UNIT 3 THE INTERNET(课件)-【学而思·PPT课件分层练习】2024-2025学年高一英语必修2（人教版2019）

高频词汇精讲 chat vi.& n.聊天;闲聊 chat online网上聊天 (教材P26) 情景导学 He was a paradox—a loner who loved to chat to/with strangers.他真是个矛盾人物,生性孤僻却 又喜欢和陌生人闲聊。    (读后续写·人物性格描写) 用法归纳  ①chat 　　    /　　     sb.与某人闲聊 ②chat about sth.就某事闲谈 高频词汇 情景破 词汇 1 to   with 第1讲　描述运动的基本概念  ③a chat with sb.与某人的闲聊 ④a chat about sth.关于某事的闲谈 词汇拓展 chatter vi.& n.喋喋不休;(鸟类、动物)鸣叫 chatter to sb. about sth.与某人就某事说个没完 第1讲　描述运动的基本概念   convenient adj.方便的;近便的 There are countless articles telling us how the Internet has made our lives more convenient.有无 数的文章告诉我们互联网是如何使我们的生活更加方便的。 (教材P28) 情景导学 The hotel is very convenient for/to the Bund.这家酒店离外滩很近。 Sanxingdui Museum is some 60 kilometers far from the city center of Chengdu and unfortunately the subway has not yet been extended up to there, so it is not so convenient for us to go there.三 星堆博物馆距离成都市中心约六十公里远,不幸的是,地铁还没有延伸到那里,所以我们去那 里不太方便。 (China Daily) 用法归纳 ①be convenient 　　    /　　    ...离……近 ②It is convenient (for sb.) 　　    sth.(对某人来说)做某事是方便的。 词汇 2 for to to do 第1讲　描述运动的基本概念 特别提醒 通常,convenient的主语不能是人。 词汇拓展 ①conveniently adv.方便地;近便地 ②inconvenient adj.不方便的 ③convenience n.[U]方便;[C]便利的事物(或设施) at one's convenience在某人方便时 for the convenience of...为了方便…… for (the sake of) convenience为方便起见 • At your convenience, I'd like to invite you and your family to visit China.在你方便的时候,我 想邀请你和你的家人来中国旅游。    (写作·邀请信) ④inconvenience n.不便;麻烦;困难 第1讲　描述运动的基本概念 benefit n.益处 vt.使受益 vi.得益于 She realised that one of the greatest benefits of the Internet was its ability to remove the distance that usually exists between people.她意识到互联网的最大好处之一就是能够消除通常存在于 人和人之间的距离。 (教材P28) 情景导学 I've had the benefit of a good education.我得益于受过良好教育。 Doing exercise is of great benefit to the healthy growth of students.锻炼身体对学生的健康成长 大有裨益。 In my opinion, students can benefit a lot from doing some housework.在我看来,学生可以从做 些家务中受益匪浅。(2021全国乙) 词汇 3 第1讲　描述运动的基本概念 用法归纳  ①benefit 　　    /by...从……中获益  ②be 　　    benefit to...对……有益 ③　　     the benefit of...得益于……/有……的优势 ④for the benefit of sb.=for sb.'s benefit为了某人的利益 词汇拓展 ①beneficial adj.有利的;有用的;有裨益的 be beneficial to对……有利/有用/有益 •Walking is extremely beneficial to your body shape.散步对于塑形极有用。 ②beneficially adv.有利地 from of have  第1讲　描述运动的基本概念 distance n.距离 She realised that one of the greatest benefits of the Internet was its ability to remove the distance that usually exists between people.她意识到互联网的最大好处之一就是能够消除通常存在于 人和人之间的距离。 (教材P28) 情景导学 His paintings can be only appreciated at a distance.他的画只能从远处欣赏。 When the evening came slowly, the hills in the distance turned dark blue.当夜色渐近时,远处的 山丘变成了深蓝色。    (读后续写·环境描写) It is difficult to get to know her, because she always keeps everyone at a distance/keeps her dis- tance from everyone.要了解她很难,因为她总是对每个人都很冷淡。 