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Unit 5

Meeting your ancestors 会昭祖先

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重点单词
1. alternative n.可能的选择 adj.供 选择的;其他的 2. starvation n.挨饿;饿死→ starve vt.& vi. 3.accuracy n.精确;准确→ accurate adj. 4. interrupt vt.& vi.打断……讲话;打 岔;暂时中断或中止→ interruption n. 5. acute adj.有观察力的;敏锐的;严 重的;深刻的

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6. assume vt.假定;设想→ assumption
n. 7. regardless adv.不管;不顾 8. sharpen vi.& vt.(使)锋利;尖锐; 清晰→ sharpener n.磨具;削具 9. messy adj.凌乱的;脏的 10. significance n.意义;意思;重要 性;重要意义→ significant adj. 11. somehow adv.以……方式,不知 怎么地

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12. delete vt.删;删除→ deletion n. 13. pulse vi.强烈而有规律地跳动;搏 动 n.脉搏;节拍 14. applaud vi.& vt.鼓掌欢迎;赞赏 15. accelerate vi.& vt.加速;促进 → acceleration n. 16. arrest vt.逮捕;吸引 n.逮捕; 拘留 17. dizzy adj.晕眩的;昏乱的;使人 发晕或困惑的 18. skilful adj.有技巧的;熟练的 (〈美〉skillful )

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重点短语
1. regardless of 不管;不顾 2. at most 至多;最多 3. cut up 切碎 4. fed up with 受够了;饱受;厌烦 5. look ahead 向前看;为将来打算 6. date back to 追溯到…… 7. concentrate on 集中 8. search for 寻找

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重点句型
1. If only it could be just like last year! 【精提取】 if only意为“但愿……, 要是……就好了”。 【巧应用】 要是当时我接受你的建议 就好了! ________ ________ ________ ________ ________ ________ ________then! 答案:If only I had followed your advice

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2.We have been excavating layers of ash almost six metres thick,which suggests that they might have kept the fire burning all winter. 【精提取】 suggest意为“暗示,表 明”。 【巧应用】 他的坐立不安说明了他想 立即离开。 His restlessness suggested that he________ ________ ________ ________. 答案:wanted to leave immediately

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3.Having heard wolves howling in the forest,Lala accelerated her walk up the path to the caves fearing that there might be wild beasts lying in wait for her. 【精提取】 lie in wait for sb.隐蔽静 候以出其不意。 【巧应用】 警察为了捕获嫌疑人隐蔽 埋伏了好几天。 The police________ ________ ________ ________ ________ ________ ________ ________the suspected man. 答案:spent a few days lying in wait for

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4.So we think it is reasonable to assume they lived in these caves,regardless of the cold. 【精提取】 regardless of不理会,不 顾。 【巧应用】 不论他是对还是错,我们 必须遵守他的决定。 ________ ________ ________ ________ ________ ________ ________ ________,we have to follow his decisions. 答案:Regardless of whether he is right or wrong

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词语细解
点对点

1. alternative adj. 供选择的;其他的 n.可能的选择;选择对象
(1)alternative energy替代能源
?an alternative to...……的替代品 ? (2)?have no alternative but to do sth.别无选择只好做 …… ?There is no alternative...别无选择 ?

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①I offered the alternative suggestions of spending the vacation in the mountains or by the sea. 我提议这次假期不是到山上就是到海边 去。 ②Do you have an alternative solution to the problem? 你有没有别的办法来解决这个问题?

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③The soldiers had no alternative but to fight till the victory. 战士们没有选择的余地,只能战斗到胜 利。 ④The way was blocked,so I went by an alternative road. 这条路被挡住了,因此我走了另一条。

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1.You have the________of working hard and being successful or of not working hard and being unsuccessful. A.selection B.choice C.alternative D.option 解析:选C。alternative “抉择;取 舍”,指在两者之间做出选择;selection 挑 选,精选;choice一般意义上的选择; option选择权(right or power of choosing)。

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2. interrupt vt.& vi. 打断……讲话; 打岔;暂时中断或中止 interrupt sb.打断某人讲话或正在做的 事 interruption n.中断,打断 without interruption不间断地 ①Don’t interrupt us;it’s rude. 别打断我们谈话,这样很不礼貌。

