课件15张PPT。Module 4 Sandstorms in AsiaStep One 构词助记Step Two 词义助记内容索引Step Three 语境助记Vocabulary BreakthroughStep One 构词助记A组 前缀
land n.→ adj.内地的;内陆的
cast v.→ vt.预报;预告
cycle vi.→ v.再循环;重新利用inlandforecastrecycleB组 后缀
frighten v.→ adj.吓人的;可怕的
pollute v.→ n.污染
coast n.→ adj.沿海的frighteningpollutioncoastalC组 合成
n.+n. n.沙尘暴
n.+n. n.坚果壳;简单的一句话sandstormnutshellD组 转化
n.?adj. 大量的;大规模的
化学的
主要的;多数的masschemicalmajorStep Two 词义助记A组 同义词
terrifying adj.? adj.
rubbish n.? n.
completely adv.? adv.frightening/scarygarbageabsolutelyB组 形近词
island n.岛屿? adj.内地的;内陆的
progress n.进步? n.进程;过程
mayor n.市长? adj.主要的;多数的inlandprocessmajorStep Three 语境助记1.背诵经典 With people’s cutting down trees,desertification has been threatening us,and sandstorms are becoming more frequent these years,especially in inland China.
2.背诵经典 It’s absolutely frightening and scary when you are caught in a sandstorm.3.背诵经典 In the process of developing economy we have been polluting the environment,for example,discharging chemicals into the rivers and giving out waste gases,like carbon dioxide,into the air.
4.背诵经典 It’s true that most of us are concerned about the environmental protection.But it’s no use complaining about the present urgent situation.
5.背诵经典 In a nutshell,it’s every citizen’s duty to work hard to win the campaign of protecting the environment.本课结束