课件14张PPT。人教课标
高一 必修 4
Unit 2Unit 2
Working the landWord study1. Find the word or phrase from the text for each of these meanings.Discovering useful words and expressionsbrown (skin) from spending too much time in the sun
to make something or somebody free of
to become larger in size, number or amountsunburntrid…ofexpand4. to make information and ideas known to many people
5. would prefer to
6. to try extremely hard to achieve somethingcirculatewould ratherstruggle7. to send things to foreign countries for sale
8. pleased by having what one wants or needs
9. to provide with things necessary for a certain purposeexportsatisfied withequip10. plants grown in large amounts by farmers
11. because ofcropthanks to 2. Find words from the previous pages of this unit to replace the underlined words. You may need to change the words’ forms to fit.1. According to the WHO’s information, about 1.8 million people across the world die each year from diseases caused by unsafe food and water.statistics, globe 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.super, nationalitiesHunger, disease4. Over 56 percent of the people in a small Southeast Asian country are in jobs related to agriculture.
5. With the open conditions in today’s international business world, hybrid grains can be sold and sent abroad to countries around the world.Vietnam, occupationsfreedom, exported3. Complete the passage with the words below in their proper forms.disturbing expand output struggle battles grain crops decade equipIn the past _______, some of the farmers in the west of China have met with some success in the _______ against the __________desert. decade struggleexpanding_________ 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 planting trees. These and other farmers are starting to win small ______ in the treat war against the ________ growth of the desert.Equipped outputgraincropsbattlesdisturbing