2020版北师大版高考英语一轮课件：选修7 预习案 Unit 20 New Frontiers

《2020版北师大版高考英语一轮课件：选修7 预习案 Unit 20 New Frontiers》由会员分享，可在线阅读，更多相关《2020版北师大版高考英语一轮课件：选修7 预习案 Unit 20 New Frontiers（26页珍藏版）》请在七七文库上搜索。

1、Unit 20 New Frontiers,-2-,必背表达单词写作信手拈来 software n. 软件 mass n. 质量,物质 assist vt. 帮助;协助 technical adj. 技术上的 latter n. 后者 click vi. 点击 handy adj. 方便使用的 shortly adv. 不久;很快 download vt. 下载 update vt. 更新 stainless adj. 无污迹的 stain n. 污点;污迹 worn adj. 磨损的,-3-,starvation n. 饥饿 welfare n. 福利 conflict n. 冲突,争执 e

2、quality n. 平等 cell n. 细胞 assess vt. 评估;评价 dawn n. 拂晓;开端 specialist n. 专家 present vt. 主持(电视或广播节目);呈现 category n. 类别,类型 creator n. 创造者 official n. 官员 colleague n. 同事,同僚 rescue vt. 拯救;救援,-4-,exit n. 出口 disconnect v. 使不连接;切断 instructor n. 教练;指导者 dilemma n. 困境;进退两难的窘境 microscope n. 显微镜 procedure n. 程序;步骤

3、 organ n. 器官 donate vt. 捐赠;赠送 meanwhile adv. 同时 split vt. 分离;分开 outspoken adj. 坦率的,直言的 outcome n. 结果,后果 cure vt. 治愈,-5-,navy n. 海军 wrestle vi. 努力解决;摔跤;搏斗 patent n. 专利 jet n. 喷气式 exploration n. 探测;探险 ancestor n. 祖先;祖宗 outwards adv. 向外地 fade vi. 逐渐变弱 barrier n. 障碍;屏障 phenomenon n. 现象 permanent adj. 长久

4、的;永久的 headline n. 大标题 initial adj. 开始的;最初的 spin vi. 旋转,-6-,overhead adj. 头顶上的 permit vt. 许可,允许 sneeze vi. 打喷嚏 sniff v. 嗅;闻 porridge n. 麦片粥 ripe adj. 成熟的 melon n. 瓜,甜瓜 ripen vi. (使)成熟 press vt. 压;按 socket n. 插座 shaver n. 电动剃须刀;(口)小伙子,-7-,poisonous adj. 有毒的 carbon dioxide n. 二氧化碳 poison n. 毒药;毒物 canal

5、 n. 运河 declare vt. 宣布,宣告 souvenir n. 纪念品 settler n. 移民;殖民者,-8-,识记阅读单词读文理解通畅 algebra n. 代数 geometry n. 几何 bacteria n. 细菌 radiation n. 辐射,放射 radium n. 镭 radioactive adj. 放射性的 shuttle n. 航天飞机 crew n. 全体机组人员 recreation n. 娱乐;消遣 futurology n. 未来学 seminar n. 研讨会,-9-,enterprise n. 企业;事业 garment n. 衣服 discr

6、imination n. 歧视;识别力 database n. 数据库,资料库 electronic adj. 电子的 digital adj. 数字式的 autonomous adj. 自治的;自主的 programmer n. 电脑程序编制员 original adj. 起初的;最早的 operational adj. 工作着的;即可使用的 correspond vi. 符合;通信,-10-,premier adj. 最重要的 telescope n. 望远镜 mist n. 薄雾 circuit n. 电路 microwave n. 微波炉 dot n. 小圆点 boundary n.

7、边界;界线 primitive adj. 原始的 orbit n. 轨道 walnut n. 胡桃,-11-,语用规律归纳 1.以前缀“dis-”开头的单词小结 (1)disconnect v. 使不连接;切断 (2)disapprove v. 不赞成;不同意 (3)disagree v. 不同意 (4)discourage v. 使泄气 (5)disabled adj. 残疾的 (6)discover v. 发现 (7)dishonest adj. 不诚实的 (8)dissatisfactory adj. 不满意的 (9)discomfort v. 使不舒服 (10)disbelieve v

8、. 不信;怀疑,-12-,2.以后缀“-ous”结尾的形容词 (1)danger n. 危险dangerous adj. 危险的 (2)poison n. 毒药;毒害poisonous adj. 有毒的 (3)generosity n. 慷慨;大方generous adj. 慷慨的;大方的 (4)humour n. 幽默humorous adj. 幽默的 (5)mountain n. 山mountainous adj. 多山的 (6)glory n. 荣耀;光荣glorious adj. 光荣的 (7)continue v. 继续continuous adj. 连续的 (8)vary v. 变

9、化various adj. 各种各样的 (9)courage n. 勇气courageous adj. 有胆量的;勇敢的 (10)nerve n. 神经nervous adj. 紧张的,-13-,构织连脉词族 1.radiate v. 辐射; 放射radiation n. 辐射; 放射radioactive adj. 辐射性的 2.assist vt. 帮助,协助assistant n. 助手,助理 3.technology n. 技术technological adj. 技术的,工艺的technical adj. 技术上的 4.starve v. 挨饿starvation n. 饥饿 5.e

10、lectricity n. 电electronic adj. 电子的 6.programme n. 程序,节目programmer n. 电脑程序编制员programmatic adj. 计划性的,节目的 7.origin n. 起源;起因;由来;出身original adj. 起初的;最早的originally adv. 起初,原来;独创地,-14-,8.operate v. 操作;手术operator n. 操作员,经营者,行家operation n. 手术;操作operational adj. 工作着的,即可使用的 9.instruct vt. 教;命令;教导instructor n.

