1、【 精品教育资源文库 】 Unit 4 Astronomy the science of the stars 话题素材 天文科普 话题词汇 1 invention n. 发明 2 explore v. 探险;考察 3 spacewalk n. 太空行走 4 phenomenon n. 现象 5 advanced adj. 高级的;先进的;领先的 6 a space travel 太空之旅 7 come into existence 开始产生 ; 成立 8 manned spaceship 载人宇宙飞船 9 launch_a_satellite 发射卫星 10 solar activity 太
2、阳活动 11 be_proud_of 对 ? 感到自豪 12 change ones life 改变某人的生活 13 come true 实现 14 in the field of science 在科学领域 15 improve the quality of life for humans 为人类提高生活质量 经典佳句 1 It_is_science_and_technology_that makes our life more colorful. 是科学技术使我们的生活更加丰富多彩。 2 It_goes_without_saying_that modern technology bring
3、s us convenience and comfort in life. 毫无疑问,现代科技给我们的生活带来方便和舒适。 3 The development of science and technology makes_it_possible_ for_China_to_realize the dream of going into outer space. 科学技术的发展使得中国实现进入外太空的梦想成为可能。 精美语篇 Do we need space exploration? Man has been fascinated by outer space for thousands of
4、 years. It has been over forty years since mans first landing on the moon. Now, some people believe that space exploration is a waste of time and money. They point out the fact that it cost billions of dollars to carry on the space research, but little information was brought back. However, every co
5、in has two sides. There are still a majority of other people 【 精品教育资源文库 】 who believe that space exploration has more advantages. And I agree with those people. Many new products, such as weather and communication satellites, are also products of space programs, and they have benefited people all o
6、ver the world. And whats more, scientific knowledge about outer space has been acquired by mankind. We believe that it will bring more benefits in the future, which we cannot even imagine now. Space exploration is a challenge to human beings. Thats why several nations try hard to carry out space exp
7、loration continuously. 高频单词 1 system (n.) 系统;体系;制度 2 theory (n.) 学说;理论 theoretical (adj.) 理论上的 3 globe (n.) 球体;地球仪;地球 global (adj.) 全球性的;全世界的 4 violent (adj.) 猛烈的;激烈的;强暴的 violence (n.) 暴力 violently (adv.) 猛烈地 5 atmosphere (n.) 大气层;气氛 6 unlike (prep.) 与 ? 不同;不像 like (反义词 ) (prep. that/which 2 _ is ev
8、en more important is that _ the earth cooled down, water began to appear on its surface. 答案: What; as 3 It was not immediately obvious _ water was to be fundamental _ the development of life. 答案: that; to 4 _ many scientists believe is that the continued presence of water allowed the earth to dissol
9、ve _ (harm) gases and acids into the oceans and seas. 答案: What; harmful 【 精品教育资源文库 】 5 They produced young generally _ laying eggs. 答案: by 6 _ a result of this, many scientists believe the earth may become too hot _ (live) on. 答案: As; to live 7 _ life will continue on the earth for millions of year
10、s to come will depend on whether this problem can be solved. 答案: Whether 8 Last month I was lucky enough _ (have) a chance _ (make) a trip into space with my friend. 答案: to have; to make 9 I might even grow _ (tall) if I stay here long enough. 答案: taller 10 Leaving the moons gravity _ (be) not as pa
