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working the land 高中英语课件


Reading: A Pioneer For all People

plow the field

grow some young plants

insert the young plants into the field

harvest

rice
<

br /> 传统水稻种植

Food is the basic need for man. Rice is a main food in all Eastern Asian and Southeastern Asian countries. It is said that there are 2.4 billion people to eat rice everyday throughout the world. What do you think would happen if tomorrow there was suddenly no rice to eat?

The only way to solve the food
shortage problem is to increase the

yield of the grain crop per land area
through the advancement of science

and technology.

Yuan Longping -- Father of Hybrid Rice

袁隆平,一个属于中国,也属于世界 的名字,他发起的“第二次绿色革命”, 给整个人类带来了福音。 袁隆平是中国国家杂交水稻工程技 术研究中心主任,被誉为“杂交水稻之 父”。 他的杂交水稻属于高秆类杂交水稻, 其优点在于每造每亩产量高达800多公 斤,远远高于传统水稻的产量。

杂交稻

这稻穗, 够分量!

我国杂交稻高

产新组合创世
界一流亩产

达1195.2kg

Careful Reading
Personal information
Name: Yuan Longping Nationality: Chinese Born: in 1930; in a poor family Occupation: a scientist/farmer Education: Southwest Agriculture College Dream: 1. saw rice plants as tall as sorghum 2. to export his rice

1. grow rice that has a high output achievements 2. find ways to grow more rice 3. circulate his knowledge abroad 4. give money to equip others for their research 1. playing his violin 2. listening to violin music hobbies: 3. playing mah-jong 4. swimming 5. reading

Using Language: Chemical or Organic Farming?

Group A: Farmers grow them using chemical fertilizers.

Which group would you choose and why?
Group B: Farmers grow them using natural fertilizers.

Discussion: What are the disadvantages of chemical farming?

Read the text and find out “What is organic farming”.

Organic farming is simply farming without using any chemicals.

Fast reading: Read the text again and underline the topic sentence of each paragraph.
Para 1:Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people’s health.

Para 2: What are some of the problems caused by chemical fertilizers?

Fast reading: Read the text again and underline the topic sentence of each paragraph.
Para 3: With these discoveries, some farmers and many customers are beginning to turn to organic farming. Para 4: Organic farmers also use many other methods to keep the soil fertile.

Careful reading: Read the text carefully and answer the following questions.

Para 1.Why are chemical fertilizers so popular in farming today ?
They can stop crop disease and increase production.

Para 2: What are some of the problems caused by chemical fertilizers? a. Fertilizers damage the land by killing helpful bacteria and pests; b. Too many chemicals in the food supply can lead to cancer or other diseases. C. Food grown with chemical fertilizers grow too fast to be full of much nutrition.

Para 3: Why do organic farmers prefer using natural waste from animals as fertilizer?

Because they feel that this makes the soil in their fields richer in minerals and so more fertile. This also keeps the air, soil, water and crops free from chemicals.

Para 4: What other methods do organic farmers to keep the soil fertile? They often change the kind of crop in each field every few years; They also plant crops to use different levels of soil; Some of them prefer planting grass between crop to prevent wind or water from carrying away the soil.

Language points
Using Language: Chemical or Organic Farming?

1. Recently ,however , scientists have been finding that long-term use of these fertilizers can cause damage to the land and , even more dangerous , to people’s health

A (1)however为副词, 意为”然而,可是 ”,表转折, 可用于句首,句末,句中,如在句中,其前后都要加逗号. 例如: He , however ,couldn’t pay for the education that young Albert needed . 然而,他无法支付小艾 伯特的教育费用

(2)however为连词,引导让步状语从句,相当于no matter how ,修饰形容词或副词. However hot it is , he will never take off his coat . =No matter how hot it is , he will never take off his coat . 无论多么热,他都不会把外套脱掉. However fast you run , you can’t catch up with a car . =No matter how fast you run , you can’t catch up with a car . 无论你跑得多快,你也赶不上一辆小 汽车.

B. have been finding 是现在完成进行时.

More examples:

We have been seeing quite a lot of each other recently. 最近我们常常见面。 Where have you been? We have been looking for you everywhere. 你刚才在哪儿?我们一直在到处找你呢! He has been saying that for years. 这话他已经说了好几年了。 It has been raining every day this month. 这个月天天下雨。

规则归纳: 1. 形式:have been doing 2. 时态:现在完成进行时 a. 表示从过去某时开始一直持续到 3. 使用语境: 现在的动作,并且还将持续下去。 The Chinese have been making paper for two thousand years. 中国有2000年的造纸历史。(动作还将继续下去) I have been learning English since three years ago. 自从三年前以来我一直在学英语。(动作 还将继续下去)

b.表示从过去某时开始一直持续到现在的动作, 在说话时刻之前刚刚结束的动作。 We have been waiting for you for half an hour. 我们已经等你半个钟头了。(动作不再继续下去)

①— I’m sure Andrew will win the first prize in the
final. — I think so. He ________ for it for months. (2008 江苏) A. is preparing B. was preparing C. had been preparing D. has been preparing

②Cathy is taking notes of the grammatical rules in
class at Sunshine School, where she ______ English for a year. (2007湖南) A. studies B. studied C. is studying D. has been studying

③—I have got a headache.
—No wonder. You_________ in front of that computer too long. (2007江西) A. work B. are working C. have been working D. worked

C. long-term 长期的 = be harmful to

short-term 短期的

D. cause/do damage to 对…造成伤害

= bring harm to
地震对该地区造成的损失是严重的。

The damage______________________ caused by the earthquake ________________________________to the to the area/that the earthquake caused area was serious.

