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1、Unit 4 Astronomy the science of the stars(一)课前自主学习.阅读单词知其意1solar adj.太阳的；日光的2chain n. 链子；连锁；锁链3dissolve vt.&vi. 溶解；解散4acid n. 酸5multiply vi.&vt.纵联1乘；增加6gravity n. 万有引力；重力7extinct adj. 灭绝的；绝种的8exhaust vt. 用尽；耗尽；使精疲力尽9satellite n. 卫星；人造卫星10spaceship n. 宇宙飞船11physicist n. 物理学家12oxygen n. 氧.重点单词写其形1atmo
2、spheren. 大气层；气氛2fundamentaladj. 基本的；基础的3thusadv. 因此；于是4gentleadj. 温和的；文雅的5climaten. 气候6crashvi.&vt. 碰撞；坠落7pulln&vt. 拉(力)；拖；牵引力8floatvi.&vt. (使)浮动；(使)漂浮n. 漂浮物9systemn. 系统；体系；制度10theoryn. 学说；理论.拓展单词通其变1globe n球体；地球仪；地球globaladj.全球性的；全世界的2violent adj.猛烈的；激烈的；强暴的violencen暴力violentlyadv.暴力地；猛烈地3unlike pr
3、ep.与不同；不像adj.不同的likevt.喜欢prep.像dislikevt.不喜欢；讨厌likelyadj.可能的纵联24harmful adj.有害的harmn&vt.伤害harmlessadj.无害的纵联35exist vi.存在；生存existencen存在；生存6puzzle vt.&vi.(使)迷惑；(使)为难n谜；难题puzzledadj.困惑的puzzlingadj.令人困惑的7religion n宗教；宗教信仰religiousadj.宗教上的；信奉宗教的；虔诚的8biology n生物学biologistn生物学家biologicaladj.生物的；生物学的纵联49re
4、action n反应；回应reactv反应纵联1.数学运算大集合plus prep. 加；加上minus prep. 减n. 减号；负号multiply vi.&vt. 乘；增加divide v. 除；除以纵联2.un前缀高频形容词集锦unlike不同的unfair不公平的unimportant不重要的unusual不寻常的unhappy不幸福的unfortunate不幸运的unsuccessful不成功的untidy不整洁的纵联3.以ful结尾的形容词聚焦harmful有害的useful有用的helpful有帮助的powerful强大的careful小心的faithful忠实的纵联4.后缀i
5、st名词荟萃biologist生物学家tourist旅游者；游客physicist物理学家scientist科学家psychologist心理学家pianist钢琴家单元话题天文学子话题太空科技astronaut n. 宇航员telescope n. 望远镜universe n. 宇宙rocket n. 火箭orbit n. (天体等的)运行轨道monitor vt. 监测；监控data n. 资料；数据space station 太空站；空间站the outer space 外太空manned spaceship/spacecraft 载人飞船weather satellite 气象卫星sp
6、ace shuttle 航天飞机学考对接活学活用高考采撷(一)阅读中的词汇应用1(2016四川高考阅读C)In the depths of the French Guianese rainforest, there still remain unusual groups of indigenous (土著的) people. Surprisingly, these people live largely by their own laws and their own social customs. And yet, people in this area are in fact French
7、citizens because it has been a colony (殖民地) of the French Republic since 1946. _ theory, they should live by the French law. However, their remote locations mean that the French law is often ignored or unknown, _ making them into an interesting area of “lawlessness” in the world.写出本单元中与加彩词意义相近的词：exi
8、st在空白处填入适当的介词：In，与后面的theory搭配，意为理论上选词填空：AbutBhoweverCthus2(2017江苏高考阅读D)Around the world, people are adapting in surprising ways, especially in some poor countries. Floods have become more damaging in Bangladesh in recent decades. Mohammed Rezwan saw opportunity where others saw only disaster. His no
9、tforprofit organization runs 100 river boats that serve as _ (float) libraries, schools, and health clinics, and are equipped with solar panels and other communicating facilities. Rezwan is creating floating connectivity (连接) to replace flooded roads and highways. But he is also working at a far mor
10、e fundamental level: his staff show people how to make floating gardens and fish ponds to prevent starvation during the wet season.用float的适当形式填空：floating写出加彩词在句中的含义：太阳的；日光的， solar panels意为太阳能电池板写出加彩词在句中的含义：基本的；基础的高考采撷(二)写作中的词汇应用(根据汉语及提示词补全句子)1(2018全国卷书面表达)与西方风俗习惯不同，如果你被邀请参加晚宴，准时是有礼貌的。(unlike)Unlike_
11、western_customs,_it_is_good_manners to be punctual if you are invited to attend a dinner party.2(2016江苏高考书面表达)虽然许多人对于网络投票的负面影响感到困惑，但是现在网络投票仍然受欢迎。(puzzled)While_many_people_are_puzzled at the negative side of the voting, Internet voting is quite popular nowadays. (二)课堂重点释疑1harmful adj.有害的记牢(1)be harm
12、ful to sb./sth.对某人/某物有害对某人有害做某事没有坏处练通单句语法填空As we all know, a bad eating habit is harmful (harm) to ones health.As far as Im concerned, there is no harm in making an apology to him first.These days, breaking traffic rules and littering are common, causing/doing serious harm to life and the environmen
13、t.写美一句多译众所周知，吃太多垃圾食品对你的健康有害。What is known to us is that eating too much junk food is_harmful_to_your_health.(harmful)It is known to us that eating too much junk food does_harm_to_your_health.(harm n)2exist vi.存在；生存记牢(1)exist in存在于之中exist on 靠为生there exists . 某地有；存在(2)existence n. 存在；生存come into exis
14、tence 产生；成立；开始存在(3)existing adj. 现存的；现行的练通单句语法填空Scientists have many theories about how the universe first came into existence (exist)You cant imagine what difficulty they have existing on the money he is earning.The parking place for bikes was an existing (exist) problem for a long time in our school.用准exist是不及物动词，没有被动语态，也不用于进行时态。写美翻译句子众所周知，年轻人和老年人之间存在代沟。As_is_known_to_us,_there_exists_a_generation_gap_between_the_young_and_the_old.3puzzle vt.&vi.(使)迷惑；(使)为难；(使)困惑n.谜；难题记牢(1)puzzle about/over冥思苦想；苦苦思索(2)a puzzle to sb. 一件让某人感到困惑的事情(3)puzz
