1、Astronomy：the science of the stars Unit 4 单元复习方案栏目导航 单元 核心归纳单元 考法整合 核心单词 1astronomy n_ 2religion n_ 3_ n学说；理论 4atom n_ 5_ adj.猛烈的；激烈的；强暴的 6atmosphere n_ 7_ prep.与不同；不像单元 核心归纳天文学宗教；宗教信仰theory原子violent大气层；气氛unlike 8fundamental adj._ 9_ adj.有害的 10chain n_ 11multiply vi.&vt._ 12oxygen n_ 13._ vi.存在；生存 1
2、4thus adv._ 15_ n谜；难题vt.&vi.(使)迷惑；(使)为难 16biologist n_基本的；基础的harmful链子；连锁；锁链乘；增加氧exist因此；于是puzzle生物学家 17satellite n_ 18_ adj.温和的；文雅的 19physicist n_ 20_ n气候 21crash vi.&vt._ 22pull n&vt._ 23float vi.&vt._ 24exhaust vt._卫星；人造卫星gentle物理学家climate碰撞；坠落拉(力)；拖；牵引力(使)浮动；(使)漂浮用尽；耗尽；使精疲力尽 重点短语 1_及时；终于 2._生产；分
3、娩 3._轮到某人 4_ 阻止；制止 5.block out _ 6._感到高兴；感到振奋 7_既然 8._突发；爆发 9._密切注意；当心；提防 in timegive birth toin ones turnpreventfrom挡住(光线)cheer upnow thatbreak outwatch out for 经典句型 1This produced a chain reaction，which _for life to develop.这就产生了连锁反应，使得生命发展成为可能。2They are putting too much carbon dioxide into the at
4、mosphere，which _ heat _from the earth into space.它们把过多的二氧化碳释放到大气层中，这使得地球上的热不能放到太空中去。3Water had also appeared on other planets like Mars but，_ the earth，it had disappeared later.像火星一样，在其他行星上也出现了水，但和地球不同的是，这些水后来都消失了。made it possiblepreventsfrom escapingunlike MK，a planet billions of kilometres away，is
5、 the origin of life in many religions.Physicistshave proved the theory that its gentle climateand the pull of its gravity are similar to the earths.And astronomers have found that oxygen atoms and carbon dioxide，which are fundamental to life，exist in its atmospherethrough satellites.Cheered up by th
6、is news，biologists，in their turn，began to do some research to remove peoples puzzlesNow thatthere are some suitable conditions，does life really exist on this globe？Do the lives multiply by laying eggs or giving birth tobabies?单元 考法整合考法一 情景词汇单元词汇句型串记 Last month，a spaceship was sent there.Unlike the e
7、arth，MK is a much younger planet.Thus，masses of harmful acid clouds float everywhere，causing violent chain reactions to break out.These clouds not only blocked out the pilots sight but also damaged the engine system.Luckily，the pilots watched out and prevented the spaceship from crashing in time.Are
8、 Training Classes Or Tutors Necessary?Nowadays，it is common that middle school students attend training classes or hire tutors.Whether training classes or tutors are necessary has been a hot topic of discussion in our class.Some think it necessary to do so.Firstly，its more effective to study with a
9、teachers help than by themselves.Secondly，you can have more chances to communicate with teachers.Others think it unnecessary.For one thing，it is important that students should form the habit of independence.For another，it appears thatattending training classes or hiring tutors even causes some stude
10、nts not to listen attentively in their regular classes.考法二 情景语法单元语法知识串连 In my opinion，whether a training class or tutor is needed just depends.If you are really very weak at or interested in a certain subject，maybe its OK for you.But it is necessary thatyou choose a good and suitable class or teacher，otherwise it would be a waste of time and money.制作者：状元桥适用对象：高一学生制作软件：Powerpoint2003、Photoshop cs3运行环境：WindowsXP以上操作系统