2. What are some of the problems caused by chemical fertilizers? In addition, fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition. The meeting held last week is of great importance. The concert given by their friends was a success. The boy playing football on the playground is my brother. 单个过去分词作定语,常放在被修饰词的前面;过去分 词短语作定语,常放在被修饰词的后面。 分词作定语要看分词与它所修饰的名词之间的关系若 为主动关系,则用现在分词;若为被动关系,则用 过去分词。

A in 776 B.C. did not The Olympic Games,___ include women players until 1912.
A. first played C. first playing B. to be first played D. to be first playing

①过去分词做定语与其修饰词之间是动宾关 系且过去分词表示的动作已完成。 ②现在分词作定语表示动作正在发生,与修 饰词是主谓关系。 ③不定式作定语表示将要发生的动作。 first played in 776B.C. = which was first played in 776 B.C.

1. Did you attend the meeting ______yesterday? C A. to be held B. having been held C. held D. being held B in the hall now? 2. Do you know the name of the play___
A. to be put on C. put on B. being put on D. putting on

3. I borrowed a book ______ by Mark Twain A from the library last week. I like it very much. A. written B. writing C. was written D. to write 4. Please don’t forget him. He is one of _______. A A. those invited B. invited those C. those inviting D. inviting those

3. In addition, fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition.

另外,施过化肥的水果、蔬菜和其它食物通常 生长的过快而营养不足。 解析:in addition to 以介词结尾,相当于一个 介词,意思是“除...之外,;除…之外又,加 上……” in addition 以名词结尾,作为相当于副词adv., 意思“也;另外,加之”

用in addition/in addition to填空。
I met some friends and other people __________. in addition We play football ____________ in addition to basketball. _____________ In addition to the overcoat you asked for, I bought you a shirt. You need money and time, __________, in addition you need diligence.

4. With these discoveries, some farmers and many customers are beginning to turn to organic farming. 由于这些发现,一些农民和消费者开 始转向有机耕作。 1) begin, start用进行时时, 后面动词用不定式to do I was beginning to get angry。 我开始生起气来。

2)turn to 转向;求助于

求助于 I tried to stand on my own two feet rather than turned to my parents. 我设法自立而不求助于我的父母。 变成 change to turned to water 冰化成水。 The ice______________. 转向,变成 Turn to the left _______________and you will find the post. 向左转,你会找到邮局的。 love turn to hate Why does_________________? 为什么爱会转化为恨呢? Cloudy mornings turn to clear evenings. 早见云雾晚见晴。 我们的话题转到了足球上。

Our talk turned to football.

5. They often change the kind of crop in each field every few years. 在同一块地里,他们经 常每隔几年就换种农作物。 every和表示数量的词连用 1)every可与表示数量的词连用,表示时间或空间 的间隔,表示“每几…”如: ①Every four years athletes from all over the world take part in the Olympic Games. 每四年,来自世 界各地的运动员参加奥林匹克运动会。 every three days ②I usually go to my uncle\'s _______________. 我通常每三天(每隔两天)去我叔叔家一次。

2) every后可接 few,但不能接 a few,因 every 一词已包含了a之意,如: every few minutes 每隔几分钟 3) every后接序数词时,则修饰单数可数名词, 如 : I usually go to my uncle\'s every third day. 4)every 可与other + 单数可数名词连用,表示 “每隔一……”。如: every other line (请隔行写) Please write on _______________.

Using Language: Chemical or Organic Farming?

Revision
动名词作主语或宾语

Ⅰ填入动名词的适当形式

1.

The runner fell and hurt his left leg but he quickly got up and went on ___________ (run). running 2. How about ________ skating (skate)this afternoon? swimming (swim)? 3. Are you good at ___________ playing (play) games. 9. We are all interested in ________ 4. He spent 30 yuan buying ______ (buy) that dictionary . 5. Are you enjoying ______ living (live) on the fifth floor? writing (write), he had 6. After he finished _______ a good rest.

Ⅱ 单项选择
1.The thief took away the woman’s wallet without__. A. being seen B. seeing C. him seeing D. seeing him 2. No one can avoid ______ by advertisements. A. to be influenced B. being influenced C. influencing D. having influenced 3. They are considering ___ before the prices go up . A. of buying the house B. with buying the house C. buying the house D. to buy the house

4. Your shirt needs ______ you’d better have it done today. A. iron(烫衣) B. to iron C. ironing D. being ironed 5.Please stop ___. I have something important to __ you . A. saying; talk B. telling; say C. talking...speak D. talking; tell

6.Do you feel like _____ out or would you rather _____
dinner at home ? A. going; to have B. to go; to have C. to go; having D. going; have

7. It’s no use _____ to get a bargain these days . A. to expect B. expecting C. wanting D. you expect 8.It was impolite of him _____ without _____ goodbye . A. to leave; saying B. leaving; to say C. to leave; to say D. leaving; saying 9.He is looking forward to _____ his holiday in Britain . A. spend B. have spent

C. spending D. having been spent 10. He is very busy _____ his papers . He is far too busy ________ callers. A. to write, to receive B. writing ;to receive C. writing ; receiving D. to write; for receiving

Ⅲ 翻译下列句子
Reading is an art. 1. 读书是一种艺术。__________________ Climbing mountains 爬山) is really fun. 2. ___________________( 3. Working in these conditions is not a pleasure but a suffer. 在这种工作条件下工作不是愉快而是痛苦。 _______________________________ 4. ________________________over It is no use/no good crying spilt milk. 洒掉的牛奶哭也没用。 5. Their coming to help was a great encouragement 他们前来帮忙对我们是极大的鼓励。 to us. ____________________________________


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