* * 话题：科普知识常用词汇：science 科学scientist 科学家technology 技术engineer 工程师astronaut宇航员astronomer 天文学家breakthrough突破project项目capsule太空舱manned spaceship/spacecraft载人飞船space shuttle航天飞机unmanned spaceship/spacecraft无人飞船circling the moon绕月landing on the moon登月return to Earth返回地球weather satellite气象卫星communication satellite通信卫星carry out scientific experiments开展科学实验with all the information available 有所有的可用信息invent a folding wheel 发明可折叠的轮子have access to space travel能到太空旅游apply basic technology to daily life 将基础科技运用到日常生活中范例：Is there life on Mars? We dont know.Can we land on Mars? It all depends on the development of science and technology.Man has known a little about Mars.There is almost no oxygen on Mars.It might be about 50 degrees above zero at noon and 100 degrees below zero at night, which prevents us from living there.Now that Mars are quite different from our earth, if we are to go to Mars one day, we should have to take along our own oxygen, food and clothing.But it is certain that with the development of science man will land on Mars in time.一、 单词识记根据词意写出单词的汉语意思或写英文单词。1不同；不像 prep._2有害的 adj._3连锁；锁链 n_4存在；生存 vi._5因此；于是 adv._6使迷惑；使为难vt.；谜；难题n._7气候n._8生物学家n._9温和的；文雅的adj._10物理学家n._unlikeharmfulchainexistthuspuzzleclimatebiologistgentlephysicist11astronomy n_12atom n_13carbon n_14acid n_15fundamental adj._16multiply v_17oxygen n_18dioxide n_19gravity n_20satellite n_天文学原子碳酸基本的；基础的乘；增加氧二氧化物重力，万有引力卫星；人造卫星二、词汇拓展用括号内所给词的适当形式填空。1If we interfere 干涉 , it may do more _ than good. harmful 2He fell _ in love with her. violent 3She is good at dancing; she is a _ dancer. birth 4Some students were doing a _ experiment in the lab with the help of their teacher. biology 5I was unaware of his _ until now. exist harmviolentlybornbiologicalexistence三、词组互译将下列词组译成中文或英语。1密切注视；当心_2突发；爆发_3既然_4感到高兴/振奋_5阻止；制止_6轮到某人；接替_7产生；分娩_8下蛋_9及时；终于_10挡住 光线 _watch outbreak outnow thatcheer uppreventfromin ones turngive birth tolay eggsin timeblock out11think ofas_12combine into_13cool down_14get the hang of _15be different from_16spread all over the earth _17go by_18make a trip _19be off_20rise into the air_把看作是合成冷却熟悉； 理解；掌握与不同遍布全世界过去， 推移去旅行启程升入太空四、单元重点句子填空根据句子结构或语法要求填空。1We usually think of science subjects _ physics, chemistry, biology, geology and mathematics.2What are the most important skills we need _ be real scientists?3_it was to become was a mystery _the dust began to slowly combine into a ball _ move around the sun.4It exploded loudly _ fire and rock，_ were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, _ were to make the earths atmosphere.asto beWhatuntilmovingwithwhichwhich5It allowed the earth _ dissolve harmful gases，_ had become part of the earths atmosphere, into the oceans and seas.6Scientists believe that taking carbon dioxide _ the atmosphere and _ fill the air _ oxygen helped life to develop.7Last month I was _ luck enough to have a chance _ make a trip into space with my friend Li Yanping, an astronomer.8I cheered _ immediately and floated weightlessly around in our spaceship cabin _ watch the earth become_ small and the moon larger.to dissolvewhichfromfillingwithluckyto makeup watchingsmaller9Walking does need a bit of practice _ that gravity has changed.10We watched，_ amaze as fire broke out on the outside of the spaceship _ the earths gravity increased.nowamazedas五、课文内容理解根据课文内容，请用适当的词或短语的正确形式填空。As the result of “Big Bang”， the violent earth slowly settled into a 1._ moving around the sun.The gasses which were to make the earths 2._came into being from the 3._ of the dust ball, with water following them while the earth 4._ down.It allowed the beginning for life.Millions of years later, the first extremely small plants began to appear on the 5._ of the water, 6._ and filling the sea and oceans, which encouraged the later development of early shellfish a