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  • 小小文档网 > 名人名言 > 名言名句 > 高二英语人教版选修8学案课堂探究Unit3Inventorsandinventions—SectionⅢWord版含解析

    高二英语人教版选修8学案课堂探究Unit3Inventorsandinventions—SectionⅢWord版含解析

    时间:2021-04-19 12:10:50来源:小小文档网本文已影响

    课堂探究 1.Leave the beaten track occasionally and dive into the woods. 偶尔离开平路去寻求困境。

    这是一个由and连接的并列祈使句。

    考点一:occasionally adv.偶然地;
    不时地 Friends visit them occasionally. 偶尔有朋友拜访他们。

    We go for walks in the forests occasionally. 我们有时去树林里散步。

    考点延伸 阅读下列句子,指出画线词的词性及含义 ①He works for us on an_occasional_basis. 他在我们这里做临时工。

    词性:形容词 含义:临时的 ②I only wear a tie on special occasions. 我只在特殊场合才打领带。

    词性:名词 含义:场合 考点二:dive into跳水(头朝下);
    将手伸入……中;
    全心投入,潜心研究 I am afraid to dive into the swimming pool. 我不敢在游泳池里跳水。

    There were a number of interesting topics to dive into. 有大量有趣的话题可以展开讨论。

    阅读下列句子,指出短语dive into的含义 ①He dived into his pockets and took out one dollar. 他迅速把手伸进口袋,掏出了一美元。

    含义:将手伸入……中 ②He has been diving into the history of Chinese literature. 他潜心研究中国文学史。

    含义:潜心研究 考点延伸 阅读下列句子,指出画线短语的含义 ③The policeman_made_a_dive_for_the thief. 警察朝小偷冲去。

    含义:向……冲去 ④The submarine took_a_dive. 潜艇突然下降。

    含义:突然下降 即学即用 语法填空 1)I've been writing this report ______(occasional)for the last two weeks,but it has to be handed in tomorrow. 2)The young man dived______ his pocket to make sure his wallet was still there. 3)Find a hobby or activity you enjoy doing and dive ______ it. 词语替换 4)Now_and_then they would come to dine with us.____________ 答案:1)occasionally 2)into 3)into 4)Occasionally 2.Every time you do you will be certain to find something that you have never seen before. 当你这么做的时候,你一定会发现你从未见过的东西。

    这里的every time为名词用作连词,引导时间状语从句。有此用法的还有the first time/each time/next time/any time等。

    考点:every time 每次 Children's lives are in danger every time they cross this road. 孩子们每次过这条马路都面临着生命危险。

    阅读下列句子,指出句中的连词及词义 ①Each time he gets into trouble,he always turns to his teacher. 每当他遇到麻烦,他总是求助于他的老师。

    连词:each_time 词义:每次 ②You are welcome to come back any time you want to. 你想什么时候回来我们都欢迎。

    连词:any_time 词义:任何时候 ③The moment I saw you,I knew you were angry with me. 我一看到你,就知道你在生我的气。

    连词:the_moment 词义:一……就…… ④I liked her the first time I met her. 第一次见到她时我就喜欢上了她。

    连词:the_first_time 词义:第一次 ⑤I came immediately I'd eaten.我一吃完就来了。

    连词:immediately 词义:一……就…… 即学即用 语法填空 1)The thief ran away ______(immediate)he saw the policeman. 完成句子 2)______ ______ ______ ______(下次你来的时候),you will see him. 3)Don't stop to look it up in a dictionary ______ ______ ______ ______ ______ ______ ______ ______ ______ ______ ______ ______(每次你遇到一个不会的单词或短语). 答案:1)immediately 2)Next time you come 3)every/each time you come across a word or phrase you don't know 3.It was this exploring around problems and his dynamic spirit that led to his most famous invention—the telephone in 1876. 正是这种对问题的不断探索和充满活力的精神成就了他在1876年最著名的发明——电话。

