Language points(考点) in reading II in using language in unit 2 in book 4
1.over/in the past half century 在过去的半个世纪里
2. cause damage to 对…造成伤害
3. even more dangerous 甚至更危险的是…
4. wash off 冲洗掉
5.These chemicals in the food supply build up in people’s bodies over time.
supply.
1).用作名词时：
a) 指“供给;供应”等
supply and demand 供与求 be in short supply 供应缺乏,供应不足 food supply 食物供应 water supply 供水
When I meet difficulty, my roommates will_____me help.
The government need to _______ food and clothes for these old people
All the rooms are ___ with electric lights.
A. supplied B. given C. offered D. burnt
6. build up 逐渐积聚; 增进，增强
来往的车辆在通往市区的路上越聚越多。___________________________________________.
build up one’s health/body ________________________________.
7. lead to (lead—led—led ) 通向;导致（某种）结果；造成
This road ___________________(通向) the railway station.
条条大路通罗马___________________________________________.
他的错误导致失败。_____________________________________________.
8.in addition (to) 除…之外;此外;并且
We met some friends and other people __________.
____________ the killed and wounded,many were missing.
_________, I want to tell you something about Tom.
in addition 常放在句首,用逗号隔开,或放在句末;in addition to后面常跟名词或名词短语
9.They focus on keeping their soil rich and free of disease.
focus on : 集中（注意力、精力）于
把注意力集中在你工作上.______________________________________________.
所有眼睛都注视着他。_____________________________________________________.
10.keep…free of /from: protect.. from 使免受（影响,伤害等）
健康饮食和锻炼使你远离感冒。________________________________________________.
11. reduce_____ 减少/降低了 reduce ______ 减少/降低到
12. every few years _______________________________.
13. put sth back into _______________________________.
14. use different levels of soil____________________________
15.(be) followed by 后面是,后面有,接着是
天气预报之后是广告时间___________________________________________________..
16.put down deep roots__________________________
17.猫和狗之中我更喜欢狗。__________________________________________.
________________________________________. ______________________________
我喜欢步行更甚于骑自行车。___________________________________
_______________________________ ________________________________.
18.carry away___________________
19. avoid (doing) sth 避免做…
她试图避而不答我的问题。_______________________________________________.
Homework:
Revise the content of this passage.
课件33张PPT。Chemical or organic farming? What is the thing we put on the soil which makes crops grow ?
It is fertilizer. How many kinds of fertilizers do farmers use ? And what are they?
There are two kinds. They are chemical fertilizers and natural waste from animals. Which kind do farmers use when they are doing organic farming ?
The second one---natural waste from animalsChemical or organic farming?Read the passage quickly and try to find out the main idea of the each paragraph.
* Pay attention to the key word(s) in each paragraph.Task 1. SkimmingD. Long-term use of chemical fertilizers
can cause damage to the land and
people’s health.C. Problems caused by chemical fertilizers.P1.P2.B. Farmers and customers turn to
organic farming.A. Other methods to keep the soil fertile. P3.P4.Main idea of the each paragraph.Main idea of the passage________ fertilizers can cause many
________, so organic farming is
becoming more________.ChemicalproblemspopularReadingPara1: Using chemical fertilizers can hurt the land and also people’s health.1.Why are chemical fertilizers so popular in farming today?
2.Do you think it is really a great way?
They are a great way to stop crop disease and
increase production.No What problems can be caused by using chemical fertilizers? (disadvantage) Firstly, they damage the land by killing the helpful bacteria and pests. Secondly, Chemicals’ staying in the ground and
underground water for a long time affects crops
and, therefore, animals and humans. And many
of the chemicals can lead to cancer or other
illnesses.
Thirdly, fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition.Para2: Problems caused by chemical fertilizers1.What is organic farming?
2. What is the advantage of using natural fertilizer?Para3: Organic farming is becoming more popular
with some farmers and many customers 1.What is organic farming?Organic farming is simply farming without using any________.green foodchemicals2. What is the advantage of using natural fertilizer? * Reduce diseases in crops and help them grow strong and healthy.
* Make the soil richer in minerals and so more fertile.
* Besides, keep the air, soil and water as well as the food supply free from chemical.Para4: Other methods to keep the soil fertile.How many methods are mentioned in this
paragraph? And what are they?
