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1、Unit 1 Unit 2 Unit 3 Unit 4 Unit 5,基础自主梳理考点分层突破当堂跟踪检测,Astronomy: the science of the stars,Unit 4,【单词回顾】 词不离变，变中记牢 1._ n. 学说；理论 2._ pron. & n. & adj. 英万亿；美十亿 3._ n. 大气层；气氛 4._ adv. 因此；于是 5._ vi. 存在；生存_ n存在；生存；生活(方式) 6._ adj.有害的_ n害处 vt.对有害 7._ v阻止；制止 8._ vt.& vi.使迷惑 n难题；谜_ adj.迷惑不解的 9._ n& vt.拉(力)；拖；
2、牵引力 10._ n球体；地球仪_ adj.全世界的；全球性的,基础自主梳理,atmosphere,theory,thus,billion,exist,existence,harmful,harm,prevent,puzzle,puzzled,pull,globe,global,11._ adj.猛烈的_ n暴力_ adv.猛烈地 12._ prep.不像；和不同_ (反义词) prep._ v& n不喜欢 13._ n物理学家_ adj.物理学的_ n物理，物理学 14._ n质量；团；块；大量_ (pl.) 群众 15. _ n. 制度； 体系 16. fundamental adj. _
3、 17. chain n. _ 18. multiply vi. & vt. _ 19. oxygen n. _,violent,基础自主梳理,dislike,physics,physical,physicist,violently,like,unlike,violence,mass,masses,system,基本的；基础的,链子；连锁；锁链,乘；增加,氧,【基础冲关】 词不离用，用中提升 Not long ago a _ (violence) earthquake occurred off the coast of Indonesia. 2. 2017北京卷A machine with a
4、 specific purpose has another quality, one that we usually associate with living things: a wish to preserve its own _ (exist) 3.There are many _ (theory) about the origin of life. 4.Playing computer games for a long time is very_ (harm) to our health. 5._ (like) most people in the office who come to
5、 work by car, I usually come to work by bus. 6. We live in a _ (globe) village, but this doesnt mean that we all behave in the same way. 7. His answer to the question sounds _ and we are all _ a lot. (puzzle) 8.He spent the whole afternoon _ (pull) weeds in the garden.,violent,基础自主梳理,existence,theor
6、ies,harmful,Unlike,global,puzzling,puzzled,pulling,7.block _ 挡住(光线) 8.now_ 既然 9.break_ 突发；爆发 10.watch _ for 密切注意；当心；提防 11. get the hang _ 熟悉；掌握；理解,【短语扫描】 归纳积累，一网打尽 1._ time 及时；终于 2._ ones turn 轮到某人 3.cheer _ 感到高兴；感到振奋 4.give birth _ 产生；分娩 5.prevent_ 阻止；制止 6.lay_ 下蛋,基础自主梳理,in,in,up,to,from,eggs,out,t
7、hat,out,out,of,【短语检测】 语境训练，应用提升 选用左栏短语填空 1.I stayed up last night, so today I cant _ (感到振奋) 2._ (既然) you have grown up, you should not depend on your parents. 3._ (当心) the cars when you cross the street. 4.We put a curtain across the window to _ (挡住) the sunlight. 5.Press the button when the light g
8、oes onyou will soon _ (掌握，熟悉) it.,基础自主梳理,cheer up,Now that,Watch out for,block out,get the hang of,【句式再现】,twice as far as,基础自主梳理,three times as much time and energy as,which made it possible,基础自主梳理,make it hard for them to calm down,so violent that,基础自主梳理,so difficult that,whether life will continue
9、,基础自主梳理,whether or not,whether this problem can be solved,exist vi.存在；生存 经典例句 (1)教材原句P26 They laid eggs too and existed on the earth for more than 140 million years. 它们也下蛋，在地球上生存了一亿四千多万年。 (2)There exists a good way to solve the existing problems in geography. 有一个解决现存地理问题的好办法。,核心词汇,归纳拓展 exist on sth
10、(live on sth) 靠某物生存 exist in 存在于之中 There exists 有/存在 existence n. 存在 in existence 现存的；现有的 come into existence 产生；存在 existing adj. 现存的；现行的 【名师指津】 exist一般不用于进行时态，也不能使用被动语态。,即学即练 单句语法填空 (1)It was impossible for them to exist _ such a small income. (2)How the first star came into _ (exist) is not known.
11、 (3)The parking place for bikes was an_ (exist)problem for a long time in our school.,on,existence,existing,prevent v. 阻止；制止 经典例句 (1)教材原句P26 They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space. 他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释放到太空中去。
12、 (2)As always，you should stretch at least ten minutes before each run to prevent injuries. 在每次开跑之前，你都应该像往常一样伸展四肢至少十分钟，以避免受伤。,归纳拓展 prevent宾语from doing stop宾语from doing 阻止做 keep宾语from doing protectfrom (against) 保护不受侵袭,【名师指津】 (1)在主动语态中，stop/preventfrom doing sth中可省去from，而keepfrom doing sth中的from不可省略；在
13、被动语态中，这三个搭配中的from均不可省略。 (2)在protectfrom结构中，from后接能带来伤害或损害之物。,即学即练 单句改错 (1)Nothing could prevent him go out even though its bad weather. _ (2)The plan can be prevented being carried out. _ (3)They didnt keep him expressing his views. _,gogoing,being前加from,him后加from,puzzle n谜；难题 vt.& vi.(使)迷惑；(使)为难 经典
14、例句 (1)教材原句P27 How life began on earth is one of the biggest puzzles that scientists found hard to solve. 地球上的生命是怎样起源的，这个问题是科学家们发现的难以解决的最大难题之一。 (2)The puzzled look on her face suggested she was puzzling over the puzzling maths problem. 她脸上困惑的表情暗示了她正在思考那个令人困惑的数学题。,归纳拓展 puzzle over/about 苦苦思索；仔细琢磨 puzzled adj.
