高一英语第二十四单元The Secret of Farming

科目 英语
年级 高一
文件　high1 unit24.doc
标题 The Science of farming
章节 第二十四单元
关键词 高一英语第二十四单元
内容
单词和词组
be busy with 忙着做…… knock out of……敲出来 point out……指出
turn over 翻转 go against 违背 year after year 一年又
agree to do sth. 同意做…… advise sb. to do sth. advise that（疑问代词）…advise + n. /doing……
日常交际用语
谈论天气：1.What’s the weather like ?
2. What’s the weather going to be like at the weekend ?
3. How’s the weather in your hometown ?
It’s fine / cloudy / rainy / windy .
语法：疑问句的间接引语表达方式。
一、直接引语是一般疑问句，变成间接引语时，要把一般疑问句变成由if或whether引导的宾语从句，语序为陈述句语序。
①He asked me : “Am I wrong ?”
He asked me if he was wrong .
②I asked her . “Are you in charge of the office?”
I asked her whether she was in charge of the office ?”
二、直接引语是特殊疑问句，变成间接引语时，要保留疑问代词，并用陈述语序。
① “Where did you park the car ?” she asked her husband .
She asked her husband where he parked the car ?
②They asked me : “Why don’t you write to your aunt and uncle ?”
They asked me why I didn’t write to my aunt and uncle .

Unit 24 The Science of farming

教学重点/难点
1.(Lesson 93) He is always busy with his farm work . 他总是忙于他的农场工作。
be busy with……忙于。例如：
①He was busy day and night with conferences . 他整天忙着开会。
②He pretended to be busy with some work . 他假装忙着什么事。
2.What’s the weather going to be like at the weekend ? ──周末天气如何？
──It’s going to be wet and windy . ──潮湿，有风。
询问天气情况通常用 “What’s the weather like……?”回答用 “It is……”； “What’s the weather going to be like……?”答语为 “It’s going to be……”； “How is the weather in……?”
例如：
① “What’s the weather like today in New York ?” ──今天纽约的天气怎么样？
── “It’s fine .” ──晴。
②──What’s the weather going to be like tomorrow in Chicago ?
──明天芝加哥的天气怎么样？
②── “It’s going to be very cold . /rainy / snowy / cloudy .
──明天会很冷/有雨/下雪/多云。
3. be made of……由……制成，这种材料可以看得出来，例如：
①These forks are made of metal . 这些叉子是用金属做成的。
②That dam is made of stone . 大坝是石头的。
be made from……由……制成，这种原料在成品中看不出来。
③These wine is made from fruit . 这种酒是由水果制成的。
④These cakes are made from flour and eggs . 这些蛋糕是由面粉和鸡蛋做成的。
4.(Lesson94) While people in other countries in the world were trying to catch wild animals and birds were still collecting seeds and nuts , farmers in China were developing the science of agriculture .
当世界上其它国家的人民还在捕猎飞禽走兽，采集种子和坚果的时候，中国的农民就已经从事农业科学研究了。
While作连词，引导状语从句，表示“当……的时候”。
①We must strike while the iron is hot . 趁热打铁。
②Never get on or off a bus while it is in motion . 不要在车没停稳的时候上下车。
③He was driking orange juice while the rest of us drank whisky . 我们都在喝威士忌，他在喝桔汁。
④She listened closely while he read . 她凑得很近地听他念。
5.Then he returned home and spent his time on research into agriculture . 后来他回乡从事农业科学的研究。
research . n. 研究，探索 research into / in……对……进行研究
①This is an important problem which too few social scientists have researched into .
这是一个只有极少数社会学家从事研究的重要的问题。
6.He collected information , studied it , did experiments and learnt from the experiences of farmers .
他收集信息进行研究和实验，并且从农民那学习经验。
experience n. 经验，体验，阅历，在表示“某方面的经验”时，后接of或in，例如
①He is a man with an experience of forty years at sea .
他是一位有四十年航海经验的人。
②We learnt all this by (though) experience .
我们是从经验中学到这一切的。
③He told us about his experience in Egypt .
他给我们讲了他在埃及的经历。
④Have you much experience in / of learning foreign language ?
你在学习外语方面的经验多吗？
7. He advised farmers to choose the best seed-heads , the ones that had the best colour .
他劝告农民要挑选最好的谷穗，也就是那些颜色最好的谷穗。
advise v. 建议，给……出主意advise + n / sb. to do / that (where , how , whether……)……/ doing .
①We advised an early start . 我们建议早点动身。
②What do you advise me to do ? 你建议我做什么？
③Will you advise me which of them to buy ? 你能给我出出主意买什么吗？
④I advise waiting till the proper time . 我建议等到适当的时候。
“the onces”是同位语，指代seed-heads . ones是可数名词的复数形式，单数用one.例如：
①This pair of shoes doesn’t fit me . can you give me another one ?
这双鞋我穿的不合适，能再拿一双吗？
②These books are too difficult for me ; I want some easier