Unit13We27retryingtosavetheearth知识点整理

Unit 13 We 're trying to save the earth.Section A1. 区分voice,sound 和noise(1) voice 一般指人的声音，如说话，唱歌，但有时也可指鸟叫的声音。

The girlhas a beautiful voice.(2) sou nd 指人能听见的任何声音。

Sou nd travels more slowly than light.⑶noise常指不悦耳、不和谐的嘈杂声。

The noise wakes me up.The boy did ntsleep well last ni ght because of the ____ from the factory.A.voiceB.no iseC.musicD.song2. (1)more是many和much的比较级，既可修饰可数名词复数，也可修饰不可数名词，意为更多的”more students更多的学生more food更多的食物⑵less是little的比较级，修饰不可数名词，意为更少的”less poluti on较少的污染⑶fewer是few的比较级，修饰可数名词复数，意为更少的”fewer stude nts较少的学生(1) If there were more trees on the earth,there would b ____ pollution.(2) All of us want to do more work with ___ time and ___ workers.A;fewer;less B;less;fewer C;more;much D.less;more3. (1)used to do sth表示过去习惯性的动作或经常性的状态.He used to smoke,didn ' t he?(2) be used to doing sth表示习惯于做某事”My pare nts are used to gett ing up early.(3) be used to do sth=be used for doing st是被动结构，表示被用来做某事”The kni ves are used to cut thin gs.=The kni ves are used for cutti ng thin gs.(1) She used to_ with her parents, but now she is used to __ with her classmatesat school.A. live; livi ngB.l ive; liveC.l ivi ng; livi ngD.l ivi ng; live(2) Keys _____ u sed for ______ the doors.A. is, ope ningB. is, ope nedC. are, ope ningD. are ope ned4. 辨析：be able to和can(1) be able to可用于各种时态，表示经过努力而获得的能力.(2) 只有现在式(can)和过去式(could).表示自身已具有的能力或有能力做某事.(1) He could play the guitar when he was five years old改为同义句)He ________________ play the guitar whe n he was five years old.(2) Work hard, and then you will __ learn English well.A.ca nB.able toC.be able toD.are able to5. (1)alone表示单独的，独自一人的”不含感情色彩.做形容词时，只能在be 动词或系动词之后做表语，做副词时，作状语，修饰动词，相当于by on eself.He was alone in the house. I went to the movies alone I felt lonely.(2)lonely表示抓独的，寂寞的”含有丰富的感情色彩.lonely做形容词时，可做定语和表语。

如：a Ionely village孤寂的村庄.(1) 1 don 'have any close friends here,I feeJ _ from time to time.A.alo neB.happyC.lo nelyD.proud(2) The old man lives alone in the small village.改为同义句)The old man lives ___________ in the small village.(3) Though she lives ____ , she doesn ' t feel _______ .A.lonely, IonelyB.alone, aloneC.lonely, aloneD.alone, lonely6. 动词不定式在句中可以作目的状语，既可放在句首，也可放在句末，意为“为了•……”I stayed there to see what would happe n.To pass the En glish exam,I have to study En glish all day and all ni ght.He hurried back home ___ his schoolbag.A.fetchedB.to fetchC.fetchingD.fetches7. cut down意为“减少；把.. 砍倒；裁短；缩减”To cut dow n air pollutio n,we should take the bus or subway in stead of driv ing.They cut dow n the big tree.8. 区分in stead of 和in stead("instead of doing sth意为代替做某事”(2) i nstead是副词，意为“代替，相反，而，却”位于句首或句末，后不接词。

She didn ' t play basketball. She went swimmii n gtead.You should go shopp ing in stead of stay ing at home.—Lets go hiking ____ staying at home,shall we?—A good idea.A. as well asB.i n order toC. i nstead ofD. i n additi on to9. (1) else意为别的，另外的”，常用在疑问词what,where,why等或不定代词、不定畐寸词something,somewhere,anybody,nothing,someon等后面。

what else=what other things 另 S的什么something else —些别的东西(2)othe叶名词复数意为“其他的.. ”There are other adva ntages of bike ridi ng.—Would you like ___ to drink? —Yes .I ' d like a cup of coffee.A. else somethingB. something elseC. anything elseD. else anything10. 与good相关的常见搭配(1) be good at意为擅长” =do well in I am good at math.=I do well in math.(2) be good for意为对…有益”反义词组是be bad for “对.... 有害处”Swimming is good for our health.(3) be good to意为对…好” =be friendly to sb=be kind to sbShe is good to us.(4) be good with 意为“善于应付 . ” Are you good with children?Miss Read is good ___ music She can be good with children in the music club.A.at,B.withC.forD.to11. (1)bring意为“带来”，表示从别处把某人或某物带到说话者所在的地方。

常与here连用。

bring…to…意为“把... 带到.... 来”介词to后接人称代词宾格或地点名词。

Don 'forget to bring your umbrella to me.Boys and girls,please bring your pictures to the classroom tomorrow.(2)take意为“带走”，表示把某人或某物从说话者所在的地方带到别处去。

常与there连用.take…to…意为“把.... 带到.. 去”介词to后接人称代词宾格或地点名词。

Don 'worry .I 'ltake you there.(1) ____________________ The No.72bus will you there.A.holdB.catchC.takeD.bri ng(2) Whe n you come here this after noon. Please __ your sister ____ you.A.take, withB.carry, withC.bri ng, withD.bri ng, to(3) Why don'you __ your friends to the party? I want to meet them.A.bringB.brings C」eaves D.take12. (1)remember(forget) to do sth “记住(忘记)要做某事”(没做)(2)remember(forget) doing sth “记得(忘记)曾经做过某事”(做过了)—Remember to retur n the bat to me.—But I remember returning it to you.Please remember ___ Excuse mewhen you ask for help..A. to sayB. sayC. talkD. to talk13. make a differe nee意为“起作用，有影响”We want to make a differe nee to the world.14. hear of sb/sth意为“听说某人/某事的情况”hear from sb意为“收到某人的来信”I have n ever heard of him since he left.Have you heard of the n ews.—How ofte n do you ____ your brother?—Once a mon th.A.hear fromB.hear ofC.hear toD.hear about15. 表示方位的名词：east东,south南,west西,north北表示方位的形容词：eastern东部的.southern南部的.western 西部的,northern 北部的16. all the country=the whole country意为整个国家”Mary is fish ing with her gran dpa ___ .A. whole dayB. whole the dayC. the whole dayD.the all day17. “死”的多种形式：(1) dealh名词，意为“死亡，死” My little dog 'death made me very sad.(2) 追动词，意为“死亡，死”，非延续性动词，如果和一段时间连用，要用be dead代替。