1、返回目录 Astronomy:the science of the stars Unit 4 返回目录 单元知识回顾返回目录 1_n.天文学2_n.系统；体系；制度3_n.宗教；宗教信仰 _adj.宗教上的；信奉宗教的；虔诚的4_n.学说；理论5_n.球体；地球仪；地球 全球性的；全世界的astronomy system religion religious theory globe global 重点单词返回目录 6_adj.猛烈的；激烈的；强暴的 _n.暴力；暴行 _adv.强烈地；凶猛地7_n.大气层；气氛8_prep.不同；不像 _adj.不可能的 _adj.可能的9_adj.基 本的
2、；基础的violent violence violently atmosphere unlike unlikely likely fundamental fundamentally 返回目录 10_adj.有害的 _n.&vt.伤害；损害 _adj.无害的11_vi.&vt.乘；增加12_vi.存在；生存 _n.存在；生存13adv.因此；于是harmful harm harmless multiply exist existence thus 返回目录 14_vt.&vi.(使)迷惑；(使)为难n.谜；难题 _adj.困惑的 _adj.令人困惑的 _n.迷惘；困惑15_n.生物学 n.生物学
3、家puzzle puzzled puzzling puzzlement biology biologist 返回目录 16_n.万有引力；重力17_adj.温和的；文雅的 _adv.温和地18_n.物理学家 _n.物理学 _adj.物理的；身体的gravity gentle gently physicist physics physical 返回目录 19_adj.灭绝的；绝种的 _n.灭绝20_vi.&vt.碰撞；坠落21_n.&vt.拉(力)；拖；牵引力22_vt.&vi.(使)浮动；(使)漂浮n.漂浮物extinct extinction crash pull float 返回目录 1_
4、及时；终于；迟早；最后2_冷却；使缓和；平静下来3_下蛋；产卵4_产生；分娩5_ 轮到某人6_阻止；制止7_依靠；依赖；取决于重点短语in time cool down lay eggs give birth to in ones turn preventfrom depend on 返回目录 8_挡住(光线或声音)；忘掉(不愉快的事)9_感到高兴；感到振奋10_既然11_ 熟悉；掌握；理解12_突发；爆发13_密 切注视；当心；提防block out cheer up now that get the hang of break out watch out(for)返回目录 重点句型1be
5、to do 结构的用法【原句】What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.【仿写】新技术的目的是让生活更便捷，而不是更难。The purpose of new technologies _，not to make it more difficult.is to make life easier 返回目录 2“makeitn./adj.(for sb/sth)to do sth”结构【原句】This
6、produced a chain reaction,which made it possible for life to develop.【仿写】网络的发展使得人们彼此之间保持联系变得更容易。The development of the Internet _.makes it easier for people to stay in touch with each other 返回目录 3倍数表达法【原句】But when I tried to step forward,I found I was carried twice as far as on the earth and fell ov
7、er.【仿写】这套公寓现在的价格是去年的两倍。The price of the flat now is _ that last year.twice as high as 返回目录 4now that 引导的原因状语从句【原句】“Oh dear，”I cried,“walking does need a bit of practice now that gravity has changed.”【仿写】既然你对这个问题感到困惑，你应该向你的同学或老师求助。_，youshould turn to your classmates or teachers for help.Now that you
8、feel puzzled about the question 返回目录 黑体部分用本单元的词汇或句型表达It was said that dinosaurs were once the masters oftheearth.They1._(在地球上存活了很长时间).Theyproducedtheyoung2._(通 过下 蛋)and the warm climate3._(帮助它们迅速繁殖).Unfortunately,theycouldnt4existed on the earth for a long time 话题写作by laying eggs helped them multiply quickly prevent themselves from disappearing 返回目录 Howdidthedinosaursdieout?5._ _(有很多不同的学说).Allinall,6._(随 着 世 界 气 候 的 变 化),dinosaurs died,but many smaller animals lived on.Itwas the survival of the fittest.There are many different theories with the changes in the worlds climate 返回目录 单元跟踪测评