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1、Module 4 Sandstorms in Asia Reading and Vocabulary (),1. Learn some language points about sandstorms. 2. Improve the ability to solve problems.,Learning aims,Leading - in,1.major adj.主要的， 多数的 Sandstorms have been a major disaster for many Asian countries for centuries. 几个世纪以来沙尘暴一直是许多亚洲国家面临的主要灾害。 I d
2、ont think that is a major problem. 我认为那不是一个主要问题。,Language points,【知识拓展】 major n.专业 vi. 主修，专攻 major in 主修 majority n.多数，大部分 the majority of=most of=the mass of a majority of 的大多数 I majored in English in the university. 我在大学主修英语。 She was elected by a majority of 3,749. 她以3,749票的多数票当选。,【即学即练】 判断下列句子中ma
3、jor的词性并翻译整个句子。 1). There are a lot of students majoring in psychology now. 2). Exercise plays a major part in preventing disease.,现在有很多学生主修心理学。,在预防疾病方面，锻炼起着重要的作用。,动词的非谓语形式,形容词,2. A mass campaign has been started to help solve it. 一场大规模的解决（沙尘暴）问题的行动已经开始了。 1)mass adj. 大量的；大规模的,a mass of =masses of=ple
4、nty of 一大堆的，一大团的，许多的，大量的 （可用来修饰可数名词，也可用来修饰不可数名词） The sky was full of dark masses of clouds. 天空乌云密布。 His heart is linked with the hearts of the masses. 他和群众心连心。,the masses 群众,2)campaign n. 战役；活动 an anti-smoking campaign 禁烟运动 an advertising campaign 广告宣传活动 We are going to begin a campaign against the
5、pollution of the environment. 我们准备开展一场反对环境污染的活动。,3. so +adj./adv. +that 如此以至于 They are often so thick that you cannot see the sun. 沙尘常常很厚以至于你连太阳都看不见。 【知识拓展】 so +many/much/little/few + n. +that so + adj. +a /an + n. +that such +a/an + adj. +n. + that such + adj. + n.(复数）+that such +adj. + n.(不可数）+tha
6、t,【辨析】 such/so that 引导的是状语从句 such/so as 引导的是定语从句 She is such a charming girl that we all love her. 她是如此有魅力的女孩以至于我们都喜欢她。 She is such a charming girl as we all love. 她是如此有魅力的女孩，我们都喜欢她。,【即学即练】完成句子。,1. Jack knows _that he has never found an exciting job. 杰克懂得如此少的英语以至于他从来没有找到令人高 兴的工作。 2. He has _his life
7、 is lonely. 他的朋友很少以至于他的生活非常孤单。,so little English,so few friends that,4. be caught in 突然遭遇（风暴等） To have been caught in a sandstorm was a terrible experience. 遇上沙尘暴是一次可怕的经历。 to have been caught in a sandstorm 不定式的完成式作主语,表示已经发生的动作。例如： To have been bitten by a dog was not a delightful experience. 被狗咬不是一
8、次愉快的经历。,【知识拓展】catch 构成的常见短语: 1. catch sb. doing sth. 偶然发现某人正在做某事。例如: The teacher caught him sleeping in class. 老师发现他在上课时睡觉。 2. catch up with 赶上。例如: Youll have to work harder to catch up with him. 你将不得不努力学习赶上他。 3. catch hold of 抓住，握住。例如： Do you catch hold of our teaching methods now ? 现在你掌握了我们的教学方法了吗
9、？,【即学即练】完成句子。 He had a bad cold, because _ the heavy rain on his way home after school. 他得了重感冒，因为他在放学回家的路上碰上了大雨。 2. You walk on and Ill _you later. 你继续走，我会随后赶上。,he was caught in,catch up with,5. appear vt.似乎，看起来 Sandstorms in China appear to have increased in recent years as a result of “desertifica
10、tion”. “沙漠化”导致沙尘暴近几年在中国似乎有所增加。 appear to do 似乎/好像要做(不用进行时态）；appear +adj .(构成系表结构） It appears (to sb.) that 某人觉得 She appears to want to leave.她看起来想要离开。 She appeared very tired.她看起来非常疲惫。,【即学即练】 完成句子 他显得很老。 He appears _. 他似乎感冒了。 He appears _. 我觉得有点不对。 _ something is wrong.,very old,to have caught a col
11、d,It appears to me that,6. strength U 力量;力气;意志力;C 优势，长处，优点 The strength of the storm sometimes surprises people. 有时沙尘暴的强度惊人。 Where did you find the strength to keep trying? 你不断进行尝试的意志力是从哪儿来的？,【知识拓展】 strengthen v. 加强 build up ones strength / body 强身健体 with all ones strength 用尽全身的力气 At present America
12、 is taking some measures to strengthen the economy. 目前美国正在采取措施以加强经济。 He has been doing morning exercises to build up his strength. 他一直进行晨练以强身健体。,【即学即练】完成句子。,1. It may take a few weeks for you_ _again after the illness. 病后可能需要几个星期你才能恢复体力。 2. His visit is intended _ties between the two countries. 他此次访
13、问旨在增进两国间的关系。,to build up your,strength,to strengthen,7. This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass. 沙漠化是一个由于气候变化或者人类砍伐树木、挖掘 植被而使陆地变成沙漠的过程。 cut down 砍倒； 削减，删减 Your article is too long, so please cut it down to
14、500 words.你的文章太长，所以请把它删减到500字。,(2) dig up 从地里挖出(某物)； 掘到，掘出 We dug up the tree by its roots. 我们将树连根挖起。 An old vase was dug up here last month. 上个月这里挖掘出了一个古老的花瓶。,1.The new coat looked too large on Mary, so her mother had to _. 这件新外套玛丽穿着太大了，因此她妈妈不得不为她改小一些。,【即学即练】,cut it down,2.In order to get more mark
15、et, we _ of products.,cut down the price,为了获得更大的市场份额，我们降低了产品价格。,8. make it + adj. + to do sth.使做某事 The thick dust makes it difficult to see. 浓浓的尘埃降低了能见度。 it是形式宾语, to do sth. 是真正的宾语。 The heavy rain made it impossible for us to get there on time.大雨使我们不能按时赶到那儿。 This book makes it easier for us to understand this question.这本书使我们更加容易明白这个问题。,【知识拓展】 find consider think + it + adj./ n. + for sb. to do sth. believe that 从句 feel make,【即学即练】完成句子。,1. Its too late. I cant _to get to the airport on time. (make) 太晚了。我不可能准时到达机场了。 2. The chairman _