11、inful as leaving the earths. 答案: was/is 1 exist vi.存在;生存 教材原句 They laid eggs too and existed on the earth for more than 140 million years.(P26) 它们也下蛋并在地球上生存了一亿四千多万年。 (1)exist on 靠 ? 生存 /生活 exist in 存在于 ? 之中 There exist(s) . 某地有 ? ;存在 ? (2)come into existence 产生;成立;开始存在 in existence 现存;存在 (3)existing
12、 adj.现存的;目前的 exist 是不及物动词,没有被动语态,也不用于进行时。 【 精品教育资源文库 】 They cant exist_on the money hes earning. 他们靠他挣的那点钱无法维持生活。 Calcium exists_in milk in great amount. 牛奶中钙的含量很大。 There_exists a generation gap between the young and the old. 青年人和老年人之间存在着代沟。 Pakistan came_into_existence as an independent country af
13、ter the war. 巴基斯坦在战后就以一个独立国家存在了。 2 puzzle n谜;难题 vt.& vi.(使 )迷惑; (使 )为难 教材原句 How life began on earth is one of the biggest puzzles that scientists found hard to solve.(P27) 地球上的生命是怎样开始的,这是科学家们发现难以解决的最大的谜团之一。 (1)be in a puzzle 感到困惑;不知如何是好 a puzzle to sb. 一件让人感到困惑的事情 puzzle sb. 迷惑某人;使某人困惑 puzzle sth. o
14、ut 琢磨出 ? 的答案 puzzle about/over 冥思苦想;苦苦思索 (2)puzzling adj. 令人迷惑的 puzzled adj. 感到迷 惑的 be puzzled about 对 ? 迷惑不解 puzzled 意为 “ 迷惑的;不解的 ” ,往往用于指人或人的表情、脸色、声音等; puzzling意为 “ 令人迷惑的;让人不解的 ” ,往往指物。 I am_in_a_puzzle as to what to do next. 对于下一步该做什么我不知道。 Where the missing plane has gone still remains a_puzzle_t
15、o us. 失联飞机去了哪儿对我们来说仍是个谜。 What puzzled_the_doctors most was that they could not find the cause of the 【 精品教育资源文库 】 disease. 使医生最困惑的是他们找不到致病的原因。 He was trying to puzzle_out why he had been brought to the house. 他想弄明白自己为何被带到这所房子。 The puzzled look on her face suggested she was puzzling_ over/about the
16、puzzling maths problem. 她脸上困惑的表情表明她正在思考令人困惑的数学问题。 3 pull n & vt.拉 (力 );拖;牵引力 教材原句 As the rocket rose into the air, we were pushed back into our seats because we were trying to escape the pull of the earths gravity.(P30) 随着火箭的升空,由于我们在努力挣脱地球的引力,我们被向后推在座位上。 pull away (车辆等 )驶离;开走 pull in (车辆等 )进站;停靠 pul
17、l down 拆除;使受挫;使虚弱 pull off (匆忙地 )脱下 (衣物 ); (成功地 )完成;驶离 pull on (匆忙地 )穿上 pull out 拔出;驶出;摆脱 (困难 ) pull through 恢复健康;渡过难关 pull up 停车 pull together (使 )齐心协力 The train pulled_in and all the passengers got off. 火车进站了,所有的乘客 都下了车。 They are_pulling_down some houses to make room for a new hotel. 他们正在拆除一些房子,目的
18、是为了给新建旅馆腾出地方。 Everyone was very concerned about whether he would pull_through or not. 每个人都很关心他是否能痊愈。 So long as we pull_together theres no mountain top we cant conquer. 只要我们齐心协力,就没有攀登不上的高峰。 . 单句语法填空 1 What makes me _ (puzzle) is why he left the country without telling anyone. 【 精品教育资源文库 】 答案: puzzl
19、ed 此处用形容词作宾补,表示 “ 感到迷惑的;困惑的 ” ,故填 puzzled。 2 Formaldehyde (甲醛 ) is used in the building materials, which is as _ (harm) a chemical to our health as melamine. 答案: harmful 根据 “as adj. a(n) n.” 结构及句意可知,空处应填形容词harmful “ 有害的 ” 。 3 _ existed a certain doubt among the workers as to the necessity of the wor
20、k. 答案: There 根据 “There exist 名词 .” 结构可确定答案。 4 _ (like) what you supposed, only few people attended his birthday party, which was disappointing. 答案: Unlike 结合句意可知,此处表述并不像 (unlike)你所猜测的那样,仅仅 ? ,故填 Unlike。 5 He found something _ (float) on the lake, which frightened him. 答案: floating 此处为 “find 宾语宾补 ” 结构。结合句意可知, something 和float 之间为主动关系, 且表示 “ 正漂浮着 ” ,故填 floating。 6 When we were in the middle of the lake, a strong wind came all of a sudden. The boat was hit _ (violence) 答案: violently 此处应用副词 violently 修饰动词 hit。 .单句改错 1 Jack turned around in time to see Bobs car pull up and head down the road. _