新版人教新目标版2020年九年级英语全册Unit7Teenagersshouldbeallowedtochoosetheirownclothes基础知识梳理

Unit 7Teenagers should be allowed to choose their own clothes.第1课时Section A(1a2d)safetyn. 安全；安全性。其形容词形式为safe(安全的)smokev. 吸烟；冒烟。 n. 烟get ears pierced打耳洞stop doing sth.停止做某事be excited aboutdoing sth.对做某事感到兴奋【拓展】 (1)get ears pierced中get用作使役动词，相当于make或have, “get/have宾语过去分词”意为“使某事被做”或“让某人做某事”。如：I get my car repaired.I have my car repaired. 我让别人修好了我的车。(2)stop to do sth. 停下来去做另一件事。 如：Please stop to have a rest. 请停下来休息一下。I dont think sixteenyearolds should be allowed to drive. 我认为不应该允许十六岁的孩子开车。(1)“I dont think”为否定前移，否定的内容为后面从句的内容。在带有宾语从句的复合句中，如果主句的谓语动词是think, believe, suppose, expect, guess等表示“观点；推测”等概念的词，且主句的主语是第一人称，从句的否定词往往移到主句中。如：I dont think my book is here. 我认为我的书不在这里。(2)sixteenyearolds 是由连字符连接的合成名词，意为“十六岁的孩子”。(3)allow sb. to do sth. 允许某人做某事。其被动结构为： be allowed to do sth. (被允许做某事)。should be allowed to drive为含有情态动词的被动语态。如：We shouldnt be allowed to eat in the classroom.应该禁止我们在教室吃东西。第2课时Section A(3a3c)cryv. & n哭；叫喊。其反义词为laugh (笑)liftv. 举起；抬高。 n. 电梯；搭便车。常用短语：give sb. a lift 让某人搭便车；lift sb./sth. up 将某人/某物抬起、举起badlyadv. 严重地；差；非常。其形容词形式为bad，比较级为worse，最高级为worstawfuladj. 很坏的；讨厌的regretv. & n感到遗憾；懊悔【拓展】 (1)cry的相关短语cry for help 呼喊求援/求助。如：She had an traffic accident just now and she is crying for help. 她刚发生了交通事故，现在正在呼喊救命。cry for sb./sth. 哭着要某人/某物。如：The little baby often cries for toys. 这个小孩经常哭着要玩具。cry about/over sth. 为某物而哭泣。如：Susan is crying about the loss of her pet. 苏珊正在为失去自己的宠物哭泣。(2)regret的具体用法regret to do sth. 意为“遗憾要做某事”，表示事情未做。如：I regret to have to do this, but I have no choice. 我很遗憾必须这样去做，但我没有其他选择。regret doing sth. 意为“后悔做了某事”，表示事情已做。如：I dont regret telling her what I thought. 我不为告诉她我的想法而后悔。regretthat/wh 从句。如：I have deeply regretted what I said. 我非常后悔说了那些话。talk back回嘴；顶嘴thinkback to回想起；回忆。与其含义类似的短语： remind of 提醒；记起；使回想起【拓展】 (1)talk with sb. 和某人说话。如：I saw him talking with Alen on my way home. 我在回家的路上看到他正和艾伦说话。(2)talk about sth. 谈论某事。 如：What are they talking about? 他们在谈论什么？When I was two running through the field, she made sure I was safe and kept me from danger. 两岁那年，当我在田野奔跑的时候，她确保我是安全的，并使我远离危险。make sure表示“把事情弄清楚；核实；查证”。常用于祈使句，后面常接that宾语从句，意为“弄明白；确信”。如：Make sure that you put down every word she says. 请确保你记下了她说的每一个字。【拓展】 (1)make sure of/about sth. 确定某事；核实某事。如：Please make sure of the time. 请核实时间。(2)make sure (what/how/when) to do sth. 确定做某事。如：Make sure to get here before 8：00 am. tomorrow. 请确保明天早上八点前到这。You should make sure when the train will leave. 你应该查明那趟火车什么时候开出。(3)keep sb. (away) from 相当于stay away from，意为“使某人远离；避免接近；远离”。相关短语有： keep away from sth. 使某人远离某事/物； keep/stop sb. from doing sth. 阻止某人做某事。