2020高考英语一轮复习Unit3Inventorsandinventions课件新人教版选修8

1．mercy n．宽恕；仁慈→ merciful adj.宽大的；慈悲的； 仁慈的→ merciless adj.残忍的；无情的 拓 2．convenient adj.便利的；方便的；就近的→ convenience n．方 展 便；便利 单 3．caution n．小心；谨慎→ cautious adj.小心的；谨慎的 词 →__c_au_t_i_o_u_sl_y___ adv.小心地；谨慎地 4．expect v．预料；期待；期望；认为→ expectation n．预料； 期待；期望
两语 1．科技的发展使得我们的生活更加舒适、方便。 The development of science and technology makes our life more __c_o_m__fo_r_t_a_bl_e_a_n_d__c_o_n_v_e_n_ie_n_t_____. 2．如果非要放弃其中之一的话，我会选择关闭电视而不会关闭手机 或切断网络。
[语境运用] 用所给词的适当形式填空 1．He is a cautious man and is always doing things with caution．You should get on with him cautiously ．(caution) 2．You can visit Professor Li when it is _c_o_n_v_e_n_i_e_n_t _, that is, at his __c_o_n_v_en_i_e_n_c_e____．(convenient) 3．In western countries, the number “thirteen” is usually _a_s_s_o_c_ia_t_e_d_ with bad luck, but actually there isn't any __a_s_s_o_ci_a_ti_o_n_ between them.(associate)
[句式 结构仿写]
教材原句背诵
句式仿写应用
1．so ...that ...引导结果状语从句 她那么努力以至于英语取得了很
The criteria are so strict that it is 大的进步。
difficult to get new ideas accepted She is so hardworking that she has
5． forehead n．额头
6． tap vt.&vi.轻打；轻拍；轻敲
核
n．轻轻地敲击(声)；(水)龙头
心 7． merry adj.愉快的；高兴的
单 8． practical adj.实际的；实践的；实用的 词 9． invaluable adj.无价的；极宝贵的
10． product n．产品
选修八 Unit 3 Inventors and inventions
课前三 言两语
三言 1．The journey to outer space and other planets is not a dream any more. 2．Modern medicine prolongs people's life and relieves patients of sufferings from many diseases. 3．However，the process of scientific development also arouses many severe problems to our human beings.
have something worth thinking to your expectations.
about to occupy your mind.
重难考 点探究
1．distinguish vi.& vt.辨别；显示……的差别；使……有所不同 (1)distinguish between...and...区分/辨别……和…… distinguish...from...把……与……区分开来 (2)distinguished adj.卓越的；著名的；杰出的
[语境运用] 用所给词的适当形式填空 1．In my opinion，only by facing difficulties bravely and seizing (seize) opportunities can one succeed. 2．Your suggestion sounds reasonable and practical (practice)．I think it deserves to be discussed at the next meeting. 3．The country is at peace and the people go merrily (merry)to their work.
[短语 多维应用]
1． call up 给……打电话；使想起 高 2． now and then 偶尔；有时
频
3． dive into 一心投入；迅速把手伸入
短
语 4． ring off 挂断电话 5． hang on 不挂断；稍等；紧紧握住
[语境运用] (填入一个适当的词)
Xiao Ming always dreams of inventing a new mobile phone that doesn't do harm to people's eyes.He dives ① into his dreaming invention after school every day.Now ② and then he calls ③ up to consult his science teacher on some questions.His teacher never rings④ off until Xiao Ming gets a satisfying answer.
真；清白
8．occasion n．时机；机会；场合→ occasional adj.偶然的
拓 →__o_c_c_as_i_o_n_a_ll_y__ adv.偶然地；不时地 展 9．associate vt.联想；联系 n．同伴；伙伴→ association n．联 单
系；联盟；协会 词
10．abrupt adj.突然的；意外的→ abruptly adv.突然地；唐突地
4．The suspect tapped (tap) the table nervously with fingers to hide his fear inside. 5．He's too young to distinguish (distinguish) right from wrong，and needs your guidance.
unless they are truly novel.
made great progress in English.
2.祈使句＋and/or＋陈述句 (2018·浙江卷)给我一次机会，我决
Follow it up，explore all around it， 不会辜负你的期望。
and bቤተ መጻሕፍቲ ባይዱfore you know it，you will G__iv_e__m_e__a_c_h_a_n_c_e_, _an_d_ I'll live up
6． set about doing 开始；着手(做) 高 7． set out (to do) 开始(做) 频 8． out of order 次序颠倒；发生故障 短 9． get through 设法联系上(尤指打通电话)；(设法)做完；通过； 语 度过
10． ring back 回复电话
[语境运用] (填入一个适当的词) Last year，Xiao Ming set ⑤ about designing his new mobile phone after he figured out all the puzzling problems.He did get ⑥ through a lot of pains during his work.To his regret，the phone he is using now is often ⑦ out of order，especially when he rings others ⑧ back ．How he hopes to invent his new phone earlier！
4．He is such a _m_e_r_c_if_u_l_ man and always has _m_e_r_c_y__ on those homeless animals but sometimes he can be _m__e_rc_i_le_s_s__ to those he doesn't like.(mercy) 5．The dog wagged its tail in _e_x_p_e_c_ta_t_io_n_ of a bone but was _e_x_p_e_c_te_d__ to go out.(expect) 6．It is _f_r_e_ez_i_n_g___ outside now, and more snow is falling on already _f_r_o_z_en__ streets.(freeze)
If I had to give up one of them, Iwouldturn off the TV rather than switch off my cellphone or cut off the Internet.
基础知 识梳理
[单词 拼写应用]
1． distinguish vi.&vt.显示……的差别； 使……有所不同； 核 辨别 心 2． seize vt.抓住； 捉住；夺 单 3． bear vt.忍受；忍耐；负担 词 4． claim n．& vt.要求；声称；主张
strengthen schoolyard friendships, jump­start interpersonal skills and, when tapped early, are employed ever after in life and work.开放，发掘
2．(2018·全国卷Ⅲ)He turned up at the hospital bearing gifts for the new mother Lindsey and her baby boy. 携带
5．recognize vt.认出；识别；承认→ recognition n．认出；认
拓 可；承认 展 6．freeze v．冰冻→ freezing adj.冰冻的；严寒的→ frozen adj. 单 冻结的 词 7．innocent adj.清白的；天真的；无罪的→ innocence n．天
阅 1．patent n． 专利证书；专利权 读 2．stable adj. 稳固的； 稳定的； 安定的 单 3．cube n． 立方体；立方 词 4．passive adj. 被动的；消极的；被动语态的
5.valid adj. 有效的；确凿的 6．ripe adj. 熟的；成熟的 7．rainfall n． 降雨 8．jam n． 堵塞；阻塞；果酱 9．dynamic adj. 充满活力的；精力充沛的；动态的；发展变化的 10．version n． 版本；译本
11．competence n． 能力；胜任；本领 12．personnel n． 人力资源；人事部；全体人员 13．string n． 线；绳子；一串 14．file n． 文件；档案；文件夹
vt. 提交；将……归档 15．identification n． 鉴定；辨认；确定；身份证明
1．(2019·全国卷Ⅰ)The likables' plays-well-with-others qualities