1、Unit 1Science and ScientistsLearning About Language表语从句【情境探究】观察下面句子,并用适当的连词填空(1)One theory was _bad air caused the disease.(2)The other was _cholera was caused by infection from germs in food or water.(3)The truth was _the water from the Broad Street pump had been infected by waste.(4)What John Snow
2、 showed to the world was _cholera could be overcome.thatthatthathow【要义详析】一、概念在主从复合句中充当表语的从句,叫作表语从句。它常位于系动词之后,用来说明主语的身份或特征。二、连接词的用法1.that引导的表语从句。用法:无意义 不充当句子成分 不可省略*(2021全国乙卷)The problem may be that,in our offices,we cant stop ourselves from getting drawn into others conversations while were trying t
3、o focus.问题可能是,在我们的办公室里,当我们试图集中注意力时,我们无法阻止自己卷入别人的谈话中。【即学活用】语法填空(1)(2020全国卷)The good news is _its simple to learn and can be worth the effort.(2)(2020全国卷)The bottom line is _I shouldnt lie to my kids.(3)The question is _technology is going to be our servant or our master.(4)All I know is _I read in th
4、e papers.(5)This is _I dont agree with you.thatthatwhetherwhatwhere三、注意事项1.why和because引导的表语从句的区别。*I didnt phone her,and thats why she got angry with me.我没有给她打电话。那就是她生我气的原因。(强调她生气的这一结果)*I didnt phone her,and thats because I got angry with her.我没有给她打电话,那是因为我生她的气了。(强调没打电话的原因)Thats why.意为“那是的原因”,强调结果Tha
5、ts because.意为“那是因为”,强调原因3.表语从句中的虚拟语气。在表语从句中,表示间接的命令、要求、请求、建议、决定等,主句中的主语通常是:advice,suggestion,proposal,request,order,idea等,从句谓语形式是“should+动词原形”(should可以省略,但不可换成would)。*My suggestion is that we(should)start early tomorrow.我的建议是我们明天早出发。【即学活用】语法填空(1)I drove to Zhuhai for the air show last week.This is _
6、I had a few days off.(2)He was late today.This is _he got up late.(3)The reason why we didnt go was _we were not informed of the information.(4)My proposal is _you(should)arrange your assistant to this project.whybecausethatthat【语法主题应用】使用本单元所学语法知识(表语从句)翻译下面的语段:好消息是我们学校要去露营。由于最近的糟糕天气,问题是我们什么时候动身。学生们关
7、心的是我们去哪里露营。那是因为我们想去一个风景美丽的地方。我的建议是我们去附近的峡谷。原因是交通非常方便。最吸引人的是那里有很多名胜。_The good news is that our school will go camping.Due to bad weather recently,the problem is when we will set off.Students concern is where we will camp.Thats because we want to go to a place with beautiful scenery.My suggestion is that we should go to the valley nearby.The reason is that the traffic is convenient.Whats the most attractive is that there are many famous places of interest.本课结束