第3课时Section A(Grammar Focus4c)单元语法精讲被动语态(三)含有情态动词的被动语态：肯定句主语情态动词be过去分词(by)All these books could be lent to the students. 所有这些书都可以借给学生。否定句主语情态动词notbe过去分词(by)The work neednt be done at once. 这项工作没必要立即做。These books mustnt be taken out of the reading room. 这些书不能被带出阅览室。一般疑问句情态动词主语be过去分词(by)？Must the work be done at once? 这项工作必须立即完成吗？ 特殊疑问句特殊疑问词情态动词(主语)be过去分词(by)？When should my car be repaired？我的车什么时候能修好？Who should be asked to answer the question? 应该请谁回答这个问题呢？含情态动词的主动语态变被动语态的变化步骤：(以should为例，见下图)第4课时Section B(1a1e)sometimesadv. 有时(表频率)【拓展】 often, always, usually和never等都是常见的表频率的副词。 sometime指未来的某时； some time 指一段时间；some times指几次，常用 several times代替。巧记口诀：分开是“一段”(some time)，相连为“某时”(sometime)；分开s是“倍；次”(some times)，相连s是“有时”(sometimes)。如：He went out some time after their leaving. 他们走后不久，他就出去了。What I meant was that you can find it sometime during the week. 我的意思是说不定你可以在这个星期的某个时候找到它。Everyone will make the mistakes some times during the working. 每个人工作期间都有犯一两次错的时候。I sometimes go to the cinema with my parents on weekends. 我周末有时会陪父母去看电影。fail a test考试不及格be strict with sb.对某人严格要求【拓展】 (1)finish a test early提前交卷； pass the test 通过考试；take the test later 补考。(2)be strict in sth.“对某事严格要求”，其宾语通常为物。如：Mr. Zhang is always strict in his work. But he isnt strict with his daughter. 张先生总是对他的工作要求严格，但是他对他女儿要求不严格。第5课时Section B(2a2e)supportv. & n. 支持。常用短语： give support to为提供帮助；支持/支援enterv. 进来；进去。既可用作及物动词，也可用作不及物动词，且通常不用于被动语态。其名词形式为entrancechoicen.选择；挑选。其动词形式为choose。常用短语：make a choice【拓展】 (1)enter也可表示“考上(学校或大学)；开始从事(某职业)；加入(某组织)”，此时enter是及物动词。(2)enter在计算机领域中可表示“输入(信息)”，此时是及物动词；也可表示“进入(计算机系统)”，此时既可用作及物动词，也可用作不及物动词。get in theway of挡的路；妨碍be seriousabout对认真。about为介词，后接名词、代词或动名词作宾语【拓展】 way的常用短语：on the way to在去的路上。by the way 顺便说一下。in this way 用这种方法/方式。in a way 在某种程度上。Of course we want to see him achieve his dreams. 当然，我们想看到他实现他的梦想。(1)achieve一般只用作及物动词，其宾语可以是实现的目标、目的等，也可以是取得的胜利、成功、名誉、地位等。如：Everybody should be given the chance to achieve their aims. 要让每个人都有机会实现自己的目标。(2)因achieve一般与令人愉快的事 (如成功、成就等)连用，所以平时不要受汉语的影响用此词来表示一般意义的“达到”。(3)achieve的名词形式为：achievement 成就；成绩。如：He was rewarded by the government for his scientific achievements. 他因在科学上取得的成就受到政府奖励。 We have nothing against running! 我们并不反对赛跑！(1)against prep. 反对；违背。其反义词为for，意为“支持”。如：There are 26 votes for him and 8 against him. 有26票赞成他，8票反对他。(2)against用在fight, strive, struggle等词后面，同with意思相同，不过against更强调一种困难中的反抗。如：We fight for the weak against the strong. 我们支持弱者反对强者。(3)against作为介词时，后面接的宾语有时可省略。如：He had intended to come but somehow decided against (it). 他本来打算来，但不知何故他决定不来了。He needs to spend more time on his homework because it is difficult to become a professional sports star. 他需要在作业上多花点时间，因为成为一名职业运动明星是很难的。这是一个because引导的原因状语从句，从句部分的it是形式主语，真正的主语是动词不定式to become。这