新课标人教版必修三Book3Unit4Vocab课件.ppt

1、Unit4 Vocabulary 重点单词 1 n天文学 n天文学家2 n系统；体系；制度 3 n学说；理论theoretical adj.理论上的 3 n原子4 n球体；地球仪；地球 adj.全球性的；全世界的 5 adj.猛烈的；强暴的 n暴力 adv.猛烈地6 _ n大气层；气氛7 prep.不同；不像 vt.不喜欢8 n出席；到场；存在 adj.&n.&v在场的；目前，现在；出席；颁发，授予astronomyastronomersystemtheoryglobeglobalviolentviolenceviolentlyatmosphereunlikedislikepresencepr

2、esentatom 9 adj.有害的伤害的 n危害害处 adj.无害的 10 vi.存在，生存 n存在，生存11 n谜；难题vt.&vi.(使)迷惑；(使)为难 adj.迷惑的 adj.令人迷惑的12 n万有引力；重力 13 n卫星；人造卫星14 n气候 15 n宇宙飞船16 n.&vt.拉(力)；拖；牵引力17 vi.&vt.(使)浮动；(使)漂浮 n漂浮物harmfulharmlessharmexistexistencepuzzlepuzzledpuzzlinggravitysatelliteclimatespaceshippullfloat18.宗教，宗教信仰 19.carbon 20

3、.fundamental 21.reaction 22.乘，增加 23.氧 24.thus 25.carbon dioxide 26.biology 27.gentle _28.物理学家 39.crash _30.exhaust religionn.碳adj.基本的，基础的基本的，基础的n.反应，回应oxygenadv.因此，于是二氧化碳n.生物学Adj.温和的，文雅的Vi&vt.碰撞，坠落Vt.用尽，耗尽，使筋疲力尽physicistmultiply 重点短语1 及时；终于 2 下蛋3 产生；分娩 4 轮到某人；接着5 阻止；制止 6 挡住(光线)7 感到高兴；感到振奋 8 既然9 突发；爆

4、发 10 密切注视；提防in timelay eggsgive birth toIn ones turnprevent.fromblock outcheer upnow thatbreak outwatch out for 授课授课:完成下面的句子并总结重要词汇短语的用法。完成下面的句子并总结重要词汇短语的用法。in time _ _ 布莱恩通常会及时赶回家里给孩子们洗澡。_ 我相信总有一天你会成功的。_ 拓展：on time _ at a time _ at one time_ at the same time _ at times in no time _及时终于Brian usually

5、 gets home in time to bathe the children.Im sure you will succeed in time.准时，按时每次，逐一一度，曾经同时，然而，不过有时，间或立即，马上harmful adj.；harm v.&n._ be harmful to 对有害 do sb.harm/do harm to sb.对某人有害mean no harm 没有恶意 即学即练(1)Fruit juice can _ _ childrens teeth.果汁可能损坏儿童的牙齿。(2)What he did _ his reputation.他所做的损害了他的名声。(3)

6、He may look fierce,but he _ _ _.他可能看上去很凶，但并无恶意。(4)The court case will _ _ _ my business.这起诉讼案件将损害我的生意。有害的伤害的损伤，伤害be harmful toharmedmeansnoharmdoharmto3exist vi.existence n.存在，生存There exists/existed.某地有，存在 come into existence 开始存在；成立即学即练(1)_ always _ a force of attraction between two bodies.两物体间总是存在

7、着吸引力。(2)That word doesnt _ in English.英语中没有这个词。(3)We cant _ without food or water.没有食物和水我们就不能生存。(4)When did the world _？世界是什么时候开始产生的？存在，维持存在，维持Thereexistsexistexistcome into existence 4puzzle vt.；n._ puzzling adj.puzzled adj.puzzle about/over sth.苦苦思索；仔细琢磨 be puzzled by 被迷惑 即学即练(1)_ (令我百思不得其解的是)is w

8、hy he didnt turn up.(2)This sentence _ _ me.这个句子令我困惑。(3)The question is _ _ to me.这个问题令我困惑。使迷惑，使糊涂使迷惑，使糊涂谜，难题谜，难题令人困惑的令人困惑的感到困惑的感到困惑的What puzzles mepuzzles a puzzle 5.lay eggs 下蛋 那只黑母鸡每天下一个蛋。动词原形中文释义过去式过去分词 现在分词单三lielielayThe black hen lays an egg every day.撒谎，撒谎，谎话谎话躺，躺，位于位于放置，放置，下蛋下蛋liedlaylaidlie

9、dlainlaidlyinglyinglayinglieslieslaysin ones turn Tom will be on duty tonight.(今晚轮到汤姆值日)拓展：take turns to do sth.;in return ;in turn Its ones turn to do sth 今天轮到你来擦黑板。7 prevent/stop sb(from)doing-keep sb from doing protect sb from doing keep sb doing sth 轮到某人轮到某人in his turn轮流干某事，依次做某事轮流干某事，依次做某事作为回报作

10、为回报依次，反过来依次，反过来轮到某人做某事轮到某人做某事Its your turn to clean the blackboard today.阻止，阻止，制止制止保护保护不受不受的侵害的侵害让某人一直做某事让某人一直做某事【当堂训练【当堂训练】翻译1 当火灾发生的时候我正在睡觉。2吸烟有害健康。3 轮到你在会上发言了。4 大雨使我们无法无上学。5 After lunch,he began to (高兴起来)。6 她生了个健康漂亮的婴儿。7 恐龙通过产卵来繁殖后代。8 你知道吗，昨天晚上他的妻子生了个双胞胎。I was sleeping when the fire broke out.Smo

11、king does harm to health.Its your turn to give a speech on the meeting.The heavy rain prevented us from going to schoolcheer upShe gave birth to a fine and healthy baby.Dinosaurs produced young by laying eggsDo you know his wife gave birth to a twins last night?9 既然你遇到了麻烦，为什么不找老师帮忙呢？10_ _！There is a

12、 car coming!当心！有车来了！二 单词拼写 1He was interested in a_ and always stayed up at night to watch the stars.2Not long ago a v_ earthquake occurred off the coast of Indonesia.3Computer hackers have broken down security s_，raising questions about the safety of information.4Too much sugar can be h_ _ to child

13、rens teeth.Now that you are in trouble,why not ask teacher for help?Watch outastronomyviolentsystermharmful 5The threestar hotel offers a friendly a_ and personal service.6China has sent up another _ _(人造卫星)into space.7There is a lot of rubbish _ _(漂浮)on the surface of the river.8_ _(理论)is based on practice.9The_ _(气候)is different from place to place.10.6 _ _(乘)by 5 is 30.atmospheresatellitefloatingTheory climatemultiplied