新人教版必修3高中英语Unit 4Astronomy the science of the starsPeriod Two Integrating Skills讲义Word文件下载.docx

1、撞入4.cheer up 感到高兴；感到振奋5.now that既然6.break out 突发；爆发7.watch out for密切注意；当心；提防.阅读课文，匹配信息1.Match the three ways in which gravity changed.（1）Left the earth（B）A.It became very light.（2）In space（C） B.The gravity became very strong.（3）On the moon（A） C.The gravity disappeared.2.Match the ways in which weigh

2、t changed.（1）Left the earth（C） A.He is weightless.（2）In space（A） B.He weighs less than on the earth.（3）On the moon（B） C.His weight is normal.阅读课文，判断正（T）误（F）1.It was because they were too far from the earth to feel its pull that they would not fall back to the earth when they were traveling in the sp

3、aceship.（T）2.When they were on the moon，they would not feel the gravity because there was no gravity on the moon.（F）3.When they step forward on the moon，they can be carried twice as far as on the earth.（T）.课文阅读理解1.The passage is mainly about.A.an introduction of the moonB.the gravity that I felt on

4、my way to the moonC.my visit to the moon答案C2.From the text，we know that the force of the gravity would changetimes.A.2 B.3 C.4答案B3.You can jump on the moon than on the earth.A.higher B.slower C.lower答案A.课文阅读填空PeriodsDetailsOn leaving the earths atmosphereWith the rocket rising into the air，we were 1

5、.pushed back into our seats because of the strong 2.pull of the earths gravity.The 3.weight lessened as we moved far away from the earth.When getting closer to the moon，we felt pulled by 4.the moons gravity，but it was not as strong as the earths.While landing on the moonWe weigh 5.less than on the e

6、arth.While trying to step forward，I found I was carried 6.twice as far as on the earth.It took a bit of 7.practice to walk on the moon.When leaving the moonLeaving the moons gravity was less 8.painful than leaving the earths.Returning to the earth was very 9.frightening because fire broke out on the

7、 outside of the spaceship as the earths gravity 10.increased.We were pushed hard into our seats again when we came back to land.1.crash语境感悟（1）（教材P29）Other scientists believe that a comet crashed into the earth long ago and caused the disappearance.其他科学家认为很久以前一颗彗星撞到地球上，这导致了恐龙的灭绝。（2）Her best friend wa

8、s seriously hurt in a car crash.（2015福建）她最好的朋友在一起撞车事故中严重受伤。（3）The helicopter began to fly south in search of the crashed plane.直升机开始往南飞去寻找失事飞机。归纳拓展（1）crash vi.&坠落；n.相撞（事故）；（飞机的） 坠毁；撞击声；爆裂声crash into撞击；crash down朝下猛撞（2）crashed adj.失事的，坠毁的即时跟踪完成句子（1）汽车突然撞在一块大石头上并燃烧起来。The car crashed into a big stone a

9、nd burst into flames.（2）许多旅客在这起火车相撞事故中丧生了。A lot of passengers were killed in the train crash.（3）大雨过后，岩石滚落到下面的公路上。After the heavy rain，the rocks crashed down on to the road below.2.climate（1）（教材P29）Since the last ice age，the climate of the earth has not changed very much.自从上次的冰川时代以来，地球气候就没有太多变化。（2）It

10、s a beautiful city with pleasant climate.这是个美丽的城市，气候宜人。（3）The weather forecast is for probable showers.天气预报说可能有阵雨。易混辨析climate，weather（1）climate n.气候，指的是从较长时间范围来看，某地区的有规律性的天气情况，包括干旱、湿润、温度、凉爽等；可以用不定冠词修饰，如：a cold climate寒冷的气候。（2）weather n.天气，指的是短期内的天气情况，如阴晴、降水、气温、风力、风向等；不可用不定冠词修饰。（1）选词填空Oats（燕麦） mainly