    这是一个强调句式,被强调的部分是this exploring around problems and his dynamic spirit。

    It is Li Na's efforts that led to her success. 正是李娜的努力成就了她的成功。

    考点:lead to 导致;
    通向 What has led to his change? 是什么导致了他的转变? 考点延伸 1)阅读下列句子,归纳lead to的用法 ①Do you know the road leading to the city? 你知道通向那个城市的路吗? 归纳:短语lead to中的to为介词,其后要跟名词、名词短语或动词­ing形式作宾语。

    ②The bellboy led us to our rooms. 旅馆服务员把我们带到了我们的房间。

    归纳:lead sb to意为“把某人带到,领到”。

    2)辨析lead to,cause,bring about和result in (1)lead to 表示造成某种情形或结果的逐步变化的过程,to后面接名词或动词­ing形式。

    Hard work leads to success. 刻苦努力才是成功之路。

    (2)cause 强调造成某种结果的直接原因。

    The flood caused much damage. 那次水灾造成了很大损失。

    (3)bring about 表示为了获得某种结果而有目的地行动。

    The Liberals wish to bring about changes in the electoral system. 那些自由党人希望对选举制度做一些改变。

    (4)result in 表示产生某种作用或结果。

    Smoking too much will result in sickness. 吸烟过量会导致疾病。

    即学即用 语法填空 1)There were two roads ______(lead)to the station. 2)In given conditions,a bad thing can lead ______ a good result. 3)Laziness leads to ______(fail)the exam. 答案:1)leading 2)to 3)failing 4.This original telegraph sent a message over distances using Morse code(a series of dots tapped out along a wire in a particular order). 这种原始的电报用莫尔斯电码长距离传达信息(莫尔斯电码是通过电线发出的以特定次序敲击出的一连串点、划)。

    括号中的a series of dots tapped out along a wire in a particular order是对莫尔斯电码的解释,其中过去分词短语tapped out along a wire in a particular order 作定语修饰a series of dots。

    考点:tap vt. 轻打;
    轻拍;
    轻敲 n. 轻轻地敲击(声);
    (水)龙头 Don't leave the tap running. 别让水龙头开着白白地流水。

    考点延伸 1)阅读下列句子,归纳tap的用法 ①He tapped the table with his pencil. 他用铅笔轻敲桌子。

    归纳:tap的过去式和过去分词均是tapped。

    ②When I was standing there,someone tapped me on the shoulder. 当我站在那儿时,有人拍了一下我的肩膀。

    归纳:表示“轻拍某人的某个部位”时,常用“tap_sb_on_the+身体部位”。

    2)辨析tap,knock和pat tap侧重用指尖轻轻地叩或拍,意为“轻拍,轻敲”。

    knock表示用拳头或其他硬物敲,表示“敲、击”。

    pat表示用手掌轻拍、抚拍他人脊背等表示亲密、安慰、赞赏等。

    When she knocked at the door,I was watching TV. 当她敲门的时候,我正在看电视。

    Who patted you on the back? 谁拍你的背了? 即学即用 语法填空 1)The teacher______(tap) her finger on the desk impatiently. 2)The doctor tapped me on ______ leg softly. 翻译句子 3)我听到了轻轻的敲门声。

    ________________________________________________________________________ 答案:1)tapped 2)the 3)I heard a soft tap on the door. 5.If sound waves could be reproduced in a moving electrical current... 如果声波能在电流中被复制…… 考点:current n.(水或气)流;
    电流 adj.现在的;
    当前的 It seems improbable that the current situation will continue. 当前的局势似乎不大可能继续下去。

    阅读下列句子,指出画线词的词性及词义 ①The_current_is the strongest in the middle of the river. 河中央的水流最急。

    词性:名词 词义:水流 ②Most of the old are interested in_current events. 大部分老年人都对时事感兴趣。

    词性:形容词 词义:当前的 考点延伸 阅读下列句子,指出画线词的词性及词义 ③“Loop” is one of those computer words that has gained currency in society. 有一些计算机术语成了社会上的通用词汇,“循环”就是其中一个。

    词性:名词 词义:通用 ④A new stocktaking system is currently_under trial at the supermarket. 目前超市正在试用一种新的清点存货系统。

