2021版新高考英语一轮复习 Unit 20 New Frontiers学案 北师大版

Unit 20 New Frontiers一、语基必备知识(一)重点词汇分类记忆.阅读词汇知其意1software n软件2crew n. 全体机组人员3garment n. 衣服4welfare n. 福利5conflict n. 争执；冲突6digital adj. 数字式的7official n. 官员8colleague n. 同事，同僚9recreation n. 消遣；娱乐10patent n. 专利11boundary n. 界线；边界12phenomenon n. 现象13headline n. 大标题14sneeze vi. 打喷嚏15autonomous adj. 自主的；自治的.核心词汇写其形1handy adj. 方便使用的2download vt. 下载3update vt. 更新4rescue vt. 拯救，救援5disconnect v. 使不连接；切断6original adj. 起初的；最早的7procedure n. 步骤；程序8correspond vi. 通信；符合9meanwhile adv. 同时10outcome n. 后果，结果11cure vt. 治愈12wrestle vi. 努力解决；摔跤；搏斗13fade vi. 逐渐变弱14press vt. 按；压15dilemma n. 困境，进退两难的窘境.拓展词汇通其变1assist vt.帮助；协助assistance n帮助；协助assistant n助手；助理2technical adj.技术上的technique n技术3latter n后者late adj.迟的lately adv.最近4starvation n饥饿starve v挨饿5equality n平等equal adj.平等的v.等于equally adv.平等地；同样地6assess vt.评估；评价assessment n评价；评估7donate vt.捐赠；赠送donation n捐赠；赠送donator n捐赠者8permanent adj.长久的，永久的permanently adv.永久地9permit vt.允许，许可permission n允许；准许10poisonous adj.有毒的poison n毒药；毒物11declare vt.宣告；宣布declaration n宣布12exploration n探测；探险explore v探险；考察；勘查explorer n探险家；勘探者13settler n移民；殖民者settle vt.定居；解决settlement n定居；解决14instructor n指导者；教练instruct vt.指导 instruction n指示，命令；用法说明1.“时间”相关词一览temporary adj.暂时的permanent adj. 永久的instant n& adj. 紧迫(的)interval n. 间隔，间歇punctual adj. 守时的timely adj. 及时的2.“通信”用语集锦letter n信件e­mail n. 电子邮件receive v. 收到(来信)reply n. 回复(信件)hear from 收到来信write to 给写信3.特殊名词复数变化phenomenon n(pl.phenomena)现象medium n(pl.media) 媒体bacterium n(pl.bacteria) 细菌mouse n(pl.mice) 老鼠datum n(pl.data) 数据basis n(pl.bases) 基础(二)重点短语记牢用活1in_advance提前，预先2take_over 接收，接管3give_away 泄露(秘密)；赠送4shortly_after 不久后5cure_sb.of_sth. 治好某人的疾病；纠正 (某人)的(坏习惯)6come_into_conflict 发生冲突7click_into 点击进入8drop_off 下降9rather_than 而不是10in_conclusion 总之11not_to_mention 更不用说12figure_out 想出；理解；计算出13get_across 使理解，把讲清楚14be_dedicated_to 致力于；献身于15make_up_for 弥补1.“v.away”短语团聚drive away赶走；驱赶put away 收好，放好turn away 转过脸去；避开give away 赠送；泄露；出卖break away 脱离；摆脱die away (声音、风、光线 等)慢慢变弱2.rather相关短语一览or rather更确切地说would rather 宁愿rather than 而不是not.but rather. 不是相反 (而是)rather too 稍微，一点3.走进“beadj.to”短语圈be addicted to对上瘾be accessible to 容易接近， 易到达be equal to 与相等be familiar to 被熟知be sensitive to 对敏感be dedicated to 致力于；献身于(三)重点句式背熟巧用句型公式教材原句句型1：“by时间点”常与完成时连用By_the_year_2030,_development in biochemistry and medical science will_have_made it theoretically possible for us to live for at least 150 years.到2030年，生物化学与医学科学的发展将使人类至少活到150岁在理论上成为可能。句型2：be doing.when.正在做这时In the summer of 1905，this outspoken young man was_rocking his one­year­old baby when he was suddenly inspired.1905年的夏天，当这个直率的年轻人正在摇晃着自己一岁大的孩子时，灵感突然就来了。句型3：There is no doubt about/that.毫无疑问There_is_no_doubt_about it.这毫无疑问。二、语境强化训练.语境填词根据提示写出该词的适当形式1The needle treatment dating from the ancient times has cured(治愈) many diseases.2He rescued(营救) the girl regardless of his own life, which set a good example for us.3(2019·江苏卷)This has led companies and individuals to donate(捐款) money to developing countries to buy computer equipment and internet facilities.4We need to hold back global warming and prepare for its outcome(后果)5Besides, the timetable should be updated(更新) according to the progress of our study from time to time.6(2018·全国卷)For just a small donation(donate) you can take a tour with our garden guide.7The workers are trying to apply modern techniques(technical) to this traditional program.8His reason had been permanently(permanent) affected by what he had witnessed. 9I dont encourage people to take photographs like this without permission(permit), but by law we can publish.10The assistant(assist) took the book and checked the price on the back cover.派生词练习用所给词的适当形式填空1He has written a novel consisting of two parts lately and today he was late for work and left the latter part at home.(late)2Many people have donated to the poor boy before and now some more people will make a donation to him again.With the donated money, he will live better.(donate)3These explorers are exploring the area for oil now and their exploration began two years ago.(explore)4In winter, many animals will starve to death if they cant find enough food. Last year, about 200 animals died of starvation in this area.(starve)5The assistant will come to your assistance soon and he will assist you with all the work.(assist).选词成篇nothing like; carry out; wres