人教版(新教材)高中英语选修2Unit 1　Science and Scientists学案2：Grammar.docx

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1、Unit 1 Science and ScientistsGrammar情景对话Oh, why are you so delighted?The reason is that our country has succeeded in launching Chang5e 5.Why did you come late?That was because I was caught in traffic jams.、 .)7观察下面句子，并用适当的连词填空(l)One theory was bad air caused the disease.(2)The other was cholera was

2、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 showed to the world was cholera could be overcome.要点精析一、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

3、乙卷)The problem may be that, in our offices, we cant stop ourselves from getting drawn into others conversations while were trying to 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。*The trouble is that we havent found enough proofs to prove him to be guilty.麻烦是我们还没有找到足够的证据来证明他有罪。2. whether引导的表语从句

4、。*The question is whether your parents will subscribe to your plan to travel to Tibet this summer holiday.问题是你的父母是否同意你暑假去西藏旅行的计划。3. 连接代词who/whom/whose/what/which引导表语从句，在从句中作主语、宾语、表语 和定语。*The problem is who is willing to defend for the suspect in the court.问题是谁愿意为这个嫌疑犯在法庭上辩护。*With the efforts of loca

5、l people, the city is no longer what it used to be.在当地人的努力 下，这个城市不再是过去的样子。4 .连接副词引导的表语从句。*The problem is how we can transform our initial dream into reality.问题是我们如何把我们的最初的梦想变成现实。*Thats where the famous astronomer disagreed.那就是这个著名的天文学家不同意的地方。5 . because, as if/as though等引导的表语从句。*Thats because you do

6、nt know how to handle this kind of crisis. VKZZS/XZZ/,Zw*ZZZX.这是因为你不知道如何应对这类危机。It looks as if the young man is likely to be in charge of the department.看起来似乎这个年轻人有可能负责这个部门。语法填空(1)(2020全国 II 卷)The good news is its simple to learn and can be worth the effort.(2)(2020全国 I 卷)The bottom line is I shouldn

7、t 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 the papers.(5) This is I dont agree with you.三、考前须知1 . reason作主语或主语中包含事件的起因时，后面的表语从句表示原因时，要用that来 引导，而不是because。*The reason why the injection needs repeating every year is that theyjjc

8、us changes.每年需要重新注射的原因是这病毒会变化。2 .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。语法填空(1)1 drove to Zhuhai for the air show last week

9、. This is 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.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 关心的是我们去哪里露营。那是因为

10、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。 参*考*答*案 情景对话(1) that (2) that (3) that (4) how要点精析二、(1) that (2) that (3) whether (4) what (5) where三、(1) why (2) because (3) that (4) thatThe 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. Thafs because we want to 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.