language points:1.outer space and space exploration space 作“太空” 、“空间” 解释时为不可数名词，前面通常不加限定词e.g. from space ,the earth looks like a blue water-covered globe.他离开飞船在太空漫步.____________________________________________________the door opened directly into space.____________________________________________________there isn’t much space left.this box takes up too much space.教室放不下60张桌子._____________________________________________________2.explore vt. 探索,探险,堪探,钻研 to explore the antarctic to explore oil e.g. he explored all the possible ways to solve the problem.exploration n.a journey of exploration into antarctic space exploration oil exploration 3.by 1961,people were orbiting the earth.the moon travels in an orbit around the earth. orbit n.轨道 vt.把…放入轨道,(绕轨道)运行卫星被送入轨道绕月球运行。_________________________________________________嫦娥一号正绕月运行．chang’e i is _______________________ .4. so far: up till now 到目前为止,迄今为止到目前为止，我们已经学了四年的英语。__________,we ______________________ english for 4 years.the newly-built railway reaches as far as the next town.远至…，和…一样远5.i guess some of you are dreaming of becoming an astronaut and traveling to space to carry out space exploration.n.when he was young, his dream was to become an actor. i had a strange/frightening dream last night. i saw her on a street in my dream.v. dream of (about)…/that… the soldiers often dream of home. i dreamed that i was back at school.dream of doing… 梦想做…你昨晚梦见什么了？____________________________________________小时候我常梦想成为一名警察.____________________________________________carry out:实行；执行；进行 by the end of last month ,our factory had successfully carried out its production plan for this year. ___________________________________________________________这工作一旦开始，就必须完成。 ___________________________________________________________carry on:继续；进行；经营; 继续活动，进行下去6.if this comes true, you’ll probably travel by space shuttle.当 realize 作实现讲时,相当于 come true . 但 realize 是及物动词,后面必须跟宾语,有被动语态.而 come true 不及物,无被动语态,物作主语.he _________his dream/hope at last.=his hope was ___________at last.his hope ________________at last.he came true his hope at last.his hope was came true at last.