词汇 4 第1讲　描述运动的基本概念 用法归纳 ①　　     the distance在远处 ②　　     /from a distance离一段距离;从远处;遥远地 ③keep sb. 　　    a distance/keep one's distance 　　    sb.与某人保持距离;对某人冷淡;与某 人疏远 词汇拓展 ①distant adj.遥远的,久远的;不同的;远亲的;冷淡的;心不在焉的,恍惚的(生义) a distant look恍惚的眼神 be distant from...距离……遥远;与……不同 •It seems that the school life in senior high school is distant from that of his junior high school. 高中的学校生活似乎与他初中的学校生活相去甚远。 ②distantly adv.遥远地;冷漠地 in at at from 第1讲　描述运动的基本概念 inspire vt.鼓舞;激励;启发思考;使产生 She was so inspired by the people she met online that she decided to start an IT club to teach old- er people how to use computers and the Internet.她受到网友的极大启发,决定成立一个IT俱乐 部来教年长一些的人如何使用电脑和互联网。 (教材P28) 情景导学 It was my teacher's encouragement that inspired me to pursue my dream.是老师的鼓励激励我追 求梦想。 These activities inspired the kids with confidence/inspired confidence in the kids.这些活动使孩 子们产生了信心。 用法归纳 ①inspire sb. 　　    sth.激励某人做某事 词汇 5 to do 第1讲　描述运动的基本概念 ②inspire sb. 　　    sth.=inspire sth. 　　    sb.使某人产生感觉或情感 词汇拓展 ①inspired adj.激动人心的;能力卓越的 ②inspiring adj.鼓舞人心的;激励的;启发灵感的 •Her inspiring stories can encourage more young people to achieve their dreams.她鼓舞人心的 故事可以鼓励更多的年轻人去实现他们的梦想。    (写作·有影响力的人) ③inspiration n.灵感;启发灵感的人(或事物);鼓舞人心的人(或事物) •Fine traditional Chinese culture can become an important source of inspiration for literary and artistic innovation.中华优秀传统文化可以成为文艺创新的重要灵感源泉。 (China Daily) ④inspirational adj.启发灵感的;鼓舞人心的 with in 第1讲　描述运动的基本概念 access n.通道;(使用、查阅、接近或面见的)机会 vt.进入;使用;获取 She believes that it is highly important to bridge the digital divide and make sure that everyone has access to the Internet and knows how to use new technology.她认为,消除数字鸿沟、确保每 个人都能使用互联网并且知晓如何运用新技术是非常重要的。 (教材P28) 情景导学 As cities balloon with growth, access to nature for people living in urban areas is becoming hard- er to find.随着城市的急剧扩张,生活在城市地区的人们越来越难找到接触大自然的机会。  (2023新课标Ⅱ) Fortunately, we can have access to online courses for further study.幸运的是,我们可以有机会利 用在线课程进一步学习。 词汇 6 第1讲　描述运动的基本概念 用法归纳 ①(the) access 　　    ...到……的通路;使用/接触……的机会 ②have/gain/get access 　　    ...拥有/得到(使用或见到)……的机会 特别提醒 access、solution、key等名词常与介词to连用,其后要跟名词、代词或动词-ing形式作宾语。 词汇拓展 ①accessible adj.可接近的;可进入的;可见到的;易懂的 be accessible to sb.某人易使用/易得到 •Medicine should not be kept where it is accessible to children.药品不应放在儿童容易拿到的地方。 ②accessibility n.易接近;易进入 ③accessibly adv.可接近地;可进入地 ④inaccessible adj.难以达到的;不可得到的 to to 第1讲　描述运动的基本概念  go through经历;度过;通读 “When you go through tough times, you meet others who are facing similar challenges,” Jan says.简说:“当你身处逆境时,你会遇到面临相似挑战的其他人。” (教材P28) 情景导学 I've gone through my pocket money this month.这个月我已经花完了我的零花钱。 用法归纳 go through除了有“经历;度过;通读”的意思外,还有“　　    ;仔细检查;通过”的意思。 词汇拓展 ①get through (设法)处理;完成;熬过;用完,耗尽;顺利通过(考试等);(用电话)接通,联系上(见本 书UNIT 5词汇12) ②go after追赶;追求 词汇 7 用完 第1讲　描述运动的基本概念 ③go against反对;违背;对……不利 •These changes go against my principles and I cannot agree with them.