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人教必修4Unit2 Using Language (共28张PPT)

人教必修4Unit2 Using Language (共28张PPT)

Task 2 Answer the question: What is organic farming?
Organic farming is simply farming without using any ch out four ways of organ farming:
lead to ___导__致____________
In addition___除__此_之__外_______
Task 2 Fill in the blanks:
What problems can be caused by using chemical fertilizers?
1.They can damage the land by killing the h__e_lp_f_u_l _ bacteria and pests and by s_ta_y_i_n_g__ in the ground for a long time.
高一(8)班各小组制作的海报ppt 作品展:
Group 1 All kinds of organic food Group 2 organic Lactuca sativa Group 3 organic pea Group 4 organic lemon Group 5 organic rice
★Peas are very comfortable and the health care keeping in good health food. ★Rich in fiber, vitamin C and protein
Step 4 Reading &Writing
Task 1 Read aloud : (page 15)
You are a producer of “green food”---your food is free of chemical fertilizer….

必修4 Unit2 language-points优秀教学课件

必修4 Unit2 language-points优秀教学课件
At first they considered me (as) a doctor. I consider him (to be) an honest man. for不表示直接的原因，顺便带出一个事实作为陈述的理由 或推测的原因，总是放在主句后面，与主句之间用逗号隔开 We listened carefully, for he brought news of our families. Spring is coming, for it gets warm and trees turn green.
英语中的倍数表达法有三种常见形式: (1) 倍数 + 形容词/副词的比较级 + than... (2) 倍数 + as +形容词/副词的原级 + as... (3) 倍数 + the + 名词+ of...
This building is five times higher than that one. This building is five times as high as that one. This building is five times the height of that one.
Unit 2 Working on the land
language points in Reading
原句再现
1. Yuan Longping considers himself a farmer, for he works the land to do his research. consider sb./sth./oneself (to be/as)... 认为某人/物/自己......
We all feel it nice to be able to visit that distinguished university.

人教高中英语必修4unit2using language(共33张ppt)

人教高中英语必修4unit2using language(共33张ppt)

2020/5/5
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二. 基础基知础识知全识面检检测测(basic words)
I. 单词拼写
1． volunteenr. & vt. & adj. 志愿者，志愿，义务的
2． replace vt. 取代
3． glory n.光荣，荣誉
4．foolish adj. 愚蠢的，傻的
5． pain n . 疼痛____p_a_i_n_f_u_ladj.疼痛的
So she said to her father, “ These are my r_u_le_s____. When a man wants to __m_a_r_r_y_ me, I will
__r_u_n_a_g_a_i_n_s_t_ him. If he can’t run __a_s_f_a_s_t _a_s_me, he will _b_e_k_i_ll_e_d__.
2020/5/25
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Para3.
Dear goddess, could you help me?
2020/5/25
·········
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Para3.
Choose the words from the box to complete the dialogue.
H: Goddess, ________C___________ G: Of course! ____E________ H: Yes, and she is so beautiful that __B____. G: ______D___________
2020/5/25
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Duty Report
2020/5/25
3
Apollo and Daphne

人教高中英语必修4Unit2Using language (共27张PPT)

人教高中英语必修4Unit2Using language (共27张PPT)
1)Reduce diseases in crops and help them grow strong and healthy.
2)Make the soil richer in minerals and so more fertile.
3) Keep the air, soil ,water and crops free from chemicals.
importance of scientific farming and eating organic food.
Step 1. Listening
Listen to the tape carefully and get the main idea of the passage.
_C_h_em__ic_a_l fertilizers can cause many p_r_o_b_le_m,sso _o_rg_a_n_ic____farming is becoming more popular.
Step7 Role-play
Selling your green food
You are a producer of “green food". How to sell your “green food"?
Work in pairs and make a dialogue. One is the farmer, the other is the customer.
Useful sentence patterns:
Farmer: Our food is fresh,natural… It’s healthy and safe for… It’s more expenstive but… You’ll taste the difference when…

