2015-2016学年高一英语人教版必修四课件：UNIT 2 4-SB-LEARNING ABOUT LANGUAGE .ppt

1、Discovering useful words and expressionsLearning about Language1.Find the word or phrase from the text for each of these meanings.1._ brown(skin)from spending too much time in the sun.2._ to make something or somebody free of3._ to become larger in size,number or amount4._ to make information and id

2、eas known to many people.sunburntrid ofexpandcirculate5._ would prefer to6._ to try extremely hard to achieve something7._ to send things to foreign countries for sale8._ pleased by having what one wants or needs9._ to provide with things necessary for a certain purpose10._ plants grown in large amo

3、unts by farmers.11._ because ofwould ratherstruggleexportsatisfied withequipcropsthanks to2.Find words from the previous pages of this unit to replace the underlined words.1.According to the WHOs information,about 1.8 million people across the worlddie each year from diseases caused by unsafe food a

4、nd water.2.Different kinds of strong corn,another hybrid grain,has been developed by scientists of many different races.3.Not having enough food leads to poor health and,therefore,sickness.statisticsglobesupernationalitiesHunger4.Over 56 percent of the people in a small Southeast Asian country are i

5、n jobs related to agriculture.5.With the open conditions,in todays international business world,hybrid grains can be sold and sent abroad to countries around the world.Vietnamoccupationsfreedomexported3.Complete the passage with the words below in their proper forms.In the past _,some of the farmers

6、 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.Their _ of _ and other _,however,is still the same,which makes it possible for them to use the remaining farmland for plantin

7、g trees.decadestruggleexpandingEquippedoutputgraincrops3.Complete the passage with the words below in their proper forms.These and other farmers are starting to win small _ in the great war against the _ growth of the desert.battlesdisturbingWorkbook:Using words and expressions1.Which of the followi

8、ng verbs must change their form to become nouns?Write the noun forms for the verbs below.Then complete the sentences,using the correct forms.battlecirculate comment confusediscoverequipexpandexportfocusproduceregretstrugglesum circulate confuse discover equip expand produce circulation confusion dis

9、covery equipment expansion production battle comment export focus regret struggle sum battle comment export focus regret struggle sum1.The news about Jeffs success quickly _ around the school.2.The _ of his study was on the _ of Chinese products.3.In an interview,Jeff _ that he had only one _.4.Befo

10、re,he often _ to understand the _ world of business.5.He was studying English to _ himself for his new job.circulatedfocusexportcommentedregretstruggledconfusingequip2.Complete each blank with a word below.Be sure to change the form,if necessary.Today we use _ in almost every part of our lives,hopin

11、g 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 the

12、m in the _ chemicalspestsbacteriaproductionsoil to help their plants grow fast and become strong.However,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 _

13、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 it both.discoverieschemicalsmineralsnutritionrootfocus3.Translate the following sentences into English,using the words and phrases in br

14、ackets.1.今天的课主要讲如何写新闻总结。(focus on;summary)Todays lesson focuses on how to write a summary of a news article.2.我们必须快速浏览这个报告，找到它的主要内容。(skim)We must skim the report to find the main idea.3.老师让我们在难懂的单词下画线并查字典（找出其意思）。(underline)The teacher told us to underline the difficult words and look them up in the

15、dictionary.4.他说像统计数据这样的细节就不必包括在内了。(statistics;details)He said that details like statisticsshould 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)I think Im going to use a report about how farmers are keeping their fields 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)It took the farmer twenty years to build up his business.7.使用过多的化肥导致了严重的问题。(lead to)Using too much chemical fertilizer will lead to serious problems.