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②I’m sorry to interrupt you,but could you tell me the way to the hospital?对 不起,打扰了,你能告诉我去医院怎么走 吗? ③He was interrupted by the ringing of the telephone. 电话铃声打断了他。 ④Traffic was interrupted by a snow storm. 交通被暴风雪阻断了。

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比较网站 interrupt,disturb (1)interrupt突然中断、打断他人的言 语或行为,使其不能继续。 (2)disturb较正式用词,多用被动语 态。指扰乱,使人不能平静或妨碍别人工 作、思维或正常秩序,是程度较深的烦恼。 ①You’d better not interrupt him.He is sleeping. 你最好别打扰他,他在睡觉。

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②If you get up early,try not to disturb anyone else. 如果你起得早,尽量不要打扰别人。 ③I’m sorry to disturb you,but can I talk to you for a moment? 对不起,打扰你一下,我能跟你谈一会 儿吗?

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高效记忆

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2.It is bad manners to________others while they are having a conversation. A.disturb B.bother C.interrupt D.drop in 解析:选C。“打断某人的谈话”应该 用interrupt。

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3. assume v.

?assume sb./sth.to be假定/假设某人/某事为 ? (1)? ? ?It is assumed that...……被认为

假定;设想;假装;承

?assumption n.假定,假设 ? (2)?make an assumption认为,假定 ? ?on the assumption that假定

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(3)assuming that...假设/假定…… ①I had assumed him to be a teacher. 我本以为他是教师。 ②I didn’t see your car,so I assumed you’d gone out. 我没有看见你的车,所以我以为你出去 了。 ③It is generally assumed that stress is caused by too much work. 普遍认为,压力系工作过重所致。

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④We are working on the assumption that everyone invited will turn up. 我们假定了每个人都会应邀出席并就此 作出安排。 ⑤Assuming it rains tomorrow,what shall we do? 假定明天下雨,我们该怎么办?

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3.We all can go out for a picnic this afternoon-________that the others agree. A.to assume B.assumed C.assume D.assuming 解析:选D。assuming that...“假 定……”。类似表达有: providing/supposing (that)...。

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4. arrest n. 吸引
?arrest sb.for因 ……而逮捕某人 ? (1)?get arrested遭逮捕 ? ?arrest one’s attention引起注意
?under arrest被捕 ? (2)? ? ?make an arrest进行拘捕

逮捕;拘留

vt.逮捕;

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①Embry was arrested for stealing cars. 恩布里因为偷车而被捕了。 ②He was placed under house arrest in 1995. 他在1995年被软禁。 ③The police expected to make an arrest soon. 警方很快就会进行拘捕。 ④The beautiful sunset arrested our attention,and we stopped to watch it. 美丽的日落吸引了我们的注意力,我们 停下来观看。

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4.It is reported that the agent was________for carrying a false passport. A.arrested B.accused C.charged D.suspected 解析:选A。句意:据报道那个代理商 因使用假护照而被捕。arrest逮捕;be arrested for因……被逮捕;be accused of 因……被指控;be charged with被控 告……;be suspected of被怀疑……。

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5. significance n. 意义;意思;重大 意义;重要性 (1)be of great significance非常重要 (2)significant adj.有意义的,意味深长 的; 重要的,重大的 (3)significantly adv.有重大意义地;明 显地;显著地;意味深长地

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①Few people realized the significance of the discovery. 很少有人意识到这一发现的重要性。 ②It is a matter of great significance. 这是一个非常重要的问题。 ③Their change of the plan is strange but I don’t think it’s significant. 他们改变了计划这十分奇怪,但我觉得 没什么用意。 ④He smiled significantly at his students. 他意味深长地对他的学生笑了。

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5.This new discovery of oil is of great_______to this area’s economy. A.significance B.accuracy C.satisfaction D.assumption 解析:选A。be of significance to sb./sth.相当于be very significant for sb./sth. 对某人/某物有深远意义。句意:这次新发 现的石油对这个地区的经济有着重大的意 义。

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6. regardless of... 不管,不顾 (1)regardless of...不管,不顾,侧重指 不计后果和代价 (2)in spite of=despite不管,不顾;尽 管,虽然 ?regardless of ? ? ? (3)?in spite of ?后不能直接跟从句, ? ? ?despite ? 但可以接“the fact that...”

