1、Period TwoLearning about Language & Using Language.单词检测1.biology n.生物学biologist n.生物学家2.gravity n.万有引力；重力3.satellite n.卫星；人造卫星4.gentle adj.温和的；文雅的5.physicist n.物理学家physics n.物理学6.climate n.气候7.crash vi.&vt.碰撞；坠落8.spaceship n.宇宙飞船9.pull n.&vt.拉(力)；拖；牵引力10.float vt.&vi.(使)浮动；(使)漂浮；n.漂浮物.短语检测1.as a res
2、ult结果2.block out 挡住(光线)3.crash into 撞击；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 disa
3、ppeared.2.Match the ways in which weight 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 e
4、arth when they were traveling in the spaceship.(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
5、of the moonB.the gravity that I felt on 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 change times.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
6、 the rocket rising into the air，we were 1.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
7、 on the moonWe weigh 5.less than on the earth.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.
8、frightening because fire broke out on the 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
9、一颗彗星撞到地球上，这导致了恐龙的灭绝。(2)Her best friend was 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.& vt.碰撞；坠落；n.相撞(事故)；(飞机的) 坠毁；撞击声；爆裂声crash into撞击；撞入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
10、突然撞在一块大石头上并燃烧起来。The car crashed into a big stone and 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语境感悟(1)(教材P29)Since the last ice age，the climate of the earth h
11、as 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)Its 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
12、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。即时跟踪(1)选词填空Oats(燕麦) mainly 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语境感悟(1)(教材P30)As the rocket rose into the air，we were pushed back into our seats because we were trying
13、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，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 c
14、arrots.(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。归纳拓展pull n.& vt.拉(力)；拖；牵引力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 即时跟踪(1)用适当的介、副词填空The train has already pulled in，and the passengers are
15、 boarding it now.The old warehouse together with some other buildings has been 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)(2)单句改错His injuries are severe but hes expected to pull .1.block out语境感悟(1)(教材P29)As
16、 a result of this event，a great dust cloud formed in the sky blocking out the sunlight.由于这一事件，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天津)失败阻挡了他走向成功。归纳拓展block out挡住(光线),block off(用路障)封锁，堵住；阻挡,block up塞住，封住(孔；
17、洞),block ones way挡住某人的去路即时跟踪完成句子(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 move 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语境感悟(1)(教材P31)
18、I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller 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 wh
19、en he was about to give up.当他快要放弃时她尽全力鼓励他。归纳拓展cheer (sb.)up (使某人)感到高兴cheer sb.on为某人加油 图解助记即时跟踪(1)用cheer的正确形式填空The cheering news made the boy cheerful，which made his parents cheer up，too.The cheerful girl always wears a sweet smile on her face.(2)单句改错“！ Congratulations on your success！”3.break out语境感
20、悟(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，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。归纳拓展break ou
21、t突发；爆发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，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。即时跟踪(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 neve
22、r 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.(2)单句改错It was reported that a violent earthquake broke in Japan.4.watch out for语境感悟(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!
23、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。归纳拓展watch out (for)小心，当心；提防；密切注意watch over照看；看守keep a watch on守望；注视即时跟踪完成句子(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
24、.“asadj.a/ann.as.”结构语境感悟(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 ha
25、ve.你犯的错误和我犯的一样多。归纳拓展asadj.a/ann.as.像一样的asadj./adv.as.像一样not so/asadj./adv.as.不如那样和一样多即时跟踪完成句子(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.(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
26、你花掉的一样多。She spent as much money as you.2.倍数表达法语境感悟(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，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 b
27、e.操场是过去的3倍大。归纳拓展倍数的表达方式：(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 year.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 a
28、s 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 语境感悟(1)(教材P31)“Oh dear，” I 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)No
29、w (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。归纳拓展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。注意：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
30、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。即时跟踪(1)完成句子既然天气那么好，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.(2)单句改错It must have rain
