北师大版选修七Unit 20 New Frontiers Communication Workshop学案.docx

unit 20 new frontiers communication workshop学案.重点单词1. n.探测；探险 vt.探测；探险；探索2. adv.向外地 adv.向上地3. n.界线；边界 v.跳跃；限制4. vi.逐渐变弱5. n.现象 n.(pl.)现象6. adj.原始的7. adj.长久的，永久的8. adj.最初的，开始的 adv.最初，首先，开头9. adj.头顶上的10. vt.允许，许可 n.允许，许可11. adj.成熟的 vi.(使)成熟12. vt.按；压 n.压力13. adj.有毒的 n.毒药；毒物14. vt.宣告；宣布15. n.移民；殖民者 vt.定居；解决.重点短语1. 的数目2. 下降；减少3. 由于的原因4. 以防；万一 5. 建立，设立；设置；创办6. 由于7. 而不是8. 总之 9. 导致；致使.重点句式1.with复合结构this marked the beginning of the “space race” between the us and the ussr，which ended with the us (put) a man on the moon in 1969.这标志着在美国和前苏联之间开始了“太空竞赛”，这场竞赛到美国于1969年把人送上月球为止。2.so that引导目的状语从句it was launched in 1990 astronomers could observe space without the earths atmosphere being a barrier.它于1990年被送入太空，以便天文学家观测太空时能不受地球大气层的阻碍。3.in case 引导状语从句.so as to research life in space and provide a stepping stone future manned flights are sent out.为的是研究太空生命并为将来发送载人客机提供落脚地。4.as long as 引导条件状语从句. people remain interested，we will keep exploring the world overhead.只要人们仍心存兴趣，我们将会继续探索头顶上的世界。.根据p26课文内容判断正(t)、误(f)1.the moon is the only frontier left to explore for man.()2.the invention of hubble telescope contributes to exploring space further.()3.the successful launch of shenzhou makes a great difference to chinas manned space programme.()4.a permanent base has been set up on the moon.()5.the space exploration has been about 60 years.().根据p26课文内容，选出最佳答案1.human began to explore space in .a.1957 b.1961c.1969 d.19902.the “space race” between the us and the ussr ended with .a.the first manned flightb.the moon landingc.the launch of sputnik 1d.the invention of hubble telescope3.human first set foot on the moon in .a.1957 b.1961 c.1969 d.19904.chinas manned space programme began with the launch.a.sputnik 1b.shenzhou c.dongfanghong 1 satellited.shenzhou 5.chinas contribution to international space exploration started with the successful launch of .a.dongfanghong 1 satelliteb.sputnik 1 satellitec.shenzhou d.shenzhou 重点词汇1.after this，interest faded and the number of manned flights dropped off.自那以后，(探索太空的)兴趣减弱了，载人飞行的次数也逐渐减少。归纳拓展1fade vi.逐渐变弱fade out(声音、景象)渐渐消失；使渐渐消失；淡出fade away消失；褪色语境助记1(1)all memory of her childhood has faded from her mind.她对童年的一切记忆逐渐从脑海中消逝了。(2)the lights and music faded out as we set sail from the harbor.当我们从海港起航时，光线逐渐变暗，音乐声逐渐减弱。(3)his anger faded away.他的怒气渐渐消失了。题组训练1完成句子(1)这颜色会逐渐褪掉的。the colour little by little.(2)在这个场景的末尾把音乐逐渐减弱。 the music at the end of the scene.归纳拓展2“the number of可数名词复数”表示“的数目”，作主语时，谓语动词用单数；“a number of可数名词复数”表示“大量的”，作主语时，谓语动词用复数。语境助记2(1)the number of smokers，as is reported，has dropped by 17 percent in just one year.(2015江苏)据报道，吸烟者的数量仅在一年内就下降了17%。(2)there are a number of other reasons that might explain why you want to garden.(2016全国)有很多其他理由可以解释你想从事园艺的原因。题组训练2(1)用所给动词的正确形式填空a large number of students in our school (be) from the countryside；the number (grow) all these years.(2)单句改错the number of students in our school have grown from 1,000 to more than 1,500 till now.归纳拓展3drop off下降；减少；打盹；顺便把送到某处drop out (of.)(从)辍学；退出；脱离drop away逐渐下降；减少drop in (on.)