选修八Unit5语言点

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3．regardless of不顾,不管 So we think it is reasonable to assume they lived in these regardless of the cold caves,______________________. 因此我们有理由认为他们不顾严寒,就住在这些洞穴里。
police.除了向警察举报他,我别无选择。
③We recommend using alternative sources of fuel such as charcoal.我们建议使用替代燃料,比如木炭。
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2. assume much work.
归纳拓展
v．假定;设想;假装;承担 普遍认为,紧张是工作过重所致。
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[典型句式] 1．if only...要是„„就好 If only ①__________ it could be just like last year! 要是能跟去年那样该有多好啊！ had looked ahead ②If only she ____________________and planned better this
Unit 5
Meeting your ancestors—— 会晤祖先
本节目录
基 础 盘 点 自 测 自 评
考 点 串 讲 讲 练 互 动
基础盘点自测自评
[核心单词]
alternative n．可能的选择adj.供选择的;其他的 1．____________ interrupt vt.&vi.打断„„讲话;打岔;暂时中断或中止 2．__________
C．has slept
D．had slept
解析：选 A 。考查动词时态。句意：现在仅仅才 6 点 , 但是 小汤姆应该起来了,他已经睡了9个小时了。
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5．—Sir,I’m here.
—Please listen.I________asking your parents to come to our
归纳拓展
(1)an alternative to „„的替代品 have no alternative but to do sth.别无选择只好做„„
(2)alternative energy 替代能源;新能源
alternative fuel 代用燃料;可替代燃料 alternative method 替代的方法
area are closing down.
—That’s because tourism itself________since last year. A．is declining C．had declined B．declined D．has been declining
解析：选 D 。考查时态。根据 “since last year” 的提示可知 , decline 应使用现在完成时或现在完成进行时 , 再结合选项可 知本题选D。
(牛津P104)It is generally assumed that stress is caused by too
assume sb./sth.to be 假定 /假设某人 /某事为 (1) It is assumed that... „„被认为
assumption n. 假定；假设 (2)make an assumption 认为，假定 on the assumption that 假定 3 assuming that... 假设 /假定„„
实是重要的。
③Assuming that the proposal is accepted,when are we going to get the money? 假定这个建议被采纳,我们什么时候能拿到钱？ ④A lot of people make the assumption that poverty only exists in the Third World. 许多人认为贫困仅仅存在于第三世界。
听好。我一直在考虑让你父母来学校 ,但我想先听听你的意
见。have been considering是现在完成进行时,表示从过去开 始的一个动作一直持续到现在并且还在进行。
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考点串讲讲练互动
[单词精研] 1.alternative adj.供选择的;其他的 n．可能的选择;选择对象 (牛津P56)You can be paid in cash weekly or by cheque monthly;those are the two alternatives. 你的工资可以按 周以现金支取,或按月以支票支取。二者可选其一。
school,but I’d like to hear your opinion first. A．have considered C．considered B．am going to consider D．have been considering
解析：选D。考查动词时态。句意：——老师,我在。——请
assume vt.假定;设想 3．_________ category 4．___________ n．种类;类别;范畴 somehow 5．____________ adv.以„„方式;不知怎么地 delete 6．_________ vt.删;删除
academy n．学院;学会;学术团体;院校 7．__________ accelerate vi.&vt.加速;促进 8．___________ arrest 9．_________ vt.逮捕;吸引n.逮捕;拘留
dizzy adj.晕眩的;昏乱的;使人发晕或困惑的 10．_______
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starvation n．挨饿;饿死→starve vi.挨饿;饿死 11．____________ accuracy n．精确;准确→accurate adj.准确的;精确的 12．_________
messy adj.凌乱的;脏的→mess n．凌乱,脏 13．________ analysis n．分析→analyses pl.→analyse vt.分析 14．__________ significance n ． 意 义 ; 意 思 ; 重 要 性 , 重 要 意 义 15.____________ →significant adj.重要的 applaud vi.&vt.鼓掌欢迎;赞赏→applause n．鼓掌 16．__________ sharpen 17．__________ vi.& vt.(使)锋利;尖锐;清晰→sharpener n． 磨具;削具 botany 18．__________ n．植物学→botanical adj.植物学的,与植物 学有关的
year！要是她早有预见,今年计划得更好些就好了。
2．only to do...不定式作结果状语 to be scooped up Abruptly she sat down, only _______________________by her laughing, shouting sister, Luna. 她突然坐了下来,结果被爱吵闹的妹妹露娜一把抱了起来。
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。 5．had done...when...“(刚)做完了„„就在那时„„” had reached her destination when She ______almost ___________________________a delicious smell arrested her progress and she stopped. 快到达目的地的时候,一阵香气扑鼻,不往前走了,她停了下来.
A．is studying
C．studieswenku.baidu.com
B．will study
D．has been studying
解析：选 D。考查动词时态。第一个分句告诉我们学习这 一动作正在进行,后一个分句时间状语for a year告诉我们 应该用现在完成进行时。
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3．(2012· 北京西城区高三期末考试)—Several hotels in this
解析：选C。考查动词时态。句意：——Jack！你什么时候
到的柏林？——上个周末。从那时起 ,我就一直在体验不同 的文化。
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2．(2012· 莱芜期末考试)Zhang Ning is taking notes of the grammatical rules in class, and she ________ English for a year.
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[高频短语]
regardless of 1．______________
不管;不顾
at most 至多;最多 2．_________ cut up 3．__________ 切碎
fed up with 受够了;饱受;厌烦 4．____________ look ahead 向前看;为将来打算 5．___________ date back(to...) 6．__________________ 追溯到„„;始于 concentrate on 7．_________________ 集中 search for 8．_____________ 寻找 take turns to do sth. 9．_____________________ 轮流做某事 can’t/couldn’t help doing 10．________________________ 禁不住做某事
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①(牛津P104)It is reasonable to assume that the economy will
continue to improve. 认为经济继续好转是有道理的。
②(2011· 高考湖北卷· 阅 读 理 解 A)But when it comes to
medicine,I had assumed it was important to always be honest with my patients.但是,当涉及到医学时,我曾经以为,对病人诚
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4．(2013· 长沙市南雅中学模拟) It’s only six o’clock now; little Tom should be up,though, because he ________ for nine hours. A．has been sleeping B．had been sleeping
4．as引导非限制性定语从句,意为“正如” have shown us as Yes,indeed,_____ the botanical analyses________________,all
the fields around here used to be part of a large shallow lake.
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[单元语法]
现在完成进行时态
1 ． (2013· 河北省普通高考模拟 )—Hi,Jack ！ When did you arrive in Berlin?
—Last weekend.I ________a different culture since then.
A．was experiencing B．will be experiencing C．have been experiencing D．had been experiencing
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①The manager 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。 ②I had no alternative/choice but to report him to the
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3. interrupt
中止
vt.& vi.打断……讲话;打岔;暂时中断或
(2012· 高考浙江卷· 阅 读 理 解 C)One person should
describe his or her side, and the other person should