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1、必修三Unit 4Astronomy：the science of the stars(对应学生用书第75页)单词拼写应用.考纲单词会拼写、要识记1systemn系统；体系；制度2theory n. 学说；理论3atmosphere n. 大气层；气氛4thus adv. 因此，于是5climate n. 气候6crash vi.& vt. 碰撞；坠落7pull n& vt. 拉(力)；拖；牵引力8float vi.& vt. (使)浮动；(使)漂浮 n. 漂浮物9astronomy n. 天文学10globe n. 球体；地球仪；地球11fundamental adj. 基本的；基础的12c
2、hain n. 链子；连锁；锁链13multiply vt.& vi. 乘；增加14oxygen n. 氧15gravity n. 万有引力；重力16satellite n. 卫星；人造卫星17physicist n. 物理学家18spaceship n. 宇宙飞船.派生单词能辨别1violent adj.猛烈的；激烈的；强暴的violence n暴力violently adv. 猛烈地2like prep.像unlike prep.与不同；不像dislike vt.& n不喜欢3harm n害处vt.对有害harmful adj.有害的4exist vi.存在；生存existence n存在
3、5puzzle vt.&vi.(使)迷惑；(使)为难n.谜；难题puzzled adj.迷惑不解的puzzling adj.令人迷惑的6gentle adj.温和的；文雅的gently adv.温柔地；温和地.语境应用(用所给词的适当形式填空)1There was a puzzled look on the little girls face because a puzzling problem puzzled her.(puzzle)2In face of violence，people can act violently if they feel threatened.(violence)
4、3Playing computer games will not only do harm to your physical health，but it is also harmful to your mental health.So there is no harm in advising you to give it up.(harm)拓展联想un否定前缀unhappy不快乐的unhealthy不健康的unable不能够的 unfortunate不幸的以ful结尾的形容词useful有用的careful小心的helpful有帮助的 painful痛苦的powerful强大的短语多维应用.短
5、语回顾会默写1in_time及时；终于2be_harmful_to/do_harm_to 对有害3in_ones_turn 轮到某人；接着4prevent.from 阻止；制止5cheer_up 感到高兴；感到振奋6now_that 既然7break_out 突发；爆发8watch_out_for 密切注意；当心；提防9give_birth_to 产生；分娩10block_out 挡住(光线).语境应用(选用所给词的适当形式填空)1Class Three should be responsible for raising the red flag this week in_its_turn2T
6、o ensure good sleep，she bought a heavy curtain to block_out the light.3Last night，Mrs.Green had a heart attack.But luckily，the doctor came in_time to save her life.4Do remember to watch_out_for cars while crossing the street.5Cheer_up！You must believe in yourself and you will succeed.拓展联想“动词.from”表“
7、阻止，禁止”短语discourage sb.from doing sth.stop sb.from doing sth.ban sb.from doing sth.keep sb.from doing sth.句式结构仿写教材原句会背诵句式仿写能应用1.whether.or not 是否The earth became so violent that it was not clear whether the shape would last or not1.他们是否能够通过交流达成协议还不清楚。Its not clear whether they are able to arrive at a
8、n agreement through communication or_not.2.make it adj.to do sth.This produced a chain reaction，which made it possible for life to develop.2.这个女孩懂三门外语，这使她更容易找到一份好工作。The girl knows three foreign languages，which makes_it_easier_for_her_to_find a good job.3.倍数as形容词/副词原级asBut when I tried to step forwar
9、d，I found I was carried twice as far as on the earth and fell over.3.杰茜卡付出的时间和精力是以前的三倍多，所以我相信她这次能成功。Jessica devoted three_times_as_much_as_time_and_energy_as she did before，so I believe she will succeed this time.4.形容词作伴随状语We watched，amazed as fire broke out on the outside of the spaceship as the ea
10、rths gravity increased.4.他在风雪中待了七天，又冷又饿。He spent seven days in the wind and snow，cold_and_hungry.(对应学生用书第76页)精讲 3个考纲单词 harmful adj.有害的高考佳句Many wastes produced in the producing process are harmful as well.(2015年江苏高考)生产过程中产生的许多废料也是有害的。(1)be harmful to sb./sth.对某人/某物有害(2) 对某人有害(3) 做某事没有坏处Some boys are
11、too crazy about playing games on the computer，which is very harmful to their health.有些男生对玩电脑游戏简直到了痴迷的程度，这对他们的健康非常有害。If you want to solve the problem in this way，there is no harm in calling him.如果你想以这种方式来解决问题，你不妨给他打个电话。 链接写作 众所周知，过量喝酒对你的健康有害。What is known to us is that drinking too much is_harmful_to
12、_your_health(harmful)It is known to us that drinking too much does_harm_to_your_health(harm) exist vi.存在；生存写作佳句As is known to us，there exists a generation gap between the young and the old.众所周知，青年人和老年人之间存在着代沟。(1)exist/live on sth.靠某物生存exist in 存在于There exist(s). 有/存在(2)in existence 现存的；现有的come into
13、existence 产生；存在You cant imagine what difficulty they have existing on the money hes earning.你无法想象他们靠他挣的那点钱维持生活是多么地困难。Scientists have many theories about how the universe first came into existence(exist)关于一开始宇宙是如何产生的，科学家们有多种理论。名师点津exist是不及物动词，没有被动语态，也不用于进行时态。 puzzle vt.& vi.(使)迷惑；(使)为难n. (游戏的)猜谜；难题；谜
14、教材原句 How life began on earth is one of the biggest puzzles that scientists found hard to solve.地球生命如何起源是科学家们觉得很难解决的最大的难题之一。(1)puzzle sb.使某人迷惑/为难be puzzled by 被迷惑puzzle about/over sth. 苦苦思索；仔细琢磨(2)be in a puzzle about sth. 对某事迷惑不解(3)puzzling adj. 令人迷惑的puzzled adj. 感到困惑的When the little girl was asked such a puzzling(puzzle) question，she stood there with a surprised look on her face.当这个小女孩被问及如此一个令人迷惑的问题时，她面带惊讶得站在那里。This morning，when I was walking on the street，I saw that two travellers were reading a map，looking puzzled(puzzle)今天早晨我正在大街上走，就在这时我看见两名游客正在困惑地看着地图。名师点津puzzl
