外研版高中英语必修3 module4.ppt

—Skimming (略读) 方法指导 1. 浏览标题 2. 读首段，抓中心。 3. 浏览其他段首末句。4.最后读结尾段。 Match the paragraphs with their main ideas 1 .To have been caught in a sandstorm was a terrible experience. ①不定式的完成式作主语 e.g.: To have been bitten by a dog was not a delightful experience. ②be/get caught in sth. :被困在…中/ 遭遇上 e.g.: we were caught in a traffic jam. 昨天他们遇上了大雨 Yesterday they were caught in a heavy rain. 2.Sandstorms in China appear to have increased … appear (tobe )+n.\adj. appear to do It appears (to sb) that Do let your mother know all the truth. She appears ___ everything. A to tell B. to be told C. to be telling D. to have been told 4.Citizens wake up to an orange sky… wake up to+n\v-ing :意识到，发觉 wake up ： 醒来 wake sb. up 把某人叫醒 vt. e.g.直到参加了工作他才意识到学习的重要性。 He didn’t wake up to the importance of study until he joined in the work. 5. Because the thick dust makes it difficult to see. feel/ find/ make/ think/ believe/ consider it +adj./n. +to do sth.( it做形式宾语to do 不定式才是真正的宾语） e.g. 他的解释使得我们对课文的理解别得容易起来。 His explanation made it easy for us to understand the text. * * * * * Module4 Sandstorms in Asia Can you name some natural disasters? The sky is yellow and it is difficult for us to see things clearly Discussion 1.What happened in these pictures? 2.How about the sky ? 3.Why do they wear masks ? B C A Inner Mongolia Gansu Xinjiang A B C D North America Central Africa Australia Central Asia Fast-reading Read fast and try to find the main ideas of each paragraphs c. a major disaster in Asia a. the description of sandstorms b. the causes of sandstorms e. the government ’ s measures f. the forecast and suggestions d. the effects of sandstorms para.1 para.2 para.3 para.4 para.5 para.6 Look at the photo and answer the questions 1.What is a sandstorm? 2.What is the cyclist wearing and why? 3.What happens to traffic in sandstorms? 4.What do experts suggest people to do i