人教新课标高中选修8Unit5单词讲解课件-

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1、Book8 Unit5,1. _n. 可能的选择; adj. 供选择的;其他的 _ adv. 两者选一地 2. _ n. 精确;准确 _ adj.精确的;准确的 _ adv.准确无误地 3. _ vt.急剧的 n._锐利n._削刀;磨具 6. _ adj. 足够的;充足的;富裕的 _ adj.(同义词),alternative,alternatively,accuracy,accurate,accurately,interrupt,interruption,assume,assumption,sharpen,sharp,ample,enough/plenty of/sufficient/abu

2、ndant/adequate,sharpness,sharpener,ripenripe strengthen/lengthen,7. _ n.分析 _ vt.分析 8. _ n.意义;意思;重要性;重要意义 _ adj.有重大意义的,analysis,analyze,significance,significant,_ is the first thing. To get an _number,we must measure _. (accurate),accurately,Accuracy,accurate, The bell indicating the end of the perio

3、d rang,_ (interrupt) our heated discussion. Chinese civilization is the only one without _ (interrupt) in the world.,interrupting,interruption, You must be very careful with this_ knife. A workman must _ his tools if he is to do his work well. Who else has a pencil_ ?,sharp,sharpen,sharpener,1.alter

4、native n./adj. 1)我们别无选择只能妥协。 2)你可以选择斗争或者被俘。 3)有几种方案可以代替我们的计划。 除了做之外别无选择,have no choice but to do,have no alternative but to do,have nothing to do but do,“别无选择”,前有do,后无to; 前无do, 后有to,【即学即练】 完成句子 我担心我别无选择,只能呆在家里。 I am afraid I _ _ _ _ _ stay at home. 我没有别的办法,只好向警方告发了他。 I_ _ _ _ _ report him to the pol

5、ice. 答案:have no alternative but to had no alternative but to,2.interrupt vi./vt. interruption n. 1)城市的交通被浓雾阻断了。 2)对不起打扰一下,能不能告诉我去医院的路。 3)打断别人说话是很不礼貌的。,链接 cut in / break in 插嘴, 打断 without interruption不间断地 辨析 interrupt / disturb interrupt sb. 打断某人讲话或正在做的事。 disturb sb.打扰 / 妨碍 / 扰乱某人(使人不能平静或妨碍别人工作、思维或正常

6、秩序)。,用interrupt / disturb的正确形式填空 (1) Dont _ her; she is puzzling over something important. (2) His speech was constantly _ by applause.,(1) disturb(2) interrupted,(3)We have to_you,because your speech has gone beyond the time limit. (4)Playing with mobile phones in class can_other students study. 答案

7、:(1)interrupt(2)disturb,3.assume v. 1)我本以为他是老师。 2)我没看到你的车,所以我以为你出去了。 3)通常认为压力是过多工作所致。 4)假如明天下雨,我们应该做什么? 5)假如那是真的,我们现在该做什么? 6)我们假定能在一周内实施计划并为此努力。,链接 assume sb. / sth. to be 假定 / 假设某人 / 某事为 It is assumed that 人们认为 assumption n. 假定,假设 make an assumption认为,假定 on the assumption that 假定;以的设想为根据 assuming t

8、hat. 假设/假定,“假设类”,Assuming,Suppose/supposing,Provided/Providing,Given,Considering,“鉴于”,(that) 从句,It is assumed that,assume him to be,assuming,4.regardless of 1)他想什么说什么,不顾别人的感受。 2)尽管下雨了,他们继续工作。 3)法律要求公平对待所有人,不管种族、民族或者性别。,链接 in spite of / despite尽管,虽然 regardless of / in spite of / despite 后加名词或代词,不能直接跟

9、从句 though / although“虽然;尽管”, 引导让步状语从句,【即学即练】 完成句子 不管报酬多少我都要做这份工作。 I ll take the job _ _ the pay. 答案:regardless of 单项填空 _ the difficulties in talking, they can understand each other by body language. A. Regardless of B. Although C. Though D. In spite 解析:选A。although与though是连词,后需跟句子,而the difficulties i

10、n talking是名词短语,故排除。D项表达有误。故选A。,单项填空 ()So we think it is reasonable to assume they lived in these caves, _ the cold. A. regardless of B. instead of C. in terms of D. by means of,A,5. cut up 切碎,剁碎; 使伤心,使难受 (1)我们把鸡剁成块煮汤吧。 (2)当他朋友拒绝帮助他的时候,他真的很难过。 (3)他建议我们减少我们的日常开支。,归纳拓展 cutin half cutinto halves 把切成两半 c

11、ut up sth.cut sth. into pieces把东西切/剁成碎片 cut away (from sth.)(从某物上)切除、割掉、砍掉、剪去 cut off 切断的去路/来路,中断(电话通话、供给);使与外界隔绝 cut down(自根基部分)砍倒;削减,缩小 cut in (on sb./sth.) 打断(谈话);打搅;插嘴,根据句意填入cut 相关的正确短语 (1) Your article is too long please cut it _ to 1,000 words. (2) You are supposed to cut _ vegetables before y

12、ou cook. (3) I wish Marie would stop cutting _ our conversation all the time.,(1) down(2) up(3) in,6.significance n. significant adj. 1)这项发明具有非常重要的商业价值。 2)总统做了一个具有重大政治意义的决定。 3)几乎没有人意识到这项发现的重要性。 非常重要的,链接 significant adj. 重要的;有意义的 短语 be of great / no / little significance非常重要的/不重要的/不太重要的 “beof抽象名词”结构

13、“beadj.” (这些名词前可用great,some,no, little 等词修饰),be of importance be important重要的 be of help be helpful有帮助的 be of use be useful有用的 be of value be valuable有价值的 be of benefit be beneficial有益的;有好处的,6. The book is of_ . A. great significance B. very significance C. great significant D. very importance 解析:选A

14、。be of 后面跟名词常用来表达性质,名词前可以用形容词修饰,但是very是副词,因此可以排除B、D两项。,A,修饰形容词,7.somehow adv. 1)别担心。我们无论如何都会把钱弄回来的。 2)不知怎么地,一切都乱套了。 3)我认为她的想法是对的,但是不知怎么地我不能完全肯定。,一、单词拼写,significance、sharpening、 alternative、interrupt、 accelerated、ample、analysis、 Somehow、primitive、acute、 starvation、category、tentative、 assume、messy、Acc

15、uracy、spat、 ripen,1.I am fully aware that the patent is of great significance. 2.It is reasonable to assume that he is an acute observer. 3.Somhow, we must stop him from meeting her. 4.Sharpen the knife and cut up pork and mutton. 5.Apparently we have no alternative but to adapt to the environment here. 6.Regardless of our objections, he put forward some tentative suggestions, which interrupted our conversation.,

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