新版牛津8BU8知识点

1、8BU81、 dig digging dig-dug-dug2、 serious adj.认真的；严肃的 比较级：more serious 最高级：most serious adv.seriously be 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。 Dont laugh,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：in

2、crease reduce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 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./doin

3、g 通过某种方式6、 turn on 打开 turn 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.wisely She has the air of a wise woman. 她有才女气质。10、 plastic n. 塑料 UW

4、e shoudnt use too many plastic bags. 我们不应该使用太多塑料袋。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 sin

5、ging and dancing for old people,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 dont allow 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 dont allow me to go out at night. 我父母不允许我晚上出去。14、 cut down

6、 砍倒；削减 cut down the trees 砍倒树cut up 切开；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。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

7、 go there. 如果他有时间，他将会去那。注意：当if表示是否的时候，时态应根据具体句子进行判断。I dont know if he will come or not.我不知道他是否会来。17、 depend v. 依赖；依靠adj.dependent independentn. Dependencedepend on sth./sb.We cant depend 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.

8、 .很丰富 be rich of resources 资源丰富be rich 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 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 out Money 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，

9、跑了出去。20、 produce 生产 n. production Hard work 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 learnin

10、g French as well as English. 我学英语之外还学法语。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 dont want to harm others. 我不想伤害别人。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lively

11、 live只能作定语，接名词，一般不指人，译为“活的、现场直播的、实况的”，例如：My mother bought 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

12、意思，例如：His father is still living.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 us than 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Dont talk with others when eating things.=Dont talk with others when you are eating things.28. empty adj. 空的 反：full v.倒空 empty the rubbish bin 把垃圾箱倒空29、