高中英语 Unit 6 At one with nature教学 知识细解码学案 外研版必修第一册-外研版高一第一册英语学案

At one with nature1．complete v. 完成→completion n．完成，结束2．prevent v．阻挡，防止→prevention n. 预防，防范3．harmony n. 融洽相处，和谐→harmonious adj. 融洽的，和谐的4．agriculture n. 农业→agricultural adj.农业的；农艺的5．design v. 设计→designer n．设计者，设计师6．harm v. 伤害，损害→harmful adj.有害的→harmless adj.无害的sheet n．床单，被单； 一张(通常指标准尺寸的纸)；一大片(覆盖物) ①The road was covered with a sheet of ice.一大片②Have you changed the sheets? 床单③Please hand me a blank sheet of paper，will you？一张Words And Phrases知识要点 1 prevent vt.防止；阻止(教材原句 P63) The flat terraces catch the rainwater and prevent the soil from being washed away.平坦的梯田可以收集雨水，防止土壤被冲走。[例 1] The accident could have been prevented.这次事故本来是可以防止的。[例 2] Bad weather prevented me from starting.恶劣的天气使我不能动身。[翻译] 昨天晚上是什么事使你不能和我们在一起？What prevented you (from) joining us last night?[知识拓展](1)prevent...(from)doing sth. 阻止……做某事(2)与“prevent...(from)doing sth.”意义相近的短语还有：stop...(from) doing sth.keep...from doing sth.(3)以上短语用于主动语态时，“ prevent...from doing sth.”与“stop...from doing sth.”中的 from 可省略，而“keep...from doing sth.”中的 from 不能省略。“keep...doing”意为“让……一直做某事”。所以用于被动语态时，这三个短语中的 from都不能省略。[即学即练] 单句语法填空①Social phobia(社交恐惧症)prevents people making(make) the normal，everyday mistakes that may help them improve their skills even further.②Social attention should be paid to preventing our earth from being polluted (pollute)．③Actually，there are grammatical mistakes made by students that keep them from writing good compositions.知识要点 2 in harmony with 与……和谐相处( 教 材 原 句 P63) But perhaps what is most significant is the way in wh...