11、 grow in cool climate.He does not wear a coat in spite of the cool weather.（2）单句改错It is absurd to go out in such a terrible weather.3.pull（1）（教材P30）As the rocket rose into the air，we were pushed back into our seats because we were trying to escape the pull of the earths gravity.随着火箭升空，由于我们在努力挣脱地球的引力

12、，我们被向后推在座位上。（2）I noticed that she pulled her son gently towards her.我注意到她把儿子轻轻地拉到身边。（3）He pulled in at the side of the road.他驶向路边停了下来。（4）Dad pulled out a pressure cooker and filled it up with cabbages，eggplants，potatoes，corns，onions and carrots.（2015四川）爸爸拿出一个高压锅，在里面装满了卷心菜、茄子、土豆、玉米、洋葱和胡萝卜。pull n.&vt.

13、拉 力 ；pull down拆毁，拆掉 建筑物 pull in进站停靠；驶向路边 或某处 停靠,pull off脱下 衣、帽等 ，拿下；成功做 困难的事 ； 车等 驶离大路进入小路pull out拿出，取出；离站； 使 摆脱困境pull through恢复健康；渡过难关pull up 使车 停住，停下 图解助记 （1）用适当的介、副词填空The train has already pulled in，and the passengers are boarding it now.The old warehouse together with some other buildings has be

14、en pulled down.He pulled up/in at the entrance of the cinema.I sat down on the floor and pulled a few books off the shelf at random.（2015天津）His injuries are severe but hes expected to pull.1.block out（1）（教材P29）As a result of this event，a great dust cloud formed in the sky blocking out the sunlight.由

15、于这一事件，一团巨大的尘埃在空中形成，并阻挡了阳光。（2）The gas pipe has been blocked off to prevent escapes.煤气管道已被关闭，以防漏气。（3）Failure blocked his way to success.（2015失败阻挡了他走向成功。block out挡住 光线 ,block off 用路障 封锁，堵住；阻挡,block up塞住，封住 孔；洞 ,block ones way挡住某人的去路（1）你的自行车挡了我的路，请你移开点好吗？Your bike has blocked my way；could you please mov

16、e it away?（2）如果阳光被挡住，衣服晾干就会花费较长时间。If the sunlight is blocked out, it will take more time for the clothes to dry.（3）我鼻塞了，透不过气来。My nose is blocked up and I can hardly breathe.2.cheer up（1）（教材P31）I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become s

17、maller and the moon larger.我立刻感到很高兴，由于失重我在太空舱里飘来飘去，我望着（身后的）地球越来越小，而（前方的）月球越来越大。（2）I tried to cheer her up by telling her the good news.我把这个好消息告诉了她，想使她高兴起来。（3）She did her best to cheer him on when he was about to give up.当他快要放弃时她尽全力鼓励他。cheer sb. up 使某人 感到高兴cheer sb.on为某人加油 图解助记（1）用cheer的正确形式填空The che

18、ering news made the boy cheerful，which made his parents cheer up，too.The cheerful girl always wears a sweet smile on her face.“！ Congratulations on your success！”3.break out（1）（教材P31）We watched，amazed as fire broke out on the outside of the spaceship as the earths gravity increased.我们惊奇地看着，随着地球引力的增加

19、，宇宙飞船的外层燃烧起火。（2）Police were called in to break up the meeting.出动了警察将集会驱散。（3）She broke in with some ideas of her own while we were chatting.我们聊天的时候，她插嘴说了一些自己的看法。break out突发；break up解散；打碎break away from.脱离break down打破；出故障； 精神、身体 垮掉break in闯入 行窃 ；插话break into强行进入 某处 ；突然开始 大笑、欢呼等 注意：break out，take place