这些改变违背了我的原 则,我不能同意它们。 ④go off离开;爆炸;(警报器等)突然发出巨响;中断,停止运行;变质,变坏 ⑤go on出场;通(电),开始运行;(时间)流逝;继续下去;(用于鼓励)来吧 ⑥go over仔细检查 • Go over your homework for spelling mistakes before you hand it in.交作业前仔细检查一下 拼写错误。 ⑦go up上涨;上升 第1讲　描述运动的基本概念 confirm vt.确认;使确信 Have you confirmed the Wi-Fi password?你确认Wi-Fi的密码了吗? (教材P30) 情景导学 My father confirms me in the power of love and persistence.我的爸爸使我相信热爱与坚持的力 量。 It has been confirmed that a diet rich in vitamin C can help to prevent this disease.已经证实,富含 维生素C的饮食有助于预防这种疾病。 用法归纳 ①confirm sb. 　　    sth.使某人相信某事 ②　　     has been confirmed that...已经证实…… 词汇 8 in It 第1讲　描述运动的基本概念 词汇拓展 ①confirmed adj.坚定的;根深蒂固的 ②confirmation n.证实;确认书;证明书 第1讲　描述运动的基本概念 account n.账户;描述 vt.认为是;视为 Laura needs an app that will add money to her bank account.劳拉需要一个能给她的银行账户 增加钱的应用程序。 (教材P31) 情景导学 We also need to take the cost of printing into account.我们还需要考虑印刷费用。 The flight was postponed on account of bad weather.由于恶劣的天气,航班延迟了。 The professor warned the students that on no account should they use mobile phones in his class. 这个教授警告学生们,在他的课堂上绝不能使用手机。 Lighting accounts for about 7% of the total electricity consumed in the US.照明大约占据美国总 耗电量的7%。 (2020全国Ⅰ) 词汇 9 第1讲　描述运动的基本概念 用法归纳  ①　　　　　　　    因为;由于 ②　　　　　　    决不;绝对不(放在句首时,句子用倒装语序) ③take...　　     account=take account of...考虑到……;顾及……  ④account 　　    (数量上、比例上)占;说明;解释;是……的说明(或原因) on account of on no account into for 第1讲　描述运动的基本概念 particular adj.特定的;特别的;讲究的 n.[pl.]细节,详情;详细资料 Like a troll, a cyberbully will also write something mean but it is usually directed at particular people.与网络挑事者一样,网霸也会写一些恶意的东西,但这通常是针对特定的人。 (教材 P32) 情景导学 Further particulars are available from the Personnel Office.其他详细资料可向人事部索取。 Jack was lying on the bed doing nothing in particular.杰克躺在床上,无所事事。 I'm not particular about/over food. I like to eat all kinds of foods.我对食物并不挑剔。我喜欢吃 各种食物。 用法归纳  ①one's particulars某人的个人资料 词汇 10 第1讲　描述运动的基本概念  ②　　     particular尤其,特别;特殊的,专门的 ③be particular 　　    /　　    对……讲究/挑剔 词汇拓展 particularly adv.尤其 •But sometimes, as on a Sunday afternoon, the system gets particularly busy.但是有时,像在周 日下午,系统就会变得特别繁忙。 (2021浙江1月) in about over 第1讲　描述运动的基本概念 embarrassing adj.让人难堪(尴尬;害羞)的 He or she may also post embarrassing photos and information about those people.他或她也可能 发一些有关那些人的让人难堪的照片和信息。 (教材P32) 词汇拓展 ①embarrass vt.使尴尬;使难堪 It embarrasses/embarrassed sb. to do sth.做某事让某人尴尬。 • It embarrassed her to be made fun of in public.在公众面前被取笑让她尴尬。 ②embarrassed adj.尴尬的,难堪的 be embarrassed to do sth.尴尬地做某事 be embarrassed about/at...对……感到尴尬 •After hearing Sam's words, the woman was embarrassed about/at what she had done.听到萨姆 词汇 11 第1讲　描述运动的基本概念 的话后,这位女士对自己的所作所为感到尴尬。 ③embarrassment n.