Module 4 Sandstorm in Asia【教学目标】1) 能掌握以下单词及词组：frightening, protect, major, mass, be caught in, survive, appear, process, forecast, strength, advise, prevent, atmosphere, urgent, concerned, complain, absolutely, allow, cut down及cut的其他词组，take in 及take的其他词组，be caught in, have an effect on, give out, care about, too much, have difficulty in doing sth. look through等。
能掌握以下句型：①so...that...如此...以至于...②动词不定式做主语③动词+it(形式宾语)+宾补+真正的宾语④‘否定词+比较级’表达最高级含义2)能了解以下语法：不定式的用法--时态和语态，语法功能，不定式符号to的去与留，but to do 结构【知识梳理】►词汇精华New words1.frighting adj. 骇人的，使惊恐的，常用来形容事物等。
e.g. It’s really a fighting experience. 这真是一次令人恐惧的经历。
拓展：fright n. 惊吓，恐怖frighten v. 使惊吓frightened adj. 害怕的，常用来形容人或人的表情声音等。
2. cut down 砍倒；消减缩小e.g. The villagers often cut down trees in order to build new houses. 村名为了建房经常砍伐树木。
拓展：cut in 插嘴cut up 切碎cut off 砍掉；中断3.protect v. 保护protect...from/against.... 保护免受e.g. He protected his hands from the cold with gloves. 他用手套保护手，以免受冻。
