人教版新课标必修4第二单元 Unit 2 Working the land learning about language

课件18张PPT。sunburnt
rid …of
expand
equipped
circulate
would ratherAnswer key for exercise 1 on page 12Learning about languagestruggle
export
satisfied with
equip
crop
thanks to1 statistics, globe
2 super, nationalities
3 Hunger, disease
4 Vietnam, occupations
5 freedom , exported Answer key for exercise 2 on page 12In the past_______, some of the farmers in the west of China have met with some success in the ________ against the _________ desert. ________ with new scientific farming methods, they have been able to use less farmland than in the past. decadestruggleexpandingEquippedAnswer key for exercise 2 on page 12Their ______ of _____ and other ______ , however, is still the same, which makes it possible for them to use the ramaining farmland for planting trees. These and other farmers are starting to win small ______ in the great war against the _________ growth of the desert.outputgraincropsbattlesdisturbingFirst column :
circulate – circulation
confuse—confusion
discover—discovery
equip—equipment
expand—expansion
produce—production Using words and expressionsSecond column :
battle– battle
export—export
focus—focus
regret—regret
struggle—struggle
sum—sumAnswer key for exercise 1 on page 49The news about Jeff’s success quickly _________ around the school.
The ______ of his study was on the _______ of Chinese products.
In an interview, Jeff __________ that he had only one _______ .
Before, he often _________ to understand the _________ world of business.
He was studying English to ______ himself for his new job.circulatedfocusexportcommentedregretstruggledconfusingequipToday we use ________ in almost every part of our lives, hoping to make life faster, more convenient or just better. At home we use them to kill flies and other disease- carrying _____. Doctors give them to us in medicine to fight harmful _______ in our bodies. Factory workers use them in industrial _________ to make everything from toys to shoes to toothbrushes. Farmers also use them in the ______ to help their plants grow fast and become strong. chemicalspetsbacteriaproductionsoilAnswer key for exercise 2 on page 49However, the __________ of new ways to use _________ have brought difficulties as well as benefits. For example, too much use in farming leads to food that is low in ________ and other things that we need for good ________. What is the ____ of the problem? Some people think it is from a wrong _____ on money and speed, while others say it is just from a lack of education about the problems. Who knows? Maybe it is both.discoverieschemicalsmineralsfocusrootnutrition
今天的课主要讲如何写新闻总结。(focus on ; summary )
我们必须快速浏览这个报告, 找到它的主要内容 (skim)Today’s lesson focus on how to write a summary of a new article.we must skim the report to find the main idea.Answer key for exercise 3 on page 49老师让我们将难懂的单词划线并查字典（找出其意思）。(underline)
他说像统计数据这样的细节就不必包括在内了。(statistics; details )The teacher told us to underline the difficult words and look them up in the dictionary.He said that details like statistics should not be included. 5.我想我将用到一篇关于农民们让自己的土地远离化肥的报告。(keep…free of ; chemical fertilizers)
6.这个农民花了20年的时间来创建自己的企业。(build up )
7.使用过多的化肥导致了严重的问题。(lead to )I think I’m going to use a reporter about how farmers are keeping their fields free of chemical fertilizers.It took the farmer twenty years to build up his business .Using too much chemical fertilizer will lead to serious problems .Helping people in need of help is nice.
Growing super hybrid rice is not easy.
Learning more about farming is not difficult.
Doing research in the countryside is not easy as in the city.
Getting rid of hunger is very important for some African countries.
Explaining this again is important or we will confuse the students. Answer key for Exercise 2 on page 13:Discovering useful structures1st group: to do
2nd group: doing 1st group :promise, fail, hope, afford, hope, plan
2nd group: enjoy, finish, mind, miss, keep
3rd group: try, stop, begin, forget, like, startAnswer key for Exercise 3 on page 13:It was good ______ the young man working with his father in the fields.
Paul clearly enjoyed ________ about how to farm well.
When I talked to him, he told me he dreamed of _______ his own farm.
He will keep _____________ with scientific methods of farming.
He will keep _________ new ideas so he can help farmers around China.Answer key for Exercise 4 on page 13:to seelearninghavingto experimenttrying notI am quite interested __________ what will happen to Paul’s farm in the future.
Someday, he hopes _________ super wheat, like Yuan Longping’s super rice.
He is not afraid _____, because he knows failure will help him learn more,
He cares very little about ______ a big house and a car.
His father says that he has never regretted ________ his son to study abroad.to find outto developto failowingsendingUsing structures1 Smoking
2 paying
3 getting
4 Learning
5 playing 6 Doing
7 Using
8 dancing
9 exchanging
10 supplyingAnswer key for Exercise 1 on page 50:An old farmer was about______. He wanted ________ sure that his sons would stop _______ among themselves. He hoped ___________ them _________ the farm successfully. The old man called his sons together and said, “My sons, I’m about _______ this life. You will find all that I have in the farm.”to dieto makefightingto encourageto manageto leaveAnswer key for Exercise 2 on page 50:Some time later, after their father had died, the sons started ________ long hours in the fields. They thought that their father had buried a treasure in the ground. They kept ________ from morn till night, _________ the soil over again and again, but still failed _______ any treasure. That year’s crops, however, were better than any of their father’s crops and sold for a very high price. In the end, the young men found that ______ hard is truly a treasure in itself.spendingworkingploughingturningto find