1、Working the landUnit 2 Section Using Language栏目导航课前教材预案课堂深度拓展课后限时作业课末随堂演练v .Scan the text and choose the best answer according to the text.v1.Which statement is WRONG according to the text?vA.All crops are organic.vB.Recently, the term “organic farming” has gained another meaning.vC.All farmers use
2、fertilizers.vD.Scientists believe some chemical fertilizers are better for people.v答案： D课前教材预案v2.Which is NOT the reason why organic farmers prefer natural waste from animals?vA.It can keep the food free from chemicals.vB.It can keep the air,soil and water free from chemicals.vC.It can kill harmful
3、pests.vD.It can make the soil richer in minerals.v答案： Cv3.What is the advantage of using chemical fertilizers?vA.Leaving chemicals in the ground for a long time is good for water supply.vB.They can get the soil exhausted.vC.They can kill helpful bacteria.vD.They can kill harmful pest.v答案： Dv4.The or
4、ganic farmers do the followings EXCEPT_ .vA.adding fertilizers which is rich in mineralsvB.changing crops every two or three yearsvC.planting seeds in different layers of the soilvD.planting grass between crops to prevent the soil from being blown awayv答案： Av .Read the text carefully and decide whet
5、her the following statements are True or False.v1.The main idea of the text is that chemical fertilizer is better than natural fertilizer. ( )v2.Organic farmers prefer using natural waste from animals. ( )v3.Farmers often grow the same crops year after year. ( )v4.Organic farming refers to crops gro
6、wing with both natural and chemical fertilizers. ( )v5.A healthy soil reduces disease and helps crops grow strong and healthy. ( )FTFFT .Read the text carefully and answer the following questions.1.What is “organic farming”？答案： Organic farming means growing crops without using any chemicals.2.What d
7、o organic farmers prefer to use as fertilizer?答案： The fertilizer that organic farmers prefer is natural waste from animals.3.Why do organic farmers grow peas or soybeans after corn or wheat?答案： Farmers grow peas or soybeans after corn or wheat so that peas and beans can put minerals back into the so
8、il,making it rich and healthy and ready to grow more wheat or corn.4.What is the advantage of using natural fertilizer？答案： It makes the soil richer in minerals and so more fertile, and reduces diseases in crops and help them grow strong and healthy. Besides, it keeps the air, soil and water as well
9、as the food supply free from chemicals.5.Why are chemical fertilizers so popular in farming today?答案： They are a great way to stop crop diseases and increase production. .Translate the following sentences from English into Chinese.1.It seems a strange name since all crops are organic no matter how they are produced.答案： 这个名字看起来有些奇怪 ,因为所有的农作物 ,无论如何生产出来的 ,都是有机物。
