山东省泰安市肥城市第三中学高中英语 Unit 4 Astronomy the science of the strars 学案 新人教版必修 3教学内容教学设计Learning aims: Let students be familiar with the new words and phrasesLearning key points: the usage of key words and phrasesLearning difficult points: the usage of key words and phrases【学案使用说明】提前认真预习单词的前提下完成1【课前预习】检查学生单词读音,纠错。【自主 合作 探究】1. unlike prep.不同;不像 adj.不同的,相异的区别 unlike/dislike①They are so ______that nobody believes they are sisters.②I am shy and I ______ being talked about③____her younger brother, she studies very hard .④(2013· 东 营 高 一 检 测 )The festival has been a great success,______last year when it rained nonstop.A.like B.unlike C.alike D.dislike2 . fundamental adj.基本的;基础的 n.基础,基本规律be fundamental to ----对---必不可少的The relationship with the students is fundamental to my work as a teacher .3.harmful adj.有害的 反义词______be harmful to= __________对……有害① 阳光会对你的皮肤有害。The sun can ___ ________ __ your skin②Smoking is harmful to your l ungs.=Smoking ________________吸烟对你的肺有害4.exist vi.存在;生存①exist in 存在于……之中②exist on 靠……为生/生存,与 live on 意思相近③There exists...表示“存在,有”,是 there be 句型的变式。用于该结构的动词还有 live/stand/lie 等。练习①他们靠这点收入生存是不可能的。It was impossible for them to ____ ___such a small income.② 众所周知,地球存在于宇宙之中。As is well known to us, the earth _____ __ the universe.③ 世界是什么时 候产生的?When did t he world _____ ____ ________?④We can’t exist without food or water.译:___________________________⑤Many experts believe that there may_____life on other planets. A.have B.exist C.are D.is【温馨提示】exist 是不及物动词,没有被动语态,也没有进行时5.puzzle n.谜;难题 vt. & vi.(使...