【#第一文档网# 导语】以下是®第一文档网的小编为您整理的《Unit 5单元辅导》，欢迎阅读！
Unit 5单元辅导 重难点·考点点击归纳 1.An advertisement is a message or announcement that informs or influences people. [P.42] [考点] inform [点拨] 句中inform是及物动词，有“告知”的意思。常见的搭配有： inform + object (n. or pron.)。如本句中people就是它的宾语。 inform + sb. + of + sth. inform + sb. + 宾语从句 Please inform his mother of his safe arrival. 请告知他母亲他已安全到达。 I informed his mother that he had safely arrived. = His mother was informed that he had safely arrived. = His mother was informed about / of his safe arrival. 已经告知他母亲他已安全到达。 Her email informed me how she was expected to reach Beijing. 她的邮件通知我她预定到北京的方式。 另外，固定搭配inform on sb. 告发某人 Mary informed on her own sister. 玛丽告发了她的姐妹。 2. Some adverts, like the environmental protection advertisements below, appeal to our conscience or our desire to be worthy citizens. [P.43] [考点] worthy [点拨] 句中worthy是形容词，它可以作定语或表语，但是不能单独作表语。试比较下列句子： ①Her suggestion is worthy to be considered. √ ②Her suggestion is worthy of being considered. √ ③Her suggestion is worthy being considered. √ ④Her suggestion is worthy of consideration. √ ⑤Her suggestion is worth considering. √ ⑥Her suggestion is worthy to consider. × ⑦Her suggestion is worthy of considering. × 在正确句中，第二句最普通，第三句最不正式。worthy一般不能单独作表语，例如不能说He is worthy；但可以作定语，有时含有贬义。例如He is a worthy man. 他还算是个好人。试比较：He is a man of worth. 他是个值得尊敬的人。 worthy有时可以跟主动式，例如： He is worthy to consider this question. 他值得考虑这个问题。 3. As well as worrying about the expense, advertisers must also consider which media are most appropriate for their product and which their target audience is most likely to see or hear. [P.43] [考点] expense [点拨] expense作“开销，开支”讲时是可数名词，往往用复数形式；作“费用”讲时是不可数名词。例如： The girl paid all the school expenses by herself. 那个女孩靠自己支付所有的学费。 Peter spares no expense to collect the paintings by Picasso. 彼得不惜代价收藏毕加索的画。 4. However, it would be no use advertising products on radio if the ad relies on visual effects. [P.43] [考点1] It’s no use doing sth.句型 [点拨] 本句中it是形式主语，动词-ing形式引导的“advertising products on radio”是真正的主语。考试时常在it处或在动词-ing形式处设空或对use进行辨析。 [拓展] 分别用于It be 和There be的句型： It’s no good / use doing sth. 干某事没有用处。 There’s no point / sense in doing sth. 干某事没有意义。 There’s no doubt / denying that... 毫无疑问…… There’s a chance / an opportunity that... 有可能…… ／ 有机会…… There’s no need to do sth. 没有必要干某事。 [考点2] rely on [点拨] rely on是“动介型”动词短语，有“依靠；信任”等意思，之后可以跟名词、代词、v-ing形式、复合结构。例如： You can always rely on Mary; she won’t fail you. 你总可以一直依靠玛丽，她不会让你失望的。 Don’t rely on going abroad for your holiday; we may not be able to afford it. 你别总想着出国度假，我们可能负担不起。 You can’t rely on the weather being fine for anything you plan in England. 你甭总想着在英国做事会有好天气。 另外请注意：radio之前用介词by / in时，往往不用the，说成by radio / in radio；但是，用介词on / upon / over时，不用the的情况很少，属于不规范用法，所以，往往要说成on the radio。本句中的on radio即属于不规范用法，建议大家不要模仿。 5. On the other hand, being constantly exposed to advertisements can help to change our opinions over time. [P.43] [考点] 动名词的被动语态作主语 [点拨] being constantly exposed是动词-ing短语作句子的主语。动名词的被动语态由“being+过去分词”或“having been done +过去分词”构成，但后一种一般不作主语。 [拓展] 动名词在句子中充当主语与不定式在句子中充当主语的区别：动名词常表示一般或抽象的多次性、经常性行为，而不定式则往往表示具体的或一次性的动作。试比较： Playing with fire is dangerous. （泛指玩火） To play with fire will be dangerous.（指某一具体动作） 6. In some countries advertising alcoholic drinks or tobacco is banned altogether. [P.48] [考点] ban [点拨] ban作名词时是可数的。ban常常后跟介词on，表示“对……的禁止”，之前常用动词有put, place, lay, introduce, impose等；表达“解除禁令”时，之前常常用动词lift, remove, cancel, overturn等；表达“要求禁止”时，之前用动词call for, demand等；表达“反对禁令”时，之前可用动词oppose, reject等。ban作主语时，其谓语动词用start, cover, come into force等。ban作动词时的常见搭配是ban + sb. + from + doing + sth.。请仔细研读下列例句，注意搭配： The government has banned the use of chemical weapons. 政府已经禁止使用化学武器。 There is a ban on smoking in the theatre. 这剧院内禁止吸烟。 The play was banned (by the censor). 该剧本遭（审查员）查禁。 She’s been banned from driving for six months. 已禁止她开车, 为期六个月。 The protesters showed their defiance of the official ban on demonstrations. 抗议者藐视官方的示威禁令。 7. When it comes to advertising, consumers need to be educated about techniques used by advertisers so they can judge the claims for themselves and not blindly accept everything that is said in advertisements. [P.49] [考点] when it comes to... 句型 [点拨] 本句用到句型when it comes to...，表示“当提及……时，就……而言”。其中to为介词，后跟sth.或doing sth.。 [拓展] come to含义较多，如“涉及，谈到，想起，意识到，总共，总计”。可用于It comes to sb，“某人突然想起……”。 [例句展示] It suddenly came to Helen that the man who helped her is a great star. 海伦突然想起来那位帮助她的男士是一位大明星。 The bill came to 500 US dollars. 帐单金额总计为500美元。 本文来源：https://www.dywdw.cn/500841da7275a417866fb84ae45c3b3566ecdd67.html
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2022-03-19
