新版牛津8BU8知识点

1、_8BU81、 dig diggingdig-dug-dug2、 serious adj. 认真的；严肃的比较级： more serious最高级： most seriousadv.seriouslybe serious about sth.对某事是认真的My father is serious about his work.我的父亲对工作很认真。Don tlaugh,boy. This is serious.小伙子，别笑。这很严肃。serious严重的The boy has a serious disease.这个女孩得了严重的疾病。3、 reduce v. 减少反： increasered

2、uce 指在数量、数目上的减少reduce to减少到reduce by减少了We can reduce his speech to threee sentences.我们可以把他的发言减少到三句话。As a result,costs will be reduced by as much as 90%.因此，成本将会降低90% 。4、 pollution U污染精品资料_air pollution空气污染water pollution水污染noise pollution噪音污染light pollution光污染5、 by + n./pron./doing通过某种方式6、 turn on打开t

3、urn off关闭turn up音量调高turn down音量调低7、 when当 . 的时候主将从现8、 cause导致；造成cause sb. sth. = cause sth. to sb.He caused his parents much trouble. = He caused much trouble to his parents.他给父母带来很多烦恼。9、 wise明智的adv.wiselyShe has the air of a wise woman.她有才女气质。10 、 plastic n.塑料UWe shoudn tuse too many plastic bags.我

4、们不应该使用太多塑料袋。精品资料_11 、 separate v.分开separate into分成 .separate from把某物分离We are separated into 4 groups.我们被分为4 组。The war separated him from his family.战争把他和他的家人分离。12 、 some.some.others.一些 ., 一些 ., 其他的 .We are all in old peoples home. Some are cleaning the house, some are singing anddancingfor old peopl

5、e,and others are chatting with the old people.我们都在敬老院， 一些人在打扫房间，一些人在为老人唱歌跳舞，其他人在陪老人说话。13 、 allow允许allow (doing) sth.允许做某事We don tallow eating in the classroom.我们不允许在教室吃东西。allow sb. to do sth.允许某人做某事My parents dontallow me to go out at night.我父母不允许我晚上出去。14 、 cut down砍倒；削减cut down the trees砍倒树cut up切开

6、；切碎cut up the carrots把胡萝卜切碎cut off切除；切断；中断I was cut off on my line to London.我打伦敦长途时，电话线被切断了。精品资料_15 、 punish v. 惩罚n.punishment惩罚punish sb. for sth.因某事惩罚某人Their teacher punished them for their rudeness.老师因为他们态度粗鲁而惩罚他们。16 、 if 引导的条件状语从句，主将从现If he has time, he will go there.如果他有时间，他将会去那。注意：当 if 表示是否的时

7、候，时态应根据具体句子进行判断。I don tknow if he will come or not.我不知道他是否会来。17 、 depend v.依赖；依靠adj.dependentindependentn. Dependence depend on sth./sb.We can tdepend on our parents all the time.我们不能一直依赖父母。18 、 rich adj. 丰富的be rich with.富有 . be rich with challenge富有挑战意识be rich of. .很丰富be rich of resources资源丰富be ric

8、h in.在 . 方面很丰富be rich in oil and gas在油气资源上很丰富rich 有钱的精品资料_The rich man donated his money to charity.那个有钱人把钱捐给了慈善组织。19 、 sth. run outMoney is running out.钱快用光了。sb. run out of sth. We are running out of money.我们的钱快用光了。run out跑出去The boy stood up and ran out.男孩站了起来，跑了出去。20 、 produce生产n. productionHard w

9、ork produces success.辛勤劳动带来成功。21 、 make a difference (to sb./sth.)（对 . ）有影响，起作用make no difference( to sb./sth.)（对 . ）没有影响We can make a differrencce if we work hard for a long time.如果我们努力学习很长时间会有所不同的。22 、 on display=on show在展览中23 、 as well as（除 . 之外）也，既 . 又Im learning French as well as English.我学英语之外

10、还学法语。The child is lively as well as healthy.这孩子既健康又活泼。24 、 harm v.伤害harm sb./sth.I don twant to harm others.我不想伤害别人。精品资料_harmful adj.有害的harmless adj.无害的harm n. 伤害do harm to对 . 有伤害Sometines we do harm to the environment.有时我们对环境做了不好的事。25 、区别 alive, living live和 livelylive 只能作定语， 接名词，一般不指人， 译为 “活的、现场直播

11、的、 实况的 ”，例如：My motherbought a live fish this morning.lively 指人和物，汉语可译为“活泼的、活跃的、充满生机的”，作定语、表语，eg ： she is a lively girl.alive 表语形容词， 可指人或物， 作后置定语或补足语，说明生与死的界限，与 dead 相对应，例如：Who is the greatest man alive?The thief was caught alive.living 指人或物，作定语、表语，说明某个时候是活着的，强调“尚在人间、健在”的意思，例如： His father is still li

12、ving.the living 可以表示 “活着的人们 ”的意思， 为复数的含义。 The living are more important to usthan the dead.26 、 do a survey on sth.做一个关于 . 的调查27 、 Turn off the tap when brushing teeth.when+ 现在分词短语相当于 when引导的状语从句，从句用现在进行时态Don ttalk with others when eating things.=Dont talk with others when you are eatingthings.精品资料_28.empty adj.空的反： fullv. 倒空empty the rubbish bin把垃圾箱倒空29 、 not only.but also.不仅 . 而且 . （就近原则）30 、 o.使组