窘迫;难堪 (much) to one's embarrassment让某人(十分)尴尬的是 •Much to her embarrassment, she failed the exam again.让她十分尴尬的是,她又一次考试不 及格。 第1讲　描述运动的基本概念 upset adj.心烦的;苦恼的;沮丧的 vt.(upset, upset)使烦恼;使生气;搅乱;打翻 It seemed like a joke at first, but the girl was very upset.刚开始虽然像是在开玩笑,但是这个女 孩十分不快。 (教材P32) 情景导学 You're not upset with me, are you?你不是还在生我的气吧? She was deeply upset about/at/by the way her father treated her.父亲那样对待她,她非常难过。 It upset him that she had left without saying goodbye.她的不辞而别使他感到不快。    (读后续 写·心理描写) It upsets me to think of the little girl all alone in that big house.想到这个小女孩孤身一人在那所 大房子里,我就感到不舒服。 词汇 12 第1讲　描述运动的基本概念 用法归纳  ①be upset 　　    sb.生某人的气 ②be upset 　　    /　　    /　　     sth.为某事心烦/难过  ③It upset(s) sb. 　　    sth./that...做某事让某人心烦/让某人心烦的是…… 词汇拓展 upsetting adj.令人不快(或忧虑、苦恼)的 情景助记 with about at by to do 第1讲　描述运动的基本概念 familiar adj.熟悉的;熟知的 Use a website you are familiar with.使用你熟悉的网站。 (教材P33) 情景导学 His face is very familiar to me, but I can't remember his name at the moment.我很熟悉他的脸,但 我现在记不起他的名字了。 Having lived in the city for over 20 years, I am familiar with everything here.我在这个城市住了 二十多年,对这里的一切都很熟悉。 用法归纳 ①sb. be familiar 　　    sth.某人熟悉某物 ②sth. be familiar 　　    sb.某物为某人所熟悉/熟知 词汇 13 with to 第1讲　描述运动的基本概念   词汇拓展 ①familiarity n.熟悉;通晓;认识 ②unfamiliar adj.不熟悉的 情景助记 第1讲　描述运动的基本概念 case n.盒;箱;情况;案件;病例 This case has two functions.这个盒子有两个功能。 (教材P34) 情景导学 In that case, ask to speak in person as soon as possible and say sorry.假使那样的话,请求尽快面 谈并说对不起。 In no case can we go against the law of nature or we'll meet endless suffering.无论如何我们都不 能违背自然法则,否则我们将会遇到无止境的苦难。 用法归纳 ①　　　　 　     既然那样;假使那样的话 ②　　　　　    任何情况下决不;无论如何都不(置于句首时,句子用倒装语序) ③in case以防;以防万一 词汇 14 in that case in no case 第1讲　描述运动的基本概念 ④in any case无论如何;不管怎样 ⑤in some cases在某些情况下 ⑥in case of假使;如果 ⑦as is often the case情况常常如此;这是常有的事 第1讲　描述运动的基本概念 高频词汇积累 词汇 释义 用法&拓展 identity n.身份;个性 identity card身份证 identify v.确认;认出;鉴定 cash n.现金;金钱 in cash用现金(付款)　pay cash付现金 stuck adj.卡住;陷(入); 困(于);被难住 get/be stuck in...陷入……中 get/be stuck on...被……难住 stick vt.(随意)摆放;忍受 vi.卡住 vt.& vi.粘;贴;刺;戳 n.枝条; 棍 第1讲　描述运动的基本概念 tough adj.艰难的;严厉的;坚固的 be tough on/with...对……严厉 tough times艰难时期(2021新高考Ⅱ)  difficult adj.困难的 toughly adv.艰难地;严厉地 function n.功能;作用;机能 vi.起作用; 正常工作;运转 function as...起……作用;具有……功能 major functions主要功能(2021全国乙) functional adj.实用的;功能的;(能)起作用的 press vt.按;压;敦促 n.按;压;新闻工作者;印刷机 press a button/switch/key按下按钮/开关/按键 press sb. for sth.=press sb. to do sth.=press sb. into (doing) sth.敦促某人做某事 a press conference新闻发布会(2020江苏) pressure n.压力;强迫;紧张 第1讲　描述运动的基本概念 in shape 状况良好 in good/bad/poor shape情况/健康状况良好/不佳/糟糕 out of shape变形的;健康状况不好 keep/stay in shape 锻炼身体 in the shape of以……的形状 take shape形成 discount n.折扣 vt.打折;认为……不重 要;低估 at a discount在打折 discounted prices/fares打折价/打折票价 privacy n.隐私;私密 Personal privacy unprotected.