整好印Unit4 Topic3课堂作业

Unit4 Topic3 Section A 课堂作业课堂作业 一 词汇 1 wonder 形容词 2 excite 形容词 和 3 science 名词 科学家 形容词 二 精读课文 1a 完成下面的分析与练习 1 这周六晚上 2 太空生活 3 在火星上生活 4 在太空生活 5 乘飞船旅行 6 在地球 7 将能够 8 多么有趣 9 There be 句型的一般将来时 或 课文第一句可改为 10 We will be able to do anything that can be done on earth 思考 思考 that can be done on earth 是 从句 修饰先行词 点拨 点拨 can be done 能够 可以被做 带有情态动词的被动语态 含有情态动词的被含有情态动词的被 动语态结构为 动语态结构为 练习 练习 a 这些树明天必须被栽种 These trees tomorrow b 李明可能被选为我们班的班长 Li Ming as the of our class c 下课后应该擦黑板 The blackboard after class be able to 与 can 的区别 be able to 有各种 和 的变 化 而 can 只有一般现在时和一般过去时的变化 并且它们不能 三 精读课文 2a 完成下面的分析与练习 1 我恐怕不信 它是 的否定句 类似句子有 我希望如此 我希望不是这样 但注意 我认 为是这样 我认为不是这样 2 以便了解人类文化 in order to 意思是 表示 后接 既可放在 又可放在 它的否定形式是 如果后面接 目的状语从句目的状语从句则要用 或 练习练习 过去为了赚钱他们什么都肯做 They did anything in the past 为了通过考试 他每天学习十多个小时 fail the exam he studied every day 为了能赶上早班车今天早上他起床很早 He early he the early bus this morning 为了提高口语他去年去了英国 He went to England last year her English 3 But I don t think aliens can be found in space 但是我认为在太空中找不到外星人 当 think believe suppose imagine expect 等动词后接的宾语从句含有 not 等否定词且 主语为第一人称时 该否定要前移 即否定主句的谓语动词 如 I think 的否定形式 为 I believe 的否定形式为 但当主句的 主语是第二三人称时 否定式一般 注意 改写反意疑问句时 当主句的主语为 人称时 反意疑问句的主 谓要与 保持一致 如 I don t think it will rain tomorrow 如 果主句的主语是 人称时 反意疑问句的主 谓要与 一致 He thinks he can make it 4 亲眼所见 5 I won t believe there are aliens until I see them with my own eyes 除非亲眼所见我才 相信有外星人存在 not until 意思是 主句用 从句用 主句 中的动词通常是 但当主句的动词为 wait watch think 等 动词时 不与 连用 练习 练习 1 昨天晚上直到完成作业我才睡觉 I go to bed I my homework last night 2 明天我会一直等到你回来 I you you back tomorrow 6 Scientific research should be done carefully 科学研究应仔细地进行 意为 研究 调查 可做名词 也可做动词 做大量的研究 调查 四 把下列句子改为被动语态 1 He can work out the problem easily The problem by him easily 2 We must plant more trees to protect the environment More trees protect the environment by us 3 We should change clothes often to keep healthy Clothes often to keep healthy 4 Scientists may clone humans some day Humans by scientists some day 5 People must not throw rubbish into the river Rubbish the river by people 五 巩固练习题 1 More man made satellites into space A must sent up B can sent up C must be sent up D may be send up 2 an elephant show in the zoo this Sunday Would you like to go with me I d love to A There is going to have B There will be C There is going to hold D There will have 3 the spaceship people fly to the moon A No couldn t B Haven t can t C Without won t able to D Without won t be able to 4 How hard those astronauts work Yes finish the flight task they must keep on every day A In order to exercising B So that exercising C In order that exercises D Because of exercising 5 I didn t have a clear understanding of the science book I did an experiment for myself A since B until C unless D after 6 I don t think it will rain tomorrow A do I B don t I C will it D won t it 7 I go to Beijing with my parents in two weeks A can B am able to C will can D will be able to 8 On Christmas Day the children wake up early and can t wait their presents in the boxes A opening B for opening C to open D open 六 自我检测 请完成句子 看谁说得准 1 应该认真地进行科学研究 Scientific research carefully 2 必定会发射更多的人造卫星进入太空 More man made satellites into space 3 我认为外星人不会在太空中被发现 I don t think aliens in space 4 雪必须在两点前清扫掉 The snow before 2 00 5 那个工作两天做不完 The work in two days 6 这个表该修了 The watch Unit4 Topic3 Section