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1、Unit 5Meeting your ancestors写得准用得活积得多1.alternative n可能的选择adj. 供选择的；其他的2.interrupt vt.& vi. 打断讲话；打岔；暂时中断或中止3.somehow adv. 以方式；不知怎么地4.arrest vt. 逮捕；吸引n. 逮捕；拘留5.assume vt.假定；设想assuming prep.假设assumption n设想；假定；担任6.accelerate vi.&vt.加速；促进acceleration n加速度7.sharpen vi.&vt.(使)锋利；尖锐；清晰sharp adj.锋利的；尖锐的shar
2、pener n磨具；削具8.messy adj.凌乱的；脏的mess n凌乱；脏9.applaud vi.&vt.鼓掌欢迎；赞赏_applause n鼓掌10.skilful adj.有技巧的；熟练的skill n技能；技巧11.starvation n挨饿；饿死starve vi.挨饿；饿死12.analysis n分析analyses pl.analyse vt.分析13.significance n意义；意思；重要性；重要意义significant adj.重要的14.division n分割；划分；分配；分界线divide v分割；划分；分配15.accuracy n精确；准确accu
3、rate adj.准确的；精确的accurately adv.准确地；精确地16.identify vt.确认；识别；鉴别identification n辨认；鉴定用所给词的适当形式填空1.I have been so busy that I have no time to clear up the place which is so messy (mess)2.For a very long time, people always have been trying to find out the significance (significant) of life.3.The river f
4、orms the division (divide) between the old and new parts of the city.4.The old man was starved to death. People felt pity for his starvation. (starve)5.The boy needs a pencil sharpener to sharpen his pencil, because the sharpener he has isnt sharp.(sharpen) 6.While working out the problem, you shoul
5、d pay more attention to the accuracy. You must measure the length accurately in order to get the accurate number.(accurate)7.It was first assumed that he was the murderer, but later it turned out to be a false assumption.(assume)1.somehow相关单词一览somehow adv. 以方式；不知怎么地；不知为什么anyhow adv. 无论如何anyway adv.
6、无论如何；不管怎样somewhat adv. 有点儿；有几分；颇为2.分词用作介词或连词小结assuming 假设；假定considering 鉴于；考虑到including 包含；包括supposing 假设；假如provided/providing 假设；如果concerning 关于given 鉴于；考虑到3.en构成的动词集锦sharpsharpen磨快；使敏捷riperipen 变成熟shortshorten 变短；缩短widewiden (使)变宽deepdeepen 使变深strongstrengthen 加强frightfrighten (使)惊吓darkdarken 使变暗h
7、ardharden 使变硬looseloosen (使)变松写得准用得活积得多1.regardless_of不管；不顾2.at_most 至多；最多3.cut_up 切碎；伤心4.fed_up_with 受够了；饱受；厌烦5.look_ahead 向前看；为将来打算6.date_from/back_to 追溯到7.keep_out 关在门外；不准入内8.be_aware_of 知道9.scare_away 把吓跑10.applaud_ones_choice 为某人的抉择喝彩选用左栏短语填空1.A new engine would cost, at_most,_two thousand doll
8、ars.2.If only I had_looked_ahead a few days ago! Then I wouldnt have been feeling so worried now.3.Regardless_of what it costs, we must take every measure to save the old mans life. 4.Tony, why are your eyes red？I have been cutting_up peppers for the last five minutes.5.Having been fed_up_with sands
9、torm every spring for four years, I am totally disappointed by the life here and determined to flee the city.1.at most相关短语荟萃at most至多at least 至少not in the least 一点也不least of all 最不；尤其不last but not least 最后但同等重要的是2.无被动语态的动词短语聚焦date from/back to追溯到belong to 属于consist of 由组成come true 变成现实take place 发生b
10、reak out 爆发背原句记句式会仿用1.Yes, indeed, as the botanical analyses have shown us, all the fields around here used to be part of a large shallow lake.很对。正如植物学的分析结果已经告诉我们的，这儿四周曾经是一个很大的浅水湖。句中as引导非限制性定语从句，as指代整个主句的内容，意为“正如”。正如古训所说“人不可貌相，海水不可斗量”。(2013新课标全国卷单选) “You cant judge a book by its cover，” as_the_old_s
11、aying_goes.2.If only she had looked ahead and planned better this year！她今年要是早有预见，计划得更好些就好了！此句用了虚拟语气。if only .意为“要是就好了”。今年春节全家能团圆就好了！If_only the whole family could_be_united during the Spring Festival this year！3.Abruptly she sat down, only to be scooped up by her laughing, shouting sister, Luna.她突然坐
12、了下来，结果被爱吵闹的妹妹露娜一把抱了起来。only to do sth.“不料；结果”，动词不定式作结果状语，表示意料不到的情况。他们上气不接下气地赶到公司，不料却被告知他们被开除了。They reached the company out of breath only_to_be_told they were fired.1alternative adj.供选择的；其他的n.可能的选择；选择对象经典例句You can be paid in cash weekly or by cheque monthly; those are the two alternatives.(牛津P56)你的工资
13、可以按周以现金支取，或按月以支票支取。二者可选其一。(1)have no alternative but to do sth. 别无选择只好做某事theres no alternative . 别无选择an alternative to . 的替代品(2)alternatively adv. 可供选择地In order to succeed, we have no alternative but to_face (face) failure bravely and learn from it.(2014福建高考书面表达)为了成功，我们不得不勇敢地直面失败并从中吸取教训。The manager
14、said that they had_an_alternative_plan if the plan they had submitted was not accepted.经理说如果他们递交的计划不被接受，他们还有另外一个计划。联想发散完成下列“别无选择只好做某事”的其他表达形式。have no choice but to_do_sth.cant do sth. but do_sth.can do nothing but do_sth.2interrupt vt.& vi.打断讲话；打岔；暂时中断或中止教材原句Im sorry to interrupt you but how could they live here?对不起，打断了你的讲话，但他们怎么会住在这儿呢？(1)interrupt sb./sth.(with sth.) (因某事)打断某人/某事(2)interruption n. 打扰；插嘴；打岔；阻断物without interruption 连续地；不断地You shouldnt have_interrupted (interrupt) the meeting to tell me that; you cou