11、教师,指导员,讲师instructive adj. 有教育意义的,教育性的instruction n. 指示;教育;用法说明 10.donate vt. 捐赠;赠送donation n. 捐赠;赠送donor n. 捐赠者 11.permanent adj. 永久的,固定的,不变的permanently adv. 永久地,固定地,不变地permanence n. 永久,持久 12.permit vt. 允许,许可permission n. 许可,允许,同意 13.poison n. 毒药;毒物 vt. 毒害poisonous adj. 有毒的 14.declare vt. 宣告,宣布decla

12、ration n. 宣告,宣布,-15-,语境活用 1.The employees have been in conflict (冲突) with the boss about welfare (福利). 2.She discussed to apply her patent(专利) with some of her colleagues(同事). 3.As with fighting against these new bacteria(细菌),researchers are now in a dilemma(进退两难的境地). 4.The hotel is near a market an

13、d its very handy (方便的) getting all kinds of souvenirs (纪念品) of Paris. 5.After the hostage had been rescued (rescue),he got a lot of donations (donate) from different parts of the city.,-16-,1.range from.to.在从到范围内 2.worn out 用坏,穿破;疲惫不堪的 3.in conflict with 和冲突(不一致) 4.use up 用完 5.wrestle with sth努力解决难以

14、处理的事情 6.single out 单独挑出来 7.drop off 减少,下降;让下车 8.be in a dilemma 处于进退两难的窘境 9.give away 泄露(机密);捐赠 10.take over 接收,接管,-17-,语境活用 用上面的短语填空 1.Mum,look at my shoes.They are worn out.Could I buy a new pair? 2.Michael,we are using up salt.Please buy some on your way home from work. 3.Some people are afraid t

15、hat one day computers might take over our planet where we human beings serve computers. 4.Telling others about that means that you are giving away the secret of our company. 5.Thank you for giving me a lift.You can just drop me off at the railway station.,-18-,语用规律归纳 1.“动词+over”构成的短语 (1)get over 克服;

16、熬过 (2)turn over 翻过来;随便翻翻 (3)go over 复习;过一遍 (4)trip over 绊倒 (5)look over 检查;从看过去 (6)take over接管,接收 (7)come over过来 (8)switch over转换;换频道,-19-,2.“动词+away”构成的短语 (1)give away 赠送;分发;泄漏 (2)turn away 转过去;转移 (3)get away 逃脱 (4)put away把收起来;放好 (5)break away from摆脱 (6)go away离开;停止,-20-,领悟教材语境 1.Some like to read

17、 fantasy stories and imagine what the world will be like in 10,50 or even 1,000 years time.Others write about the future themselves.(Page 20) 有些人喜欢阅读幻想故事,想象世界在10年,50年甚至1,000年内会变成什么样。另外一些人则自己描述未来。 考点提炼some.,others.表示“一些(人);另一些(人)”。,-21-,2.It measured 100 feet long by over 10 feet high and weighed ove

18、r 30 tonnes.(Page 25) 它长100英尺,高10多英尺,重30多吨。 考点提炼Sth/Sb measures/weighs.表示“某人/物量得/重”。 3.There is no doubt about it.(Page 25) 关于这一点是毫无疑问的。 考点提炼There is no doubt about sth表达“对某事毫无疑问,不用怀疑”。,-22-,高考写作情景 1.有些人开车去上班,另一些人则喜欢步行上班。 Some people drive to work.Others prefer to go to work on foot. 2.关于这些事实是毫无疑问的。

19、 There is no doubt about these facts. 3.这个箱子长2米,宽1米。 This box measures two metres long and one metre wide.,-23-,话题与语法填空 People have always wondered about the future.They have always been concerned about the future by reading fantasy 1.stories(story)and writing science fiction novels.Some think about

20、 the future for fun but futurologists plan the future of the world for 2. a living.Here is 3.what a few futurologists are predicting.In the next few years,we will use our voices 4.to give(give)instructions to computers.By the year 2015,our clothes will be able to remain 5.stainless(stain)and never g

21、et old and worn.By the year 2025,there will be no 6. starvation (starve)and conflicts;people will live together in peace and,-24-,7.equality(equal).By the year 2030,development in biochemistry and medical science will make us live for at 8.least(little)150 years.By the middle of the century,we will

22、have developed computers 9.which/that are millions of times smarter than us,and electronic humans.By the end of the century,we will have discovered other places 10.suitable(suit)for living and ways to go further into space. Join in the discussion about the futureit is the dawn of a new world.,-25-,-26-,