B 课堂作业课堂作业 一 短语 羡慕某人做某事 1 通过收音机 参加太空飞行 2 发现新的事情 3 掌握一些基本电脑技术 4 在舞台上表演芭蕾 5 喜欢科学胜过舞蹈 6 将被揭秘 发现 7 使我们的梦想实现 8 以 为根据 常用于被动语态中 形容词 基础的 二 精读课文 1a 完成下面的分析与练习 1 take part in 指参加 join 指参加 2 discover invent find find out 的区别 discover 意思是 指 invent 意思是 指 find 意思是 指 find out 意思是 指 3 The astronauts can discover something new about Mars 改为被动语态 4 翻译 我长大后想当宇航员 5 翻译 你将来想干什么 6 You should master some basic computer skills 改为被动语态 7 Maria can perform ballet on the stage in the future 改为被动语态 8 prefer to 的用法 prefer to do sth 更喜欢做某事 一时性的 prefer doing sth 更喜欢做某事 长久性的 意为 与 相比 更喜欢 如 I prefer English to math 意为 与做什么相比 更喜欢做什么 如 与跳舞相比 汤姆更喜欢唱歌 宁可做某事也不愿做某事 例如 他的爸爸宁愿看报也不愿看电视 练习 练习 a 和重庆比起来我更喜欢厦门 I Xiamen Chongqing b 和游泳比起来我更喜欢滑冰 I prefer c 他更喜欢和我一起去打篮球 He basketball with me d 他们更喜欢雨天在家喝茶 They at home 9 More and more things will be discovered by people in the future 改为主动语态 10 Let s work hard to make our dreams come true 同义句转换 Why not work hard to our dreams 11 Sam s watch doesn t work 同义句 同义句 12 The trees are dying 译 译 思考思考 dying 的原形 过去式 形容词 名词 三 巩固练习题 1 Do you think a radio is useful in learning English Sure A radio can listening English songs and reports A be used byB be used asC be used forD be used to 2 How beautiful our hometown is Yes trees and flowers everywhere A can be seen B can see C be seen D can t see 3 We put a strong stick near a young tree make it straight A so that B in order that C in order to D so that 4 Half a month since I came to Beijing I miss my students very much A have passed B have past C has passed D has past 5 It is said that an old man lives on the island A alone alone B alone lonelyC lonely lonely D lonely alone 6 Harry Potter and Sorcerer s Stone is quite a good book It s worth A read B reads C to read D reading 7 There a man made planet in space in the future A will beB is going to haveC has been D is Unit4 Topic3 Section C 课堂作业课堂作业 一 根据 1a 完成下列空格 1 以 名字命名 2 相隔 3 区分 辨别 与介词 连用 4 看起来像 5 覆盖火星的整个表面 6 搜寻更多信息 7 和 的 2 5 一样重 8 彼此距离最近 9 Its diameter is 53 as wide as that of the earth 点拨 点拨 as 形容词 副词原级 as 名词 像 一样 思考 思考 句中 that 指代 如果前面的名词是复数 用 指代 练习 练习 a 我们学校像花园一样美 Our school is a park b Tom 和 Mike 跑得一样快 Tom Mike c 美国的人口没有中国多 The population in America in China d 城市的楼比农村的高 The buildings in the city than in the country 10 Mars goes around the sun at a distance of about 228 million kilometers 点拨点拨 at a distance of 相隔 拓展 拓展 at from a distance 在远处 对比分析下列短语 two fifths as strong as 相当于 像 是 的五分之二强度 53 as wide as 相当于 像 是 的 53 宽 half as big as 相当于 像 是 一半那样大 twice as long as 相当于 像 是 两倍那样长 five times as fast as 相当于 像 是 的五倍快 点拨 点拨 倍数词 分数 百分数 as 形容词或副词原级 as 是 的几倍 几分之几 百分之几 练习 练习 a 这个盒子是那个盒子的四倍重 This box is that box b 这个房间是那个房间的三分之一大 This room is that room 11 So a person who weighs 90 kilos on earth weighs only 36 kilos on Mars 点拨 点拨 a person who weighs 90 kilos on earth 一个重达 90 公斤的人 思考 思考 句中第一个 weighs 是 句的 第二个 weighs 是 句的 12 It takes a spaceship about eight months to reach Mars from the earth when the two planets are closest to each other 点拨 点拨 be closest to 离 最近 拓展 拓展 离 近 离 远 13 Scientists are still searching for more information about Mars 点拨 点拨 search 搜寻 搜索 搜查 动词 拓展 拓展 search sb sth 搜某人的身 搜某物 search for sb sth 搜寻某人 某物 练习练习 a 警方在寻找失踪的孩子 The are the child b 消防员在建筑物中搜寻幸存者 Firefighters were the building survivors 14 做某事花费某人多长时间做某事花费某人多长时间 15 It takes a spaceship about eight months