海南新版人教版教材高中英语必修2-unit3-The Internet Section 2-3 重点词汇短语语法
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Unit3 The Internet Section 2-3重点词汇短语句型1.function用法详解(1)n.作用;功能;职能fulfil/perform a function 发挥功能The only task is to make it perform a function.唯一的任务就是使它发挥功能。
The function of smile is to show happiness and put people at ease.微笑的作用是表示快乐和额使人感到自在。
(2)vi.起作用;运转function as 起到......作用function well/properly 运转正常This machine is not functioning properly.这部机器运转不正常。
The sofa can also function as a bed.这沙发也可以当床用。
归纳拓展work as 当;担任;担任......工作act as 担任......角色server as 用作;充当(事物做主语)2.confirm用法详解(1)vt.证实;证明;使某人确信Confirm+sth./that 从句/wh-从句(尤指通过提供更多证据)证实It has been confirmed that......已确定......His words confirmed that the election would take place on June 20th.他的话证实选举将在6月20日举行。
It has been confirmed that they will leave their hometown for Canada.已证实他们将离开家乡去加拿大。
(2)vt.批准confirm sb. in sth. 批准某人某事When do you think the manager will confirm you in office?你认为什么时候经理会批准你上任?词语积累confirmation n.证实;确定;批准;确认firm n.商行;商号;公司adj.坚固的;坚硬的3.press用法详解(1)vt.(被)压,挤,推,施加压力(=push/squeeze)press ......against......把......贴在......She pressed her face against the window.她把脸贴在窗子上。
(2)vt.按,压(使启动)press a button/switch/key 按下按钮/开关/按键She pressed down hard on the gas pedal.她用力踩下油门踏板。
(3)vt.催促;敦促;逼迫press sb. for sth.催促某人某事press sb. to do sth. 催促/逼迫某人做某事The bank is pressing us for repayment of the loan.银行正在催我们偿还贷款。
They are pressing us to make a quick decision.他们正催促我们尽快做出决定。
(4)n.报纸;报刊;新闻界;出版社Christie looked relaxed and calm as he faced the press afterwards.后来面对记者的时候,克里斯蒂显得放松而镇静。
词语积累pressure n.压力,挤压ment用法详解(1)n.一轮;评论;意见,见解,常与介词on,about和upon连用。
make a comment about/on/upon 评论No comment!(通常用于回答记者的问题)无可奉告!He made no comments on our proposal.他对我们的建议没有做评论。
She made helpful comments on my work.她对我的工作提出了有益的意见。
(2)vt.评论,评注;批评;提意见,发表意见comment on/upon 评论comment+that从句发表意见说......Would you care to comment on any troublesome students in your class?你愿意谈谈你对你们班上调皮学生的看法吗?He commented that he thought it was time for us to go home.他发表意见说他认为该是我们回家的时间了。
5.shape用法详解(1)n.【C,U】形状,外形;样子in the shape of 以......形状out shape 变形的,走样的,身体不好,不健康be/get in shape 健康;保持良好状态get oneself into shape 强身健体The pool was in the shape of a heart 游泳池呈心形。
I’m a bit out of shape and I am thingking of joining your gym.我身材有点走样,正考虑加入你们的健身俱乐部。
(2)vt.使形成,使成为......形状The building is shaped like a cross or the letter T.这一建筑的形状像一个“十”字或像字母“T”。
(3)vt.形成;塑造;决定......的形成The time at school shapes one’s future.在校学习期间决定一个人的前途。
This event shaped his whole life.这件事决定了他的一生。
6.keep track of用法详解(1)掌握......的最新消息;了解......的动态With eleven thousand employees,it’s very difficult to keep track of them all.对于一支1.1万人的员工队伍,很难及时了解到所有人的动态。
(2)记录I use a small notebook to keep track of all the new sentences I learn.我用一个小笔记本记录我所学到的所有新句子。
(3)与......保持联系She managed to keep track of her friends.她设法与朋友们保持联系。
归纳拓展lose track of 不了解......的动态;与......失去联系词语积累track n.小道,小径;足迹,总计,轨道;跑道vt.跟踪;追踪off the beaten track 远离闹市;偏远track sb./sth. down 搜寻到......,跟踪找到......7.discount用法详解(1)n.折扣,常与介词on,at连用。
get/give/offer a discount 得到/给予/提供折扣at a discount 打折;减价They’re offering a 10% discount on all chairs this month.本月他们给椅子售价统统打九折。
They were selling everything at a discount.他们销售的所有的商品都打折。
(2)vt.给......打折;打折出售discount prices/fares 对价格/票价打折This has fored airlines to disount fares heavily.这迫使航空公司对机票大幅打折。
(3)vt.认为......不重要;对......不全信;低估We shouldn’t discount the effect of AIDS.我们不应该低估艾滋病的影响。
8.account用法详解(1)n.账户;账目open/close an account 开立/结清账户I don’t have a bank account.我没有银行账户。
(2)n.描述;叙述;报告give a full account of 详尽地描述She gave the police a full account of the incident.她向警察详尽地描述了所发生的事情。
(3)n.解释;说明;理由;原因on account of 由于;因为on no account 绝不(位于句首引起部分倒装)take account of/take sth. into account 考虑到;顾及One must take the audience into account when making speeches.做演讲要考虑听众。
(4)vt.说明......的原因;解释;说明;认为是account for sth. 是......的说明(或原因)The poor weather may have accounted for the small crowed.天气不好可能是人来的少的原因。
9.考点提炼‘keep+宾语+宾语补足语”接哦古此结构中keep的意思是“使......保持(状态等)”,宾语补足语的形式是多种多样的。
(1)keep+宾语+形容词/副词/名词(表宾语的状态)(2)Keep+宾语+过去分词(表被动动)(3)Keep+宾语+现在分词(表示一直进行的动作)They required him to keep it a secret.他们要求他对这件事保守秘密。
We should keep our classroom clean and tidy.我们应保持教室整齐干净。
He promsed to keep me informed of how project was getting along.他许诺随时告诉我工程的进展情况。
Because there are too many orders,sorry to keep you waiting so long.因为订单太多,对不起让您等了这么长时间。
We must keep this lesson in mind.我们要记住这个教训。
特别注意“keep+宾语+宾补”结构中,动词不定式不能做宾补。
10.语法专项突破构成have/has+been+done肯定式:have/has+been+done形式否定式:have/has+not+been+done一般疑问式:Have/Has +主语+been+done特殊疑问式:疑问词+一般疑问式现在完成时被动语态表示过去发生的被动动作对现在造成的影响和结果主要用法表示一个被动的动作或状态开始于过去,持续到现在,并可能继续用在时间或条件等状语从句中,表示将来某时已完成的动作Have/has 和been,两者缺一不可注意事项与一般过去时的被动语态的区别非延续性动词在现在完成时的被动语态中的运用短语动词在被动结构中不可省略介词或副词现在完成时的被动语态强调一个发生在过去的被动性动作持续到现在或对现在造成的影响或结果。