个人隐私未被保护。(2021全国乙) privacy laws隐私法(2020全国Ⅱ) private adj.私有的;私人的     privately adv.私下地 第1讲　描述运动的基本概念 rude adj.粗鲁的;无礼的 rudeness n.粗鲁;无礼　rudely adv.粗鲁地;无礼地 target n.目标;对象;靶子 vt.把…… 作为攻击目标;面向;把…… 对准(某群体) set a target 制订目标 meet/achieve a/the target完成/达到目标 be targeted at...面向……,对准……;以……为攻击目标 the target audience目标受众(2023北京) target users目标用户(2021全国乙) define vt.给……下定义;界定;解释 definition n.定义;释义;解释　definite adj.肯定的;确定的 definitely adv.确切地;明确地;清楚地 第1讲　描述运动的基本概念 so...that...引导结果状语从句 She was so inspired by the people she met online that she decided to start an IT club...她受到网 友的极大启发,决定成立一个IT俱乐部…… (教材P28) 情景导学 Tom was so sad that the tears rolled down his cheeks.汤姆如此伤心,以至于眼泪都顺着脸颊滚 下来了。 She is so excellent an English teacher that we all respect her so much.她是一名如此优秀的英语 老师,以至于我们都很尊敬她。    (写作·人物介绍) 经典结构 情景破 结构 1 第1讲　描述运动的基本概念 用法归纳 so...that...引导结果状语从句常用于以下结构中:   结构拓展 ①such...that...也可引导结果状语从句,常用于以下结构中: such+a/an+adj.+可数名词单数+that... adj. adj. 第1讲　描述运动的基本概念 such+adj.+可数名词复数/不可数名词+that... •They are such interesting books that we all enjoy reading them.这些书很有趣,我们都喜欢 看。 •He is such a good partner that we all like to work with him.他是一个如此好的搭档,以至于我 们都喜欢和他一起工作。 ②so that既可以引导目的状语从句,也可以引导结果状语从句。在引导目的状语从句时,从句 中常常含有情态动词can/could/may/might等。 •Trolls often use several false names so that they can stay on a site.网络挑事者经常使用好几 个假名,以便他们能(长期)待在一个网站上。 特别提醒 有时为了强调形容词或副词,在so/such...that...结构中可把so/such部分放在句首,主句用倒装 语序。 第1讲　描述运动的基本概念 • So delighted did the author feel that he couldn't get to sleep.这个作者感到如此高兴,以至于 他无法入睡。 第1讲　描述运动的基本概念 “疑问词+不定式”结构 A 59-year-old man learnt how to apply for work online...一位59岁的男子学会了如何在网上申 请工作…… (教材P28) 情景导学 Where to go tomorrow has not been decided.明天去哪里还未决定。 The question is when to begin our final examination.问题是什么时候开始我们的期末考试。 用法归纳 在“疑问词+不定式”结构中,常见的疑问词有疑问代词who、what、which和疑问副词 how、when、where;这种结构在句子中可充当　　    、宾语、　　    。 特别提醒 why通常不用于“疑问词+不定式”结构。 结构 2 主语 表语 第1讲　描述运动的基本概念 “the+比较级..., the+比较级...”结构 However, the more polite you are, the less likely it is you will be attacked.然而,你越有礼貌,你被 攻击的可能性就越小。 (教材P32) 情景导学 The less trouble, the better.多一事不如少一事。 It's true, the older I get, the more I feel time has wings.这是真的,年龄越大,我越觉得时间有翅 膀。 (2020全国Ⅰ) 用法归纳 “the+比较级..., the+比较级...”表示一方随另一方的变化而变化。若后面用一般将来时,前 面常用　　　　　    表示将来。前后都可以有所省略,特别是在谚语、俗语中。 结构 3 一般现在时 第1讲　描述运动的基本概念 Sentence 1 译文　她意识到互联网的最大好处之一就是能够消除通常存在于人和人之间的距离。 长难句 图解 宾语 定语 第1讲　描述运动的基本概念 Sentence 2 译文　她受到网友的极大启发,决定成立一个IT俱乐部来教年长一些的人如何使用电脑和互 联网。 定语 结果 目的 第1讲　描述运动的基本概念 Sentence 3 译文　她认为,消除数字鸿沟、确保每个人都能使用互联网并且知晓如何运用新技术是非常 重要的。 宾语 宾语 宾语 第1讲　描述运动的基本概念 Sentence 4 译文　如果你看到或读到让你感到不舒服的东西,马上离开这个网站。 条件 定语 第1讲　描述运动的基本概念 现在完成时的被动语态 一、现在完成时的被动语态的构成 情景导学 He has been selected to take part in the sports meeting.他已被挑选出来参加运动会。 I can't see any coffee in this cupboard. Has it all been finished?