人教高中英语必修4Unit2 Using language(共25张PPT)

人教高中英语必修4Unit2 Using language(共25张PPT)
eg. 艰苦的工作条件能磨练人的性格。 Hard working conditions build up character.
2. Many of these chemicals can lead to cancer or other illnesses.
lead to: have sth. as its result 导致；造成 eg.过量的工作和过少的休息会引起疾病。 Too much work and too little rest often lead to illness. 条条大道通罗马。
2. The names of the winners are
un__d_e_rl_i_n_e_d in red.
3. At the end of the news, they often give you a(n) _su_m__m__a_r_y (总结) of the main
news stories. 4. Some types of _b_a_c_te_r_i_a (细菌)cause
The number of the students in our school reduces
__b_y___2% this year. She reduced her weight _t_o__ 45 kilograms.
同义词：decrease 反义词：increase，rise , 这三个词后也可以加 by 和 to，和reduce 用法相同。
1. These chemicals in the food supply build up in people's bodies over time.
build up: become greater, more numerous, or more

人教 必修4 Unit 2 Using language (共31张PPT)

人教 必修4 Unit 2 Using language (共31张PPT)

Your task(10')
Draw your poster and discuss how to use it to sell your watermelons.
On sale
Use your poster to sell your green food---watermelons.
Summary
Farmers put it into the soil to make crops grow well.
fertilizer['fɜːtɪlaɪzə]
natural fertilizer ( waste of animal)
chemical fertilizer
1.What are the advantages and the
food, which is healthy and food is usually more
safe for people’s health,
expensive to grow than
refers to the food growing other food which is not safe
with natural rather than
animals. They believe that health. This means green
putting this in their fields, food doesn’t sell well in
which are away from
China, which worries “green”
per kg while the ordinary
ones at 4yuan per kg.
QUESTIONS

人教高中英语必修4Unit2Using language (共23张PPT)

