学案:Language points of Module3 Unit 1 The world of our senses Part I Welcome to the unit Part II Reading1. When Polly left home that morning, the city was already covered in a grey mist. 波莉离开家的那天早晨,这座城市已笼罩在灰白色的雾气中。cover vt 遮盖,掩盖;占地(面积);走过,行走(路程);读完;采访;(钱)够用;包括,涵盖She covered her face with her hands. 她以手掩面。拓展:be covered with 由……所覆盖 cover up 掩饰,隐匿under (the) cover of 在......掩护下;以......为借口 from cover to cover 从头至尾under the same cover 在同一封信或同一邮包中2.step out into the fog =walk faster into the fog 加快脚步进入浓雾中3. wonder vt. (1) 对 …感到疑惑,想要知道+ 疑问词引导的句子或不定式 (2) 礼貌地提问或请人做事时说 I wonder if…vi 对…感到惊讶 (at/ about) n. (It’s ) no wonder (that)... 难怪……I wonder what we will do next = I wonder what to do next. 我不知道下一步该做什么。No wonder you ’ re that/so tired , you’ve been walking for hours. 难怪你那么累,你一直走了好几个小时。4. Once out in the street, she walked quickly towards her usual bus stop. 一出来到大街上,她就很快地朝她平常等的汽车站走去。Once out in the street 相当于 Once she was out in the street 引导时间状语从句。在从句主语与主句主语一致时,从句可省略主语。例如:Once published (publish), this dictionary will be very popular.Once seen (see), it will never be forgotten. Once seeing(see) Jim, I will inform him of the news.Words of similar use: if; when; while; unless etc.When b rushing (brush) your teeth , don’t leave water running all the time.If brushed (brush) three times a day, teeth can remain healthy. First aid, if properly done (do), can save a person’s life. I won’t go to the party unless (I am) invited(invite).5. The truth is that it is too foggy for the bus to ru...