    词性:副词 词义:目前 即学即用 语法填空 1)He told us a story that enjoys wide______(current). 2)We are ______(current)seeking qualified applicants for the positions. 答案:1)currency 2)currently 6.Although he is most often associated with the invention of the telephone,he was indeed a continuing searcher after practical solutions to improve the quality of everybody's life. 虽然人们常把他和发明电话联系起来,但是他的确是一名永不停息的探索家,不断寻求着改善人们生活质量的途径。

    考点:associate vt. 联想;
    联系 n.同伴;
    伙伴 They associate turkey with Thanksgiving. 他们把火鸡和感恩节联系在一起。

    He is one of my associates at the store. 他是我店里的一位同事。

    考点延伸 1)阅读下面的句子,指出与associate搭配的短语及含义 ①People associate colours with different things and feelings. 人们把颜色与不同的事物和情感联系起来。

    短语:associate_sb/sth_with_sb/sth 含义:把……和……联系在一起,由……联想到…… ②Fallen leaves are always associated with autumn. 落叶总与秋天联系在一起。

    短语:be_associated_with 含义:与……有联系 2)指出下面句子中画线词的词性、与之搭配的短语及含义 ③I am working in association_with him. 我和他一同工作

    词性:名词 短语:in_association_with... 含义:与……合伙/合作 即学即用 语法填空 1)The National ______(associate)of Colleges is a new organization. 2)Westerners tend to associate eras(年代)______ decades and centuries. 3)He wished to forget everything ______(associate)with his former life and start a new life. 答案:1)Association 2)with 3)associated 7.I'm sorry,but this phone is out of order. 对不起,这个电话坏了。

    考点:out of order次序颠倒;
    发生故障 Our air­conditioner is out of order. 我们的冷气机出故障了。

    阅读下列句子,指出画线短语的含义 ①I've checked the files and some of them are out_of_order. 我检查了这些文件,其中有一些次序颠倒了。

    含义:次序颠倒 ②The lift is out_of_order so the patients can't be carried up to the 18th floor. 电梯出了故障,所以病人不能够被送到第18层。

    含义:发生故障 考点延伸 阅读下列句子,指出画线短语的含义 ③Please put the books_in_order. 请把这些书按顺序摆放。

    含义:按顺序 ④I'll make sure that everything is in good order when the guests arrive. 客人到来时,我会确保一切都摆放整齐。

    含义:整齐 即学即用 语法填空 1)These papers are all out______ order.Will you page them up for me? 2)Please keep the room ______ order. 完成句子 3)Our fridge is ______ ______ ______(坏了)again.We'd better buy a new one instead of repairing it. 4)These numbers ______ ______ ______(按顺序排列). 答案:1)of 2)in 3)out of order 4)are in order 8.I can't get through. 我打不通电话。

    考点:get through 设法联系上(尤指打通电话);
    (设法)做完;
    通过 I rang you several times but couldn't get through. 我给你打了几次电话,可是没打通。

    We were all delighted when we heard you had got through your exam. 听到你考试及格了,我们都很高兴。

    归纳:get through既是及物动词短语,又是不及物动词短语。

    阅读下列句子,指出画线短语的含义 ①The water gets_through every time it rains. 每次下雨水都会漏进来。

    含义:漏进来 考点延伸 阅读下列句子,指出与get搭配的短语及含义 ②Don't be tempted to cheat—you'll never get away with it. 别想着作弊——对作弊者会严惩不贷。

    短语:get_away_with 含义:被放过,(做坏事)不受惩罚 ③He's not very good at getting his ideas across. 他不太善于清楚地表达自己的思想

    短语:get_across 含义:被传达,被理解 ④We should get rid of the bad style and keep the good. 我们应该摒弃不良作风,保持优良作风。

    短语:get_rid_of 含义:摆脱,除去 ⑤I hope to get away early in the morning. 我希望一早就动身离开。

    短语:get_away 含义:离开,动身 ⑥We should get down to work at once. 我们应该立即开展工作。

    短语:get_down_to 含义:开始认真做某事 即学即用 语法填空 1)I tried phoning her office,but I couldn't get______. 2)Hardly could he get______ this amount of work in such a short time. 3)What message are you trying to get ______in the book? 4)The rebel wanted to get______ from the country. 答案:1)through 2)through 3)across 4)away

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