2.What is the same goal of these different
organic farming methods?
3.Why do organic farmers grow peas or soybeans after corn or wheat? How many methods are mentioned in this
paragraph? And what are they? Change the kind of crop in each field every
few years.Three2) Plant crops to use different levels of soil.3) Plant grass between crops and leave it in the
ground.2.What is the same goal of these different
organic farming methods? The same goal is to grow good
food and avoid damaging the
environment or people’s health.Farmers grow peas or soybeans after corn or wheat so that peas and soybeans can put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil.3.Why do organic farmers grow peas or soybeans after corn or wheat? Answers to Exercise 2 on P15:Changing the crops renews the ________in the soil and helps it become ___ and ______.This prevents ___ or _____ from ______ _____soil and acts as a ______fertilizer.This uses different _____ of
soil.This makes the soil ______in
_______and so more_______.
richermineralsfertilemineralsrichfertilelevels wind watercarrying awaynatural In recent days, scientists have discovered that using________ fertilizers for a long time can hurt the land and also people's _______. There are several __________ caused by chemical fertilizers. They hurt the health of the land,_____ in the water for a long time and get into people's ________ through their food. chemicalbodiesproblemshealthstayFill in the blanks according to the passage. Retelling & Summary ________ farming is becoming more popular with some farmers and many _________ after these discoveries came out. Organic farming does not use any chemicals. There are many organic farming_________ for making the land healthy and productive. All of these methods try to produce good food and to keep the _____________and people ________.
methodshealthyenvironmentcustomersOrganicSuppose you were given a farm. What would you like to grow or raise? How would you deal with your farming?Language points 1.over/in the past half century 在过去的半个世纪里 2. cause damage to 对…造成伤害 3. even more dangerous 甚至更危险的是… 4. wash off 冲洗掉 5.These chemicals in the food supply build
up in people’s bodies over time.supply.
用作名词时：
a) 指“供给;供应”等
supply and demand 供与求
be in short supply 供应缺乏,供应不足
food supply 食物供应
water supply 供水2) 用作动词时,指“供给,提供,备办”等,
supply sb.____ sth ,
sth._______ sb.
withto /for offer provide sth ____ sb
sb _____ sth to for withsth ____ sb
sb ____ sthWhen I meet difficulty, my roommates will_____ me help.offer
The government need to _______ food and
clothes for these old peopleprovideAll the rooms are ___ with electric lights.
A. supplied B. given
C. offered D. burnt6. build up 逐渐积聚; 增进，增强
来往的车辆在通往市区的路上越聚越多。Traffic is building up on roads into the city. build up one’s health/body 增强体质,锻炼身体7. lead to (lead—led—led )
通向;导致（某种）结果；造成
This road leads to the railway station. His mistakes led to his failure.All roads lead to Rome. 条条大路通罗马 8.in addition (to) 除…之外;此外;并且We met some friends and other people ____
______.
____________ the killed and wounded,
many were missing.
_________, I want to tell you something
about Tom. in In addition to In additionadditionin addition 常放在句首,用逗号隔开,或放在句末.
in addition to后面常跟名词或名词短语9.They focus on keeping their soil rich and free
of disease.focus on : 集中（注意力、精力）于把注意力集中在你工作上.Focus your attention on your work.All eyes were focused on him.10.keep…free of /from: protect.. from
使免受（影响,伤害等）健康饮食和锻炼使你远离感冒。Healthy eating and good exercise keep you
free from/of cold.11. reduce_____ 减少/降低了
reduce ______ 减少/降低到toby12. every few years 每隔几年13. put sth back into 将…带回到… 14. use different levels of soil 利用不同层次的土壤15.(be) followed by 后面是,后面有,接着是The weather forecast is followed by
advertisements.天气预报之后是广告时间.16. put down deep roots 生根于深层土壤 17. prefer sth to sth
prefer doing to doing
prefer to do rather than doI much prefer dogs to cats.猫和狗之中我更喜欢狗。我喜欢步行更甚于骑自行车。 I prefer walking to cycling .I prefer to walk rather than cycle. 18.carry away 带走,冲走19. avoid (doing) sth 避免做…她试图避而不答我的问题。 She tried to avoid answering my questions. Homework:Revise the content of this passage.