1. Damage _t_h_e_l_a_n_d_ by killing the _h_e_l_p_f_u_l bacteria and pests _a_s _w_e_l_l _a_s_ the harmful ones.
2. Affect crops, animals and humans since _c_h_e_m__ic_a_l_s_ get inside the trops and cannot just be ___w_a_s_h_e_d__o_ff_____.
三聚氰胺: Melamine ['meləmin] 苏丹红: Sudan Red [su:'dæn] 瘦肉精: lean meat powder
some food additives not allowed to use too much in China
防腐剂: preservative [pri'zərvətiv] 漂白剂: bleach [bli:tʃ] 着色剂: stain [stein]
Which is healthier, chemical or organic farly in farming, people also use chemical additives in food production.
1. As a result of scientific intervention (介入), some harmful substances (物质) have been added
Let’s go to the farm!
First, buy or select the seeds from the store.
Second, we need to plough or turn
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9. Dr Yuan is quite satisfied with his life. satisfied 过去分词，意为“满意的，满足的” satisfying 现在分词，意为“令人感到满意的” satisfaction n．满足，高兴，乐趣(不可数)； 令人满意的事，乐事，快事(可数)。
be satisfied with， 对……感到满意 to one’s satisfaction．使某人满意的是 be satisfied to do sth. 对做某事感到满意
5. Born in 1930, Dr. Yuan graduated from Southwest Agriculture College in1953
graduate from, 毕业于 graduation n. 毕业 After his graduation from college, he went to work as an engineer in a company. After he graduated from college, he went to work as an engineer in a company. After graduating from college, he went to work as an engineer in a company.
—The last one __________________ pays the meal. —Agreed! A. arrived B. arrives C. to arrive D. arriving
4. This special strain of rice makes it possible to produce 20% more of the crop in the same fields. 这种特殊的稻种使得同样的田地多收获20%的产 量。 it 在句中作形式宾语，真正的宾语为to produce…, 结构为：动词（make, feel, think, consider,
3. In 1973, he became the first agricultural pioneer in the world to grow
rice that has a high output.
the first (+n.) + to do
在表示次序的词 the first, the last, the best 以及the only, the
1. Although he is one of China’s most famous scientists, Yuan Long ping considers himself a farmer , for he works the land to do his research. 1) consider 考虑；认为
2.struggle against 为反 对…而斗争， struggle for 为争取…而斗争 struggle to one’s feet 挣扎着站起来 struggle to do sth 艰难的做某事，挣扎着做某事
.
The children talked so loudly at dinner table that I had to struggle ______.[2007 浙江卷] A. to be heard B. to have heard C. hearing D. being heard
此句型有三个考点：1.考这５个动词；２.考动词 不定式；3. 考it的用法
feel it one’s duty to do sth. 觉得做某事是某人的职责
find it difficult to do sth 发现做某事是困难的
make it a rule to do sth.使做某事成为习惯
You should make _______a rule to leave things where you can find them again. A. this B. them C. it D. that 逆向思维法 You should _________ it a rule to leave things where you can find them again. A. promise B. make C. consider D. settle 1. As the busiest woman in Norton, she made ______ her duty to look after all the other people's affairs in that town. A. this B. that C. one D. it 2. He didn’t make____clear when and where the meeting would be held. A.this B.that C.it D.these
consider doing sth考虑做某事 consider … (as/to be)…认为… 是…
我正在考虑换一个工作。 I’m considering changing a job. 我认为他是一个出色的音乐家。 I consider him (as/to be ) an excellent musician.
7. Dr. Yuan searched for a way to increase rice harvest without expanding the area of fields.
▲ search常用的搭配： search for sb./sth. 为某人/某物搜寻 search sb./sth.
11. Dr.Yuan awoke from his dream with the hope of producing a kind of rice that could feed more people. with the hope of doing sth. 带着……的希望.
5. As a young man, he saw the great need for increasing the rice output. need: n. 需要，需求 需要 be in need of _________________ 满足…需要 satisfy /meet one’s need ______________ There is no need for sb. to do …没有必要做某事 There is a great need for teachers in our school. in need of Our school is ___________ ( 需要 )teachers. 你没必要在这儿等。 There is no need for you to wait here. ______________________________________ _____________________________( 为满足学生们 In order to meet the students’ need 的需要 ) , our school bought many new books.
10. He therefore gives millions of yuan to equip others for their research in agriculture.
equip sth with sth
给某物装备某物
be equipped with sth 配有某物／用…来装备
我校教室配有现代化的设备。 We equip our classrooms with modern equipment. Our classrooms are equipped with modern equipment. equipment: 不可数名词 A set of equipment 一套设备
2. work the land vt. 耕种 (土地); 经营 (工厂、农场等） vi. 起…作用或结果; 工作; 开动;（办法、计划等）行 得通 他们一起在田里劳动。 They are working the land together. 我认为你的建议行不同。 I don’t think that your suggestion will work . This machine _______. It hasn’t worked for years. A. didn’t work B. wasn’t working C. doesn’t work D. ithe right等词+(n.)后面跟动词不定式 to do He is the first Chinese to win the Nobel Prize. 他总是第一个来最后一个离开的。 He is always the first to come and the last to leave.
find）+it +adj./n.+ to do.
老师认为有必要请Mr. Smith教授来学校做有关英 语学习的报告。 The teacher thinks it necessary to invite Professor Smith to deliver a speech on how to learn English.
搜查某人/某物 寻找 搜查某物/某人以寻找……
in search of
search sb (for sth)
注意：search sb.
指“搜查某人”, 指对某人进行
搜身。 search for sb.指“搜寻某人”, 指为了要找 到某人 进行搜寻, 相当于look for。
Practice
• The policeman ________ the thief to see what searched he had in his pockets. searching for • The villagers are ____________ the missing child. searched • He ________ the pocket for the ticket but couldn’t find it. in search of • Birds fly to the south _____________ the winter sunshine.