2010届高三一轮复习教案 Unit 19 Modern agriculture
⊕考纲要求：
◆ 考纲规定的考试范围:
重点单词与短语protection; technique; irrigation; pump; seed; technical; import; production; method; root; insect; tobacco; golden; tie; discovery; garden; gardening; gardener; wisdom; practical; guide; firstly; sow; condition; soil; weed; remove; sunflower; depend on; and so on 句型.
What do you think causes these changes? 疑问词+插入语+陈述语序的 用法
It is on this arable land that the farmers produce food for the whole population of China. 强调句型的用法
To make as much use of the land as possible, two or more crops are planted each year where possible. where( it is )possible 省略的用法
Not only is food production important but also taking care of the environment. not only… but also…的用法
语法：强调句式-----it +is/ was …that …
◆ 复习本章要达到的目标
1. 掌握protection; technique; technical; import; production; method; golden; tie; discovery; garden; gardening; gardener; wisdom; practical; guide; firstly; sow; condition; remove; sunflower; depend on; and so on 等重点单词及短语的用法。
2. 掌握疑问词+插入语+陈述语序的 用法；强调句型的用法；not only… but also…的用法；where( it is )possible 省略的用法。 ⊕教材知识归纳 ◆知识归纳
1. How are people’s eating habits changing over the years? over的用法：
介词 “在…期间，直到…过完，贯穿（一时间段）” Over the next few days they got to know the town well. 在随后的几天里他们就熟悉那个镇子了。 We discussed it over lunch. 我们吃午饭时商议了此事。 She had a cold over Christmas.
圣诞节期间她患了感冒。
Some waste rots away over a long period of time. 有些食物要经过好长时间才会腐烂。 2. In my opinion, you should …… “我认为”的表达方法：
(1)We hold that no country should interfere in the affairs of other countries. 我们认为任何国家都不应干涉别国的内政． (2)As I see it, nothing is more important than health. 我认为没有任何东西比健康还重要。
(3)From my point of view, chatting online is a waste of time. 我个人认为，上网聊天是浪费时间。
(4)From where I stand, quality is more important than quality. 从我的角度而言，质量比数量更重要。
(5)As far as I’m concerned, learning English is a piece of cake. 就我看… 小菜一碟。
6) It seems to me that buying lottery tickets is a waste of money. 在我看来买彩票是浪费钱。
7）I accept the idea that College English Test should be cancelled. 我认为应该取消大学英语过级考试。
3. To make as much use of the land as possible, two or more crops are planted each year where possible.
（1）使用的表达方法： ①use sth
Every possible means has been used to solve the problem. 一 切可能的办法都已经被使用来解决这个问题。 ② employ sth
Every possible means has been employed to solve the problem. 一切可能的办法都已经被使用来解决这个问题。 ③ make use of
He made use of every second to learn his lessons every day. 每天他分秒必争地学习。
If better use is made of your spare time, you will make great progress in it. 如果你更好地利用你的业余时间，你会在那方面取得更大的进步。 Every minute must be made use of to improve our spoken English. 必须利用每一分钟来提高你的口语。
④ make the best of
You had better make the best of your spare time to study. 你最好充分利用你的空闲时间来学习。 ⑤make the most of
You had better make the most of your intelligence to serve the people. 你最好充分利用你的智慧来为人民服务。 ⑥ take advantage of
You must take advantage of your spare time to build up your bady. 你必须利用空闲时间来锻炼你的身体。
(2)as +adj./adv. + as possible= as +adj./adv. + as sb can/could I will be back as soon as possible.= I will be back as soon as I can. 我将尽可能快的返回。
We must do as much as we can to help others. 我们必须尽全力来帮助别人。
The young man spent as much time as he could doing the experiment. 那个年轻人花了尽可能多的时间来做这个实验。
(3) where it is possible的省略形式，在类似结构中it is / was常常被省略。as...as possible是固定的结构，表 示“尽可能……”。
Fill the words in the blanks where necessary. 在需要的地方填上单词。
4. . Much of the wisdom discovered by early Chinese scientists is still useful for farmers and gardeners.
句中 discovered by early Chinese scientists是过去分词短语作后置定语，相当于which was discovered by
过去分词短语作定语一般具有以下特点： (1) 放在修饰侧的后面。 (2)与修饰词构成被动关系。
(3)相当于一个灰示被动的定语从句。单个的过去分词作定语一般放在修饰词的前面，在个别情况下 放在修饰词之后。
The system used in this school is very successful. 这学校使用的系统很成功。
There is a red car parked outside the house repaired. 在暴风雨中打破了的窗户，已经修好了。
5. Future agriculture should depend on high technology. depend 的用法： 派生词：
dependent adj. 依靠的，依赖的 dependence n. 信赖，依赖，依靠 dependable adj. 可信赖的，可靠的 independent adj. 独立的 independence n. 独立 相关归纳：
(1)depend on/upon sb. to do 指望某人做某事 We can depend on him to do it well. 我们可以指望他把事情办好。
(2)depend on/upon + wh-clause 取决于
Whether the game will be played depend on the weather. 比赛是否进行要看天气的好坏。
Our success depends on whether everyone works hard. 我们的成功取决于每个人是否努力。
(3)depend on/upon it that… 指望…（it 是形式宾语，that是真正的宾语） You may depend on it that he will help you. 你可以指望他来帮助你。
(4)That/It （all） depends. 那得视情况而定 I may help you, but that depends. 我也许帮助你，但得视情况而定。 (5)depend on/upon sb. 依赖/依靠某人 He depends on his son for support. 他靠儿子供养。
(6)be dependent on/upon sb./sth 依赖某人的，取决于某事物 He is still dependent on his parents. 他仍然依赖父母（补助）。
6. It was developed using a way known as a “GM develop 的用法 派生词：
developed adj. 发达的 developing adj. 发展中的
development n. 发展，进步，成长，开发
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