(46)______
参考答案(由小熊题库网聘请的专业题库老师提供的解答)
请点击↑↑↑ 查看官方参考答案 按钮
习题解析
请点击 查看官方参考答案 按钮
您可能感兴趣的题目
1 .Which statement is the best description of the first paragraph?
A Farming plays an important role in US. B American people consider their agriculture products are very important. C The US farming has a leading position in the world. D American farmers feed American people and other people in the world.
2 .Which of the following statements about the American Agriculture is NOT TRUE according to the second paragraph?
A The black top soil will completely be blown or washed away in 80 years. B 50 years later, corn and soybean yields in the Midwest may drop 30%. C In 1830, nearly two feet of rich, black top soil covered the Midwest. D This erosion is steadily decreasing the productivity of valuable cropland.
3 .Which is not the result of using fertilizers on fields?
A Decreasing crop yields B Devastating for ecology C Compensating for the loss of fertile topsoil D Polluting the nation’s precious water supply.
4 .Which is NOT the solution of avoiding an eventual ecological disaster?
A Having better farming techniques B Building terraces on hilly fields C Rotating their crops D Planting more crops
5 .In “….it has been devastating for ecology”, it refers to_____.
A farmers have expanded croplands B farmers have used more chemical fertilizers C farmers have compensated for the loss of fertile topsoil D the top soil has been decreased.
7 .(47)______
A But people who are hosting “online garage sales” on auction sites such as eBay may have a tax bill. B Second, make sure to market your item well. C Buyers then bid on the item. D Ready to put your used stuff online? E The Internet can help you turn that extra stuff into cash. F American compan...
8 .(48)______
A But people who are hosting “online garage sales” on auction sites such as eBay may have a tax bill. B Second, make sure to market your item well. C Buyers then bid on the item. D Ready to put your used stuff online? E The Internet can help you turn that extra stuff into cash. F American compan...
9 .(49)______
A But people who are hosting “online garage sales” on auction sites such as eBay may have a tax bill. B Second, make sure to market your item well. C Buyers then bid on the item. D Ready to put your used stuff online? E The Internet can help you turn that extra stuff into cash. F American compan...
10 .(50)______
A But people who are hosting “online garage sales” on auction sites such as eBay may have a tax bill. B Second, make sure to market your item well. C Buyers then bid on the item. D Ready to put your used stuff online? E The Internet can help you turn that extra stuff into cash. F American compan...