31、ed last night the ground is wet.Now that you are ready，so we can go now.单句语法填空1.“Im sorry to disturb you，” Webb said gently(gentle).2.As we all know，Qian Xuesen is a famous physicist(physics).3.This is something we have to watch out for.4.It was naughty of you to pull(pull) the cats tail.5.We havent
32、 seen each other since she moved to Australia.选词填空1.That wall blocks out all the light.2.Cheer up! We nearly reached the top of the hill.3.Now that everyone is here，lets begin our meeting.4.The AntiJapanese War broke out in 1937 and it lasted eight years.5.A train crashed into the back of another ne
33、ar the city，killing dozens of people.完成/翻译句子1.北京是我家乡的十倍大。(至少3种表达方式)Beijing is ten times as big as my hometown.Beijing is nine times bigger than my hometown.Beijing is ten times the size of my hometown.Beijing is ten times that of my hometown.2.看过了她的生活状况，我们才知道为什么她需要那么多钱。Now that weve seen how she liv
34、es，we know why she needs so much money.3.这是为什么我们会感到好像没有引力的原因。Thats why we feel as if/as though there were no gravity at all.4.那天一定有位天使在照顾着我。There must have been an angel watching over me that day.5.教室里有不到20个学生。There were less than 20 students in the classroom.课文语法填空Last month，Li Yanping and I made a
35、 trip to the moon 1.in a spaceship.Li told me that the gravity force would change three times.First,2.when we escaped the pull of the earths gravity，we were 3.pushed(push) back into our seats.Closer to the moon，there was 4.less(little) gravity.I 5.cheered(cheer) up immediately and floated 6.weightle
36、ssly(weight) around in our spaceship cabin.On the moon，my weight was less than on the earth.Walking 7.did(do) need a bit of practice now that gravity had changed.After a while I got the hang 8.of it and we began to enjoy 9.ourselves(our).But returning to the earth was very 10.frightening(frighten).W
37、e watched，amazed as fire broke out on the outside of the spaceship. .语境填词A)根据汉语或首字母提示，写出所缺单词1.If steel is heavier than water，why are ships able to float on the sea？(2015浙江)2.The mother was very gentle with her sick baby.3.She explained to me that the gravity(地球引力) would change three times during our
38、 trip.4.The wall crashed(毁损) down and buried 10 passersby.5.The loss of shade trees is already causing a slight change in the worlds climate，and studies show that the loss of oxygengiving trees also leads to air pollution and global warming.(2015陕西)B)填写空白处所需的内容(1个单词)或所提供单词的正确形式6.When we saw the road
39、 blocked(block) with snow，we decided to spend the holiday at home.7.Teaching is as much an art as it is a science.8.Could you tell me when the terrible accident broke out?9.Cherry，a car maker in Anhui Province，sold nearly 700,000 units in 2012，with the total value more than three times what it was i
40、n 2008.10.Working(work) with those scientists from all over the world made me learn a lot.阅读理解AThe plan：turn Mars into a blue world with streams and green fields，and then fill it with creatures (生物) from the earth.This idea may sound like something from a science fiction (科幻小说)，but it is actually be
41、ing taken seriously by many researchers.This suggests the future for the “red planet” will be the main topic for discussion at an international conference hosted by NASA (美国宇航局) this week.Leading researchers as well as science fiction writers will attend the event.“Turning Mars into a little earth h
42、as long been a topic in science fiction，” said Dr Michael Meyer，NASAs senior scientist for astrobiology (太空生物学).“Now，with scientists exploring the reality，we can ask what are the real possibilities of changing Mars.”Most scientists agree that Mars could be turned into a little earth，although much ti
43、me and money would be needed to achieve this goal.But many experts are shocked by the idea.“We are destroying our own world at an unbelievable speed and now we are talking about ruining another planet，” said Paul Murdin from the Institute of Astronomy，Cambridge，UK.Over the past months，scientists hav
44、e become increasingly confident.They will find Martian life forms.Europe and Americas robot explorers have found proof that water，mixed with soil，exists in large amounts on the planet.11.The passage is about .A.Mars supporting lifeB.finding water on the Mars C.a plan turning Mars into a little earth
45、D.the necessity of changing Mars答案C解析主旨大意题。根据文章大意和文章第一段的“The plan：turn Mars into a blue world with streams and green fields，and then fill it with creatures (生物) from the earth.”可知，文章主要介绍了一个把火星变成地球的计划，故选C。12.Those who agree to turn Mars into a little earth .A.are short of confidenceB.will gain the su
46、pport of NASAC.are asking for advice on how to carry it outD.realize that its not easy to achieve their goal答案D解析细节理解题。根据第四段的“Most scientists agree that Mars could be turned into a little earth，although much time and money would be needed to achieve this goal.”可知，同意这项计划的人们认为这个计划不容易实施，故选D。13.Whats Pa
47、ul Murdins attitude to the plan?A.He is for the idea.B.He is active in the idea.C.He is against the idea.D.He doesnt care about it.答案C解析推理判断题。根据第五段的“But many experts are shocked by the idea.We are destroying our own world at an unbelievable speed and now we are talking about ruining another planet，
