1、定语一、概念 定语是用来修饰、限定、说明名词或代词的品质与特征的。修饰名词或代词的词、短语或从句称为定语。Examples:his desk 物主代词 Toms father名词所有格a beautiful city形容词 three teachers 数词women teachers 名词 in the room above 副词a developing country 现在分词a developed country 过去分词There is nothing to do today 不定式an article about how to learn English 介词短语a city whi
2、ch is beautiful 从句（5）由such as,that is引导Some subjects,such as math and physics,are very difficult to learn.某些学科，例如数学和物理，是很难学的（6）由or引导The freezing temperature,or freezing point,is the temperature at which water freezes under ordinary pressure.结冰温度即冰点，是水在常压下结冰时的温度。同位语从句 the Appositive clause一、含义：在复合句中跟
3、在一个名词或代词后，对其做进一步解释说明的从句。同位语从句是名词性从句的一种，在句中充当同位语二、用法：常跟的抽象名词有：fact事实/idea想法/question问题reason 理由/thought想法/problem问题/doubt疑惑/news新闻/hope希望/belief信念/message消息/possibility 可能性/truth 事实/suggestion建议/proposal建议/word消息/promise诺言/order命令/warn警告/information信息/feeling感觉/request请求.三、连词 that/whether/who/which/w
4、hat/when/where/why/how(if不能引导同位语从句）Examples:The hope that he may recover is not gone yet.The problem whether we should continue to do the experiment has been solved.I have no idea when he will come back.Whats the differences between them?The suggestion that we should exercise every day is a good one
5、.(同)The suggestion(that)he put forward at the meeting was a good one.(定)意义that同位语从句解释说明不作成分但不能省略定语从句修饰限制作宾语时可省略从先行词的词性来看同位语从句的先行词大都为（抽象名词）而定语从先行词可以是（名词），也可以是（代词）。Example：Themoonisasatellitethatgoesaroundthe earth月亮是围绕地球运转的一颗卫星（定）HeexpressedthehopethathewouldcometoChina again.他表达了他要再来中国的希望。(同)从引导词来看
6、同位语从句有时也可以用（whether)来引导,但是定语从句则一般不用（whether）来引导。1.Information has been put forward more middle school graduates will be admitted into universities.A.while B.that C .When D.as2.It is said that more middle school graduates will be admitted into universities is the information has been put forward.A.wh
7、at B.that C.when D.asBBExercises:3.She heard a terrible noise,brought her heart into her mouth(MET91)A.it B.which C.this D.that 4.I cant stand the terrible noise she is crying loudly.A.it B.which C.This D.thatBDThe news that we had successfully sent up another communication satellite spread througho
8、ut the world.Thats the best piece of news Ive heard.定定同同The reason why he was late for school sounds unreasonable.He has solved the problem why the radio didnt work well.定定同同Homework :以表格形式总结同位语从句与定语从句的区别。自行创作5个定语从句与5个同位语从句。Thank you！THANK YOU FOR YOUR ATTENTION0 02 24 46 68 81010121214141616181820208080828284848686888890909292949496969898年年mg/人mg/人发达国家发达国家发展中国家发展中国家中国中国1010202030304040606090901201201801802402400 05050100100150150200200250250300300美施康定增加剂量顺序（mg)美施康定增加剂量顺序（mg)
