(
课件网) Module 4 Sandstorms in Asia Reading and Vocabulary (Ⅱ) 1. To learn some language points about sandstorms. 2. To 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 don’t 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major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 a mass of =masses of=plenty 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。 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 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 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）+that… 【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 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: You’ll 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 ... ...