to reach Mars from the earth 划线部分提问 二 根据 2 完成下列题 1 It has been two days since we landed on Mars 同义句同义句 It two days we landed on Mars 练习 练习 a 自我们上次上街购物已经是两个月了 It two months we shopping b 他父亲死了十年了 It ten years his father 同义句同义句 a His father ten years b His father for ten years 2 Generally the journey went well but the living conditions were quite bad during the journey 点拨 点拨 go well 进展顺利 练习 练习 一切进展顺利 译 译 3 We had to limit the use of water during those days 限制水的使用限制水的使用 用水用水 点拨 点拨 limit 限制 动词 the use of 的使用 注意 注意 use 在此是名词 链接 链接 use useful useless reuse user 4 What s worse our water supplies were very low 点拨 点拨 supply 供给 名词 复数形式 链接 链接 supply 供应 动词 给某人供应某 物 Low 在此为形容词 不足的 短缺的 不足 5 I often miss the family but the excitement of being on Mars is worth it 点拨 点拨 be worth sth 值 链接 链接 be worth doing sth 某事值得做 练习 练习 a 这辆汽车值一万美元 The car 10 000 b 这事值得我们付出劳动 It our work c 这本书值得一读 The book 6 辨析 search 搜查 search for 搜索 They searched him 他们搜查他 搜身 They searched the village for him 他们在村庄里寻找他 搜索 三 巩固练习题 1 My best friend was late for class this morning she left her bag at home A What s more B What s worse C However D Even though 2 Your apple is about mine A second threes as big B two threes as big as C two thirds as big as D second thirds as big as 3 The digital camera is nine hundred yuan A pay B cost C worth D spend 4 The fiction film is so interesting for us that it s worth A see B to see C seeing D sees 5 It 6 days since I came to Beijing I m leaving tomorrow A was B is C has been D B and C 6 She really likes dancing It her 2 hours to practice dancing in the gym every day A takes B spends C costs D uses 7 It s three years we got here A since B before C after D at least 8 My son is too fat so I have to his food and drink A save B limit C encourage D affect 9 Harry Potter and Sorcerer s Stone is quite a good book It s worth A readB readsC to readD reading 10 the help of the Internet news can every country of the world A Under arriveB With reachC In goD With get Unit4 Topic3 Section D 课堂作业课堂作业 一 自学 1a 英汉互译 1 数百万年 2 环绕太阳 3 被称为 4 这么多的星星 5 给我们发信息 2 6 Scientists think that there has been life on earth for mi llions of years 科学家认为地 球上的生物已经存在数百万年了 思考 思考 There has been 是 There be 结构的 时态 拓展 拓展 There be 结构的过去时态是 There be 结构的将来时态是 或 There be 结构的完成时态是 7 And there are seven other planets that also go around the sun 思考 思考 that also go around the sun 在此是 从句 修饰先行词 8 We haven t found life on other planets yet 我们还没有在其它行星上发现生命 yet 副词 意思是 通常与 或 时态连用 常 用在 和 句中 如 Is supper ready yet 晚饭准备好了吗 He has not begun to work yet 他还未开始工作 意思类似的词有 already 和 still already 主要用在 句中 常用于 时态 也可用于一般现在时 如 I have already seen the film 我已经看过这部电影了 She s already here 她已经到这 儿了 still 可用在任何句式中 表示 某中尚在进行中 如 Does he still work in that factory 他还在那家工厂上班吗 9 Some spaceships have gone beyond the solar system 点拨点拨 beyond 在 之外 超出 范围 介词 练习 练习 a There is a temple beyond the mountain 译 b What happened was beyond my control 译 10 With so many stars in space are we alone or is there life on other planets in space 比较 比较 alone 独自地 副词 alone 独自的 指无人陪伴的客观事实 lonely 孤独的 寂寞的 指主观的感觉 lonely 偏僻的 练习 练习 a 她独居 但并不感到寂寞 She lives but she doesn t feel b 去年他独自去了一个偏僻的小村庄 He went to a village last year 11 Write the correct answers on a separate piece of paper 点拨点拨 separate 单独的 分开的 形容词 separate 使分开 使分离 动词 separate from 将 分离 12 Exchange your questions with yo