Section_ⅢLearning_about_Language_&_Using_Language

　　1．Scan the passage and then choose the best answers according to the passage.

　　(1)From the passage, we can see organic farmers are those who ________.

　　A．grow crops with chemical fertilizers

　　B．grow crops with natural fertilizers

　　C．produce organic fertilizers

　　D．care for the environment

　　(2)From the fourth paragraph, we know that ________.

　　A．it's not good to plant grass between crops

　　B．peanuts use the surface of soil

　　C．peas and soybeans should be grown together with corn and wheat

　　D．vegetables that put down deep roots are harmful to the soil

　　(3)________ so that the soil may not get exhausted.

　　A．Farmers grow the same crops year after year

　　B．Farmers use natural fertilizers

　　C．Farmers change crops every few years

　　D．Farmers use chemical fertilizers

　　(4)How many ways do the organic farmers have to keep their soil fertile and healthy?

　　A．3.　　　　　　　　　 　B．4.

　　C．5. D．6.

　　答案：(1)～(4)　BBCB

　　2．Read the text and then answer the following questions.

　　(1)What is organic farming?

　　Farming_without_using_any_chemicals.

　　(2)What is the goal of using organic farming methods?

　　To_grow_good_food_and_avoid_damaging_the_environment_or_people's_health.

　　3．Read the text and find out the main idea of each paragraph.

　　(1)Paragraph 1(C) A．Problems caused by chemical fertilizers.

　　(2)Paragraph 2(A) B．Farmers and customers turn to organic farming.

　　(3)Paragraph 3(B) C．Long­term use of chemical

　　fertilizers can cause damage

　　 to the land and people's health.

　　(4)Paragraph 4(D) D．Other methods to keep the soil fertile.