顺便拜访语境助记3(1)traffic in the town has dropped off since the bypass opened.这条旁道通车后，城里来往的车辆就少了。(2)ill drop you off on my way home.我回家路上顺道送你吧。(3)he had to drop out of the race because of injury.由于受伤他不得不退出比赛。(4)sales have dropped away in recent months.近几个月来，销售额有所下降。题组训练3用适当的介、副词填空(1)i dropped and missed the end of the film.(2)james started an engineering degree but dropped after only a year.(3)i thought id drop in you while i was passing.2.recently there has been another burst of interest in space as a result of the hubble telescope.最近，由于哈勃望远镜的发明，人们对探索太空的兴趣进入了另一个高潮。归纳拓展as a result of由于的原因as a result结果，因此(后接结果状语)result from.因而引起(后接原因)result in导致；致使(后接结果)语境助记(1)he was late as a result of the traffic jam.he was caught in the traffic jam；as a result，he was late.由于交通堵塞，他迟到了。(2)his illness resulted from eating bad food.eating bad food resulted in his illness.他的病由吃了变质的食物引起。题组训练(1)用适当的介词填空the accident resulted the death of two passengers.these problems resulted errors made in the past.as a result failure, he committed suicide.(2)句型转换his carelessness resulted in the accident.the accident his carelessness.the accident occurred his carelessness.3.in case future manned flights are sent out.以防未来载人飞行的实施。归纳拓展in case以防；假如，万一in case of (n./pron.)如果；万一in any case无论如何，总之in no case决不(置于句首时，句子用部分倒装)in this/that case如果这样/那样的话语境助记(1)it was considerate of michael to inform us of his delay in case we got worried.(2015福建)michael通知我们他要迟一会儿以防我们担心，想得真周到。(2)it may not rain，but you had better take an umbrella in case.可能不会下雨，但是你最好还是带把伞，以防万一。(3)in case of fire，ring the alarm bell，please.如有火灾，请按警铃。题组训练(1)完成句子 (无论如何) you must arrive there on time.in no case (我们放弃尝试). (如果那样的话)，i wont be for you.(2)用in case，in case of填空leave your key with your neighbor you lock yourself out one day.seat belts protect drivers and passengers accident.(3)单句改错we have an auxiliary(辅助的) generator in case power cuts.4.the next step will be to send astronauts into the earths orbit in order to set up space stations to conduct experiments.接下来要做的就是将宇航员送入地球轨道来建立空间站进行实验。归纳拓展set up建立，设立；设置；创办set about doing sth.着手做某事set off出发，动身，启程；使爆炸；引发，激起set out (to do sth.)出发；开始(做某事)语境助记(1)road blocks were set up by the police to catch the escaped prisoner.警察为抓逃犯而设置了路障。(2)mary set about doing her homework after supper.晚饭后，玛丽开始做家庭作业。(3)we set off for london just after ten.刚过十点，我们就动身去伦敦了。(4)we will set out to clean the house this morning.我们要在今天早晨开始打扫房子。题组训练用适当的介、副词填空(1)depending on the kind of race you plan to enter，you can set a timetable for the remaining weeks before the race.(2015全国)(2)armed with the information you have gathered，you can set preparing your business plan.(3)we set to paint the whole house but finished only the front part that day.5.you are not permitted to work if you are on a student visa.如果你所持的是学生签证，你就不会被允许工作。归纳拓展(1)permit vt.允许，许可；n.许可证permit sb.to do sth.允许某人做某事permit doing sth.允许做某事(2)permission n.允许，许可without permission未经许可语境助记(1)would you permit me to use your digital camera now?你允许我现在用一下你的数码相机吗？(2)we dont permit smoking in the office.