48、said Paul Murdin from the Institute of Astronomy，Cambridge，UK.”，可知，他反对这个想法，故选C。14.What can we know about the scientists from the last paragraph?A.They have no idea about the plan.B.They will find Martian lives very soon.C.They may achieve their goals some day.D.They have found much proof of Martian
49、lives.答案C解析推理判断题。根据最后一段的“They will find Martian life forms.Europe and Americas robot explorers have found proof that water，mixed with soil，exists in large amounts on the planet.”可知，由于越来越多的证据表明火星上有存在生命的条件，所以将来这个计划有可能实现，故选C。BThere are plenty of reasons that have put sea turtles in danger.Here are some
50、.The sea turtles tend to live in water，but the females come over to lands for nesting.This is the time when they are in the most vulnerable (脆弱的) position.Their nesting areas have been taken over by human settlements and recreation development.This has forced them to search for areas that are less s
51、uitable for nesting.The egg is the first step for a sea turtle to have a chance of life.And this first step of life has become vulnerable in many countries.The sea turtles have no way to protect their eggs.As a result，the poachers (侵入者) have an opportunity to steal their eggs.The sea turtles are cau
52、ght in shrimping vessels (捕虾船) that use nets.The nets can drown these poor creatures.They die，as the nets are not pulled out fast.Gill nets and drilling for oil also trigger habitat destruction and injury to the animal.One female sea turtle can lay hundreds of eggs in one nesting season.These eggs a
53、re preyed on by crabs (螃蟹)，foxes，birds，and humans，as they make their run towards the sea.By the time they reach the shallow water，half of them have been removed by their predators (捕食者) on land and some are eaten up by fish in water.Only a few lucky ones win the battle of survival and live past thei
54、r 1st birthday!The sea turtles take more than a decade to reach maturity.Then they start breeding and adult turtles have to live for many years to maintain the balance of population.However，as mentioned above，the adults face a lot of hardships for surviving.Pollution，long lines of fishing fleets，hig
55、h seas，and even tumors，etc.，all cause death of these massive，beautiful species.15.When sea turtles are nesting，probably .A.they are not afraid of humansB.they usually hide behind big rocksC.they dont have anything to protect themD.they pay no attention to their surroundings答案C解析推理判断题。根据第二段中的“This is
56、 the time when they are in the most vulnerable(脆弱的) position.”可推知，海龟在筑巢时没有什么保护措施。故选C。16.What does the underlined word “trigger” in Paragraph 4 mean?A.Offer. B.Cause.C.Replace. D.Prevent.答案B解析词义猜测题。根据画线词所在句“Gill nets and drilling for oil also trigger habitat destruction and injury to the animal.”可知，这
57、里指这两种因素也会“导致”它们的栖息地受损以及对它们造成伤害。故选B。17.According to Paragraph 5，it is implied that when moving to water，sea turtle babies .A.can easily get lostB.can move very fastC.dont know theyre in dangerD.are hard to survive答案D解析推理判断题。根据第五段中的“Only a few lucky ones win the battle of survival and live past their
58、1st birthday！”可知，幼海龟在通往海里的途中很难存活下来。故选D。.七选五My best friend Eva and I are different in many ways，but we have one important thing in commonwe love to travel.Whenever I want to visit a new place，I can always invite Eva to go with me. 18 19 Eva is an artist who loves to take photographs and draw pictures
59、 of the interesting things she sees.I am a sales manager and spend most of my time calculating numbers.Eva is a very impulsive(冲动的) person，but Im very organized.Shes very quiet，but Im a very talkative person.Eva and I both love traveling. 20 One day we were talking about vacations and we found we ha
60、d both visited many of the same places.We immediately made a plan to go to a nearby historical city the following weekend.Although we are quite different in many ways，Eva and I have become close over the years. 21 Every time we get together，we always have so much to talk about and have the best time
61、. 22 The other reason is that our differences complement(补充) each other，so we always get along well whenever we travel together.A.We always have different opinions.B.Now we have a very special and deep friendship.C.The differences between Eva and me are easy to see.D.We soon forgot our differences a
62、nd were friends again.E.We discovered this shortly after we met several years ago.F.One reason for this is that we share a love of travel and new things.G.Our friendship shows that people who are very different can still have similar interests.答案18.G19.C20.E21.B22.F.微写作写作素材1.恐龙在地球上存活了很长时间。2.它们通过产卵来生
63、幼仔，温暖的气候使他们迅速繁殖。3.可惜，它们未能阻止自己的消失。4.此后人类就开始统治这个地球。提示：黑体部分用本单元词汇表达。补全短文Dinosaurs 23.existed on the earth for a long time.They produced young by 24.laying eggs，and 25.the warm climate helped them 26.multiply quickly.Sadly，they couldnt 27.prevent themselves from disappearing and then it was the turn of the humans to control the earth.