【顶尖学案】2012届高考英语 Unit 4 Astronomy 新人教版必修3

用心 爱心 专心1 20122012 届高考英语顶尖学案 新课标人教版届高考英语顶尖学案 新课标人教版 UnitUnit 4 4 AstronomyAstronomy thethe sciencescience ofof thethe starsstars 天文学 恒星科学天文学 恒星科学 核心词汇核心词汇 1 Do you think our education 制度 needs improving 2 The 气候 of southern Florida attracts thousands of tourists each winter 3 Without practice there would be no 理论 4 The hen was old and it stopped 下蛋 eggs 5 The idea 存在 only in the minds of us young people 6 Professor Li has solved the 难题 and everyone is cheering 7 Mars 万有引力 is only about 38 of Earth s 8 Raising your child to tell the difference between right and wrong is one of the f tasks of parenthood 9 用 harm 的适当形式填空 1 Air pollution will get worse and this will be to people for example it can cause cancer 2 Rubbish can be changed into things 3 Don t your eyes by reading in the dim light 10 Last night we had a discussion which became more and more Finally we reached an agreement that we will never use whatever happens violent 1 system 2 climate 3 theory 4 laying 5 exists 6 puzzle 7 gravity 8 fundamental 9 1 harmful 2 harmless 3 harm 10 violent violence 高频短语高频短语 1 及时 终于 2 下蛋 3 产生 分娩 4 轮到某人 接着 5 阻止 制止 6 挡住 光线 7 感到高兴 感到振奋 8 既然 9 突发 爆发 10 密切注视 当心 提防 1 in time 2 lay eggs 3 give birth to 4 in one s turn 5 prevent from 6 block out 7 cheer up 8 now that 9 break out 10 watch out 重点句式重点句式 1 was uncertain until between 4 5 and 3 8 billion years ago when the dust settled into a solid globe 随后它会变成什么没有人知道 直到 38 45 亿年前 这团尘埃才慢慢地形成一个固体的球 状物 2 The earth became it was not clear whether the shape would last 用心 爱心 专心2 or not 地球变得如此猛烈 以至于它的形状能否持久还不清楚 3 This produced a chain reaction which 这就产生了一系列的反应 使得生命有可能发展了 4 We watched on the outside of the spaceship as the earth s gravity increased 我们惊奇地看着 随着地球引力的增加 宇宙飞船的外层燃烧起火 5 But when I tried to step forward I found I was carried on the earth and fell over 而当我试着向前迈步时 我发觉我被送出很远 步子的跨度竟是在地球上的两倍 因而我 摔倒了 6 walking does need a bit of practice gravity has changed 既然重力改变了 走路也确实需要练一练了 1 What it was to become 2 so violent that 3 made it possible for life to develop 4 amazed as fire broke out 5 twice as far as 6 now that 知识详解知识详解 1 exist vi 存在 生存 回归课本 P26 They laid eggs too and existed on the earth for more than 140 million years 它们也生蛋 在地球上生存了一亿四千多万年 归纳拓展 牛津 P697 They can t exist on the money he s earning 他们靠他挣的那点钱无法维持生活 There exists a good way to solve the existing problem in geography 有一个解决 现存地理问题的好办法 No one knows how this world came into existence 没有人知道这个世界是怎样形成的 例句探源 即境活用 1 完成句子 1 巴基斯坦在战后就以一个独立的国家存在了 Pakistan country after the war 答案 came into existence as an independent 2 就我所知 他们收入微薄 几乎无法维持生活 As far as I know they are paid hardly enough 答案 to exist on 2 puzzle n 谜 难题 vt she needs cheering up 用心 爱心 专心6 给玛丽打个电话 她需要人安慰 The good news cheered up everybody who heard it 喜讯使每一个听到的人感到高兴 The crowd cheered wildly at the sight of Liu Xiang 看到刘翔后 人群热烈欢呼起来 They do this in order to encourage crowds to cheer their sports teams 她们这样做是为了鼓励人们为她们的球队加油 例句探源 10 I m thinking of the test tomorrow I m afraid I can t pass this time I m sure you ll make it A Go ahead B Good luck C No problem D Cheer up 解析 选 D 句意 我正在考虑明天考试的问题 恐怕这次我会不及格 振作起 来 我相信你会通过的 根据上下文只有 Cheer up 振作起来 符合题意 而 Go ahead 继续 Good luck 好运气 No problem 没问题 均不符合题意 句型梳理句型梳理 1 教材原句 walking does need a bit of practice now that gravity has changed P31 既然重力改变了 走路也确实需要练一练了 句法分析 now that 由于 既然 引导原因状语从句 有时 that 可以省略 Now that you have finished your work you d better have a rest 既然你的工作已经做完了 最好休息一下吧 Now that the weather is fine let s go for a ride 既然天气那么好 我们开车去兜风吧 Now you have grown up you can make up your mind by yourself 你已长大了 可以 自己做决定了 易混辨析 because since as for now that 1 because 语气最强 一般指事情发生的直接原因 回答提问时 一般放在主句之后 2 since 语气较弱 指双方都明确的原因或众所周知的原因 侧重主句 从句表示显然的 或已知的理由 3 as 语气比 because 弱 所引导的从句表示的是显而易见的原因和理由 从句一般放在 主句前 4 for 是并列连词 表示推断的原因 或对前一分句补充说明理由 for 表示这一用法时 需放在两句之间 He was absent from the meeting because he was ill yesterday Since you can t answer the question I ll ask someone else As there was no answer we wrote him again It must have rained last night for the ground is wet 即境活用 11 you ve got a chance you might as well make full use of it A Now that B After C Although D As soon as 解析 选 A 句意 既然你得到了一次机会 不妨充分利用它 用心 爱心 专心7 12 Did you return Fred s call I didn t need to I ll see him tomorrow A though B unless C when D because 解析 选 D 根据语意看 后面的句子表示 没有必要的原因 所以用 because 2 教材原句 But when I tried to step forward I found I was carried twice as far as on the earth and fell over P31 而当我试着向前迈步的时候 我发觉我被送出去很远 步子的跨度竟是在地球上的两倍 因而我摔倒了 句法分析 倍数的表达方式 1 A 倍数 形容词或副词的比较级 than B 表示 A 比 B 大 长 高 宽等 多少 倍 2 A 倍数 as 形容词或副词的原级 as B 表示 A 是 B 的多少倍 3 A 倍数 the size height length width etc of B 表示 A 是 B 的多少倍 4 A 倍数 what 从句 There are five times more books in our library than in yours 我们图书馆里的书比你们图书馆里的书多五倍 Our city has experienced twice as much rain this year as it did last year 我们的城市今年的降雨量是去年的两倍 My house is twice the size of my parents 我的房子是我父母的两倍大 The production now is three times what it was ten years ago 现在的产量是 10 年前的 3 倍 即境活用 13 2009 年高考辽宁卷 Peter s jacket looked just the same as Jack s but it cost his A as much twice as B twice as much as C much as twice as D as twice much as 解析 选 B 句意 彼得的夹克衫看起来与杰