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①They continued to work regardless of the fact that it was raining. 尽管天在下雨,他们还是继续工作。 ②They decorated the house regardless of cost. 他们不惜工本装修这栋房子。 ③He says what he thinks,regardless of other people’s feelings. 他怎么想就怎么说,不考虑别人的感 受。

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6.(2009年江苏常州武进区四校联 考)The goal is to make higher education available to everyone who is willing and capable________his financial situation. A.with reference to B.owing to C.in terms of D.regardless of

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解析:选D。A项意为“关于”;B项 意为“因为,由于”;C项意为“在……方 面,就……而言”;D项意为“不顾,不 管”。

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7.________the weather,the sports meet will be held on time. A.Instead of B.In relation to C.Regardless of D.In favor of 解析:选C。考查短语辨析。句意:不 管(regardless of)天气怎样,运动会将按时 举行。其他各项instead of(代替,而不 是……);in relation to(与……相关);in favor of(赞成),均不符合句意。

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7. cut up 切碎,割碎;使伤心/难受 cut into pieces砍成碎片 cut in插嘴 cut down砍倒;缩减 cut...in half/two/into halves将……切成
两半 cut off切断;割掉;截断(退路等) cut out切去,剪去,删去,略去

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①Cut up the carrot before you put them into the pot. 把胡萝卜切碎后再放进锅内。 ②The baby cannot eat the whole cake.You have to cut it up. 婴儿吃不了整块蛋糕,你得把它切成小 块。 ③He was really cut up when all his friends refused to help him. 当所有的朋友都拒绝帮助他时,他极为 难过。

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④You smoke too much—you should try to cut down. 你抽烟太凶了,该少抽点。 ⑤They are going to cut the electricity off if you don’t pay the bill.如果你不交电 费,他们就要断电了。 ⑥She kept cutting in on our conversation. 我们交谈中她不断插嘴。

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8.As the fierce war broke out in the Gaza Strip,people there felt as if they were________from the outside of the world. A.cut out B.cut off C.cut up D.cut through 解析:选B。考查动词词组辨析。句 意:随着加沙地带战争的爆发,当地人感觉 似乎与外面的世界失去了联系。cut off表示 “切断”;cut out表示“切掉,裁剪”; cut up表示“切碎”;cut through表示“开 辟(出路或通道)”。

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8. date back to 追溯到;上溯到 date back to=date from 因追溯是从现在算起指向过去,所以这 个短语常用一般现在时,也没有被动语态。 ①This custom dates back to the 16th century. 这风俗起源于16世纪。

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②This town dates back to Roman times. 这个城镇可追溯到罗马时代。 ③The unearthed sword dates back to the Han Dynasty. 这把出土的宝剑属于汉代。

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9.The traditional friendship between our two peoples ________ancient times. A.is dated back to B.dates at C.dates back to D.is dated from 解析:选C。date back to“追溯至”, 常用于一般现在时。

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句型考点
面对面

【教材原句】 If only it could be just like last year! 要是能跟去年那样有多好呀! 【句法分析】 “if only+句子”是一 个固定句型,表示一种愿望“要是……就好 了/但愿……!” (1)if only...could/would+do...表示对将 来事情的愿望(不用should)

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(2)if only...did...表示对与目前或现在事 实相反的愿望。 (3)if only...had done...表示对与过去事 实相反的愿望。 ①If only Marx were here by my side! 要是马克思能在我身边就好了! ②If only you had worked with greater care! 你工作要是再仔细一些该多好啊! ③If only the whole family could be united during the Spring Festival!今年春 节全家能团圆就好了!

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比较网站

if only,only if (1)if only用来表达愿望,意为“但 愿……,要是……就好了”,句中谓语动词 要用虚拟语气(与现在事实相反用一般过去 时,与过去事实相反用过去完成时)。 ①If only we could afford to buy a place of our own. 我们要是能买得起自己的住所就好了。 ②If only you knew how hard I’ve tried to please you.

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真希望你能了解我费了多大的劲来逗你 开心。 (2)only if由副词only和从属连词if组合 而成,only仅起强调作用,意为“只要”。 ①Only if you promise not to invite Mary,will I come. 只要你答应不请玛丽,我就来。 ②Only if you do as I told you can you succeed. 你只有按照我说的去做,你才能成功。

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10.Look at the trouble I am in!If only I________your advice. A.followed B.would follow C.had followed D.should follow 解析:选C。if only表示“如果……就 好了”,表示与事实相反,条件意味强烈, 其谓语动词常用虚拟语气。此句表示过去的 动作,须选用过去完成时。

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