兴奋，以至于说不出话来。题组训练句型转换(1)It was so hot a day that nobody wanted to do anything.It was such a hot day that nobody wanted to do anything.(2)The teacher spoke so fast that I c

31、ould not follow him.So fast did the teacher speak that I could not follow him.4The storms sometimes continue all day and traffic moves very slowly because the thick dust makes_it_difficult_to_see.沙尘暴有时持续一整天，车辆开得很慢，因为浓浓的尘埃降低了能见度。归纳拓展makes it difficult to see是makeitadj./n.to do结构，it是形式宾语，代替后面的动词不定式短语。常用于此结构的动词还有feel，think，find，consider等。语境助记(1)Ive made_it_a_rule never to_hurry.我已