我在这个橱柜里看不到咖啡。都 喝完了吗? Much attention has not been paid to students' English handwriting in some areas.在一些地区,学 生们的英语书写还没有得到太多的重视。 必备语法 情景破 第1讲　描述运动的基本概念 用法归纳   二、现在完成时的主动语态变被动语态 情景导学 (1)We have built many houses in the past ten years. →Many houses have been built by us in the past ten years. have/has been done have/has not been done Have/Has been done 第1讲　描述运动的基本概念 (2)We have given him the book. →He has been given the book by us. →The book has been given to him by us. (3)I have made her work hard. →She has been made to work hard by me. (4)He has thought of a way of doing it. →A way of doing it has been thought of by him. 用法归纳 1.由(1)可知,只带有一个宾语的动词变为被动语态时,将原来的宾语变为被动句的主语。 2.由(2)可知,可跟双宾语的动词,如give、send、bring、take、teach、show、sing、write、 read、sell、buy、tell、lend、pass、promise等,变为被动语态时,可将其中一个宾语变为主 第1讲　描述运动的基本概念 语,另一个保留。把直接宾语变为被动句的主语时,间接宾语前通常需加④　　    。 3.由(3)可知,带有复合宾语的动词变为被动语态时,要将原来的宾语变为被动句的主语,原来 的宾语补足语变为主语补足语。原来省略to的不定式作宾语补足语的,在被动语态中要还原 to。 4.由(4)可知,短语动词是一个不可分割的整体,在被动语态中要保持其完整性,不可省略短语 动词中的介词或副词。 三、现在完成时的被动语态的用法 情景导学 (1)The house has been cleaned up by my elder brother.我哥哥已经把房子打扫干净了。 (2)“China speed” has been given new meanings in the past decade.在过去的十年间,“中国速 度”已经被赋予了新的含义。 介词 第1讲　描述运动的基本概念 (3)Financial problems of the company have been discussed for nearly two hours.公司的财务问 题已经被讨论了将近两个小时。 (4)You will take over his job if he has been sent abroad.如果他被派往国外,你将接手他的工 作。 (5)We won't start the work until all the preparations have been made.直到所有的准备工作都做 好了,我们才会开始工作。 用法归纳 1.例句(1)(2)表示被动的动作在说话之前已经⑤　　    ,强调过去的动作对现在造成的影响 或产生的结果,常与时间状语just、already、yet、ever、recently、lately、so far、up to/till now、before、in the last/past few days等连用。 2.例句(3)表示一个被动的动作开始于过去,持续到⑥　　    ,并且有可能继续持续下去,常与 完成 现在 第1讲　描述运动的基本概念 带for或since的时间状语连用,或用于“How long...?”句型中。 3.例句(4)(5)表示在⑦　　    或条件等状语从句中,表示将来某时已完成的被动的动作,可以 用现在完成时的被动语态代替将来完成时的被动语态。 时间 第1讲　描述运动的基本概念 即时巩固 Ⅰ.单句语法填空 1.(2020天津5月)—The machine is working again! —Yes, it broke down yesterday, but it 　　 　    (fix). 2.How many suggestions 　　　     (give)to you so far? 3.When and where to go for their holiday 　　 　    (not decide) yet. 4.Hundreds of excellent athletes 　　 　    (select) from all over the world in the past two months. 5.A new library and a gym in our school 　　　     (set) up so far and they will be put into use very soon. has been fixed have been given has not been decided have been selected have been set 第1讲　描述运动的基本概念 Ⅱ.把下面的句子变为被动语态 1.We have made him clean the room. →He　　　    　　　　　　    the room by us. 2.The company has given him a chance to work abroad recently. →He 　　　　　　　　    a chance to work abroad recently by the company. →A chance to work abroad 　　　　　　　　　    him recently by the company. has been made to clean  has been given has been given to 第1讲　描述运动的基本概念 $$