在我们办公室不准吸烟。(3)time permitting，ill go to meet you.if time permits, ill go to meet you.时间允许的话，我会去见你。题组训练用所给动词的正确形式填空(1)the rules of the school do not permit (park) near the school gate.(2)weather (permit), we will set off for the warehouse for some bargains.(3)students living in buildings that have kitchens are only permitted (cook) in the kitchen.(2015天津)(4)you cant stay here without (permit).6.i havent actually pressed the button.实际上，我没有按下按钮归纳拓展press vt.& vi.按；压；逼迫；压碎press sb.to do sth./into doing sth.强求某人做某事press sb.for.强迫某人给予press.on.把强加于press through挤过press.against.把贴在/压在上语境助记(1)if you press the button，the machine will start.你按这按钮的话，机器就会发动。(2)she pressed grapes to make grape juice.她压榨葡萄来做葡萄汁。(3)the bank is pressing us for repayment for loan.银行正在催我们还贷款。题组训练(1)用适当的介词填空bill kept his back pressed flat the wall.he likes to press his own ideas others.he pressed the crowd.(2)用所给动词的正确形式填空they are pressing us (make) a quick decision.my mother pressed me into (do) my homework.7.nasa declared that a rock from mars proved.nasa宣布来自火星的岩石证明归纳拓展(1)declare vt.宣告；宣布declare war on对宣战declare for/against声明赞成/反对(2)declaration n.宣告，声明语境助记(1)a state of emergency has been declared.已宣布进入紧急状态。(2)it was in 1941 that the us declared war on japan.美国是1941年对日宣战的。易混辨析declare，announce(1)declare常指清楚地、有力地、公开地让人知道，如公开宣布战争、和平、中立、意见等。(2)announce指把人们关心或感兴趣的事正式公布于众，常含有预告的意思；常用于句型it is announced that.。题组训练(1)用declare，announce的正确形式填空when do we victory?please remain seated！the winner of the prize soon.(2)单句语法填空only a month earlier，mr stenholm had declared the tax cut.it was the year when britain declared war germany.it (declare) already that the contract is illegal.the (declare) was published in august 1687.8.this invention made it much quicker and easier to reproduce written work and led to the first ever mass-production of books and literature.这项发明使得复制作品变得更省时、省力，从而实现了书籍和文学作品的首次批量生产。归纳拓展lead to导致；通向，通往lead sb.to do sth.导致/促使某人做某事lead a.life过着的生活语境助记(1)studying babies play may lead to a better understanding of science.(2016浙江)研究孩子们的玩耍可以让人们更好地了解科学。(2)in addition，it may lead to a lot of worries.另外，它还可能带来很多烦恼。(3)i wish to lead a rustic life in the french countryside.我想在法国乡村过一种田园生活。题组训练(1)完成句子因此，你怎样才能让闲聊带来新的友谊或工作呢？(2015安徽)so，how can you make small talk a new friendship or job?频繁发生的地震使得那一家人搬到了更加安全的地方。the frequent earthquakes a safer place.(2)单句改错what led you to taking up acting as a career?经典句式1.this marked the beginning of the “space race” between the us and the ussr，which ended with the us putting a man on the moon in 1969.这标志着在美国和前苏联之间开始了“太空竞赛”，这场竞赛到美国于1969年把人送上月球为止。归纳拓展with the us putting a man.是“with宾语宾补”构成的with复合结构，此结构在句中可作状语，也可作定语。本句是“with宾语现在分词”构成的复合结构作状语。with复合结构的其他构成方法：(1)with宾语介词短语(2)with宾语形容词(3)with宾语副词(4)with宾语现在分词(5)with宾语过去分词(6)with宾语动词不定式语境助记(1)the teacher entered the classroom with a book in his hand.老师手里拿着一本书进了教室。(2)i fell asleep with the light on.我开着灯睡着了。(3)they were singing and dancing，with the fire burning in the middle.他们围着燃烧的篝火又唱又跳。(4)they went home，with the work unfinished.他们没完成工作就回家了。