20、，happen等动词及动词短语有两个共同点：（1）终止性不用于进行时；（2）不及物不用于被动语态。（1）完成句子 他闯进我家偷了我的钱。He broke into my house and stole my money.一旦你入了他们的伙，你就永远不能脱离他们。Once you join them，you can never break away from them.如果你继续像那样工作的话，你迟早会累垮的。If you go on working like that，you will break down sooner or later.It was reported that a viol

21、ent earthquake broke in Japan.4.watch out for（1）We have to watch out for fast traffic along here.这里来往的车辆开得很快，我们必须小心。（2）Watch out！There is a car coming!注意！有辆车开过来了！（3）The lifeguard was keeping a watch on the children playing in the pool.救生员守望着在水池里玩耍的孩子们。watch out for 小心，当心；提防；密切注意watch over照看；看守keep a

22、 watch on守望；注视（1）他外出期间，我照管他的房子。I watched over his house while he was out.（2）警告乘客当心小偷。The passengers were warned to watch out for thieves.1.“asadj.a/ann.as.”结构（1）（教材P31）When we get closer to the moon，we shall feel its gravity pulling us，but it will not be as strong a pull as the earths.当我们更接近月球时，就会感到

23、月球的引力在拉我们，但是，月球的引力不像地球的引力那么大。（2）His bedroom is not as/so neat as his elder sisters.他的卧室没有他姐姐的整洁。（3）Youve made as many mistakes as I have.你犯的错误和我犯的一样多。asadj.a/ann.as.像一样的asadj./adv.as.像一样not so/asadj./adv.as.不如那样和一样多（1）他跟班上其他任何一个同学一样，是个勤奋的学生。He is as hardworking a student as anyone else in his class.

24、（2）这本字典不如你想象的那样有用。This dictionary is not as/so useful as you think.（3）你的包和我的一样贵。Your bag is as expensive as mine.（4）她花掉的钱和你花掉的一样多。She spent as much money as you.2.倍数表达法（1）（教材P31）But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.而当我试着向前迈步的时候，我发觉我被送出去很远，

25、步子的跨度竟是在地球上的两倍，因而我摔倒了。（2）He can run twice as fast as you.他跑得是你跑得两倍快。（3）The playground is three times what it used to be.操场是过去的3倍大。倍数的表达方式： 1 倍数as.as. 2 倍数比较级than. 3 倍数the size/height/length/width.of. 4 倍数what从句 5 倍数that of. 即时跟踪（1）完成句子今年的产量是去年的两倍。The production of this year is twice that of last yea

26、r.地球的大小是月球的49倍。The earth is 49 times the size of the moon.（2）一句多译这把尺子是那把尺子的三倍长。This ruler is three times as long as that one.This ruler is three times the length of that one.This ruler is three times that of that one.This ruler is twice longer than that one.3.now that引导原因状语从句 （1）（教材P31）“Oh dear，” I

27、cried，“walking does need a bit of practice now that gravity has changed.”“天哪，”我大声说，“重力改变了，看来走路也的确需要练一练了。（2）Now （that） you have grown up，you should not rely on your parents.既然你长大了，就不应该依靠你的父母了。now that既然，引导原因状语从句，相当于since。在口语中that可以省去。就像although/though不能与but连用，because不能与so连用一样，当now that引导的从句表示原因时，主句前不

28、能加so。易混辨析now that，because，since，as，for（1）now that说明已经成为事实的原因，常意为“既然”。（2）because语气最强，常用于回答why引起的问句，表示直接的或为人所不知的原因。（3）since表示间接附带的众所周知的原因，意为“既然”，常放在句首。（4）as表示一种明显的、已知的理由，意为“由于”。（5）for是并列连词，表示推断的或附加的理由，是对已发生情况的补充说明，不表直接的原因，语气较弱。既然天气那么好，我们去野餐吧。Now （that） the weather is fine，lets go for a picnic.你为什么这么做？因为这对我们所有人都有好处。Why did you do this?Because it is good for all of us.It must have rained last night the ground is wet.Now that you are ready，so we can go now.单句语法填空1.“Im sor