(5)i am sure to make great progress with the teacher to help me.有老师帮助我，我一定能取得很大的进步。题组训练(1)用所给词的正确形式填空the old couple often take a walk after supper in the park with their pet dog (follow) them.the living room is clean and tidy，with a dining table already (lay) for a meal to be cooked.i cant go out with all these clothes (wash).(2)完成句子不要满嘴食物的说话。dont speak .她含着眼泪说了声再见。she said good-bye .2.as long as people remain interested，we will keep exploring the world overhead.只要人们仍心存兴趣，我们将会继续探索头顶上的世界。归纳拓展as long as(1)起连词作用，引导条件状语从句，可与so long as互换，意为“只要”。so long as语气较强，而as long as多用于口语中。(2)用于同级比较句型，意为“和一样长”。(3)用于表示程度，意为“长达”。语境助记(1)as long as there have been codes，people have tried to break them.(2016全国)只要有密码存在，人们总是千方百计地进行破译。(2)this rope is as long as that one.这根绳子和那根一样长。(3)i have been waiting here as long as 2 hours.我在这里已经等了两个小时了。题组训练完成句子(1)只要你坚持练习，你就不会觉得剪纸难了。(2015北京)you wont find paper cutting difficult you keep practicing it.(2)这根绳子长达20米。this rope is 20 metres.(3)你可以借用我的车子只要你承诺不开太快。you can borrow my car you promise not to drive too fast.单词拼写1.the yangtze river is a natural (屏障) to the northeast.2.upon hearing his words，my (最初的) reaction was to decline the offer.3.the incident left p traces(印象) on his mind.4.the river is the b between the two countries.5.i bought a model of the eiffel tower as a s of paris.6.he p the juice out of the fruits.7.the laughter f when they saw the teacher coming.8.time does not p me to stay here any longer.9.there is a natural (现象)that scientists call the “greenhouse effect”.10.youd better not pick those tomatoestheyre not (成熟的) yet.选词填空11.business sharply during the recession.12.a poor diet will ultimately illness.13.i will say a few words about my visit to tokyo.14.the traffic jam of last weak the bad weather.15.in september 1939，britain germany after germany invaded poland.完成句子16.他们相信下次只要我更加努力学习我就能成功。they believe i can succeed next time .17.以防我忘记，请提醒我一下。 ，please remind me.18.他没计划好时间，结果没及时完成工作。he didnt plan his time well， .19.很多人申请了这份工作。 applied for the job.20.你不知道在脚伤得那么厉害的情况下，她是怎样完成接力赛的。you have no idea how she finished the relay race so much.课文语法填空by the beginning of the 21st century，almost all of planet earth 21. (visit)，described and mapped.now we are looking outwards at the only frontier left 22. (explore)space.the age of space exploration began in 1957.sputnik 1 and yuri gagarins going into space 23. (mark) the beginning of the “space race” between the us and the ussr.after the hubble telescope 24. (invent)，another burst of interest in space was aroused.more planets are discovered.the international space station is now 25. (build) in the earths orbit so as 26. (research) life in space.we are only really in the initial stages of exploring space 27. we have come a long way 28. learning that the earth is not flat and 29. (spin) in an oval-shaped orbit 30. the sun.答案精析基础自测.1.exploration；explore2.outwards；upwards3.boundary；bound4.fade5.phenomenon；phenomena6.primitive7.permanent8.initial；initially9.overhead10.permit；permission11.ripe；ripen12.press；pressure13.poisonous；poison14.declare15.settler；settl