首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
A、Corn. B、Soybean. C、Oat. D、Rye. A短文结尾处提到,“事实上,大豆是继玉米之后美国农民种植的第二大最有价值的农作物。”可见最有价值的农作物是玉米,答案是A。
A、Corn. B、Soybean. C、Oat. D、Rye. A短文结尾处提到,“事实上,大豆是继玉米之后美国农民种植的第二大最有价值的农作物。”可见最有价值的农作物是玉米,答案是A。
admin
2013-10-08
49
问题
Over the years, new technologies have changed farming. Change in a general direction is a trend. Yet people often recognize trends only when they consider the past. Today, we look back at some trends in American agriculture. In 1920, America had more than 25 million horses and mules. Most were used for farm work. Around the same time, a competitor began to appear in large numbers. Tractors could turn soil, pull loads and speed harvests—and they could do it better. More tractors meant fewer horses and mules.[33]By the 1960s, the numbers of these work animals settled to where they remain today. That is about one-tenth the levels in 1920. Yet even the demand for tractors had its limits. Their numbers have been slowly decreasing since 1982. Experts say farmers can do more with less now because of new technologies. As tractors replaced horses and mules, farmers no longer needed to raise crops to feed work animals. Oats have long been food for horses and mules. In 1954, American farmers planted over sixteen million hectares of oats. By 2000, that was down to less than one million hectares. So what did the farmers do with the extra land? More and more fanners began to plant a new crop around the same time that the tractor became popular. It was the soybean. The soybean is one of the oldest plants harvested. Yet it was not planted widely in the United States until the 1920s. By the year 2000, close to 30 million hectares were planted with soybeans. It is the nation’s most important crop for high-protein animal feed and for vegetable oil. In fact, soybeans are the second most valuable crop grown by American farmers after corn. Much of the soybean production goes to exports.
32. In which year did tractors begin to appear in large numbers?
33. How many horses and mules did America have in the 1960s?
34. What is America’s most important crop for high-protein animal feed and for vegetable oil?
35. What is the most valuable crop grown by American farmers?
选项
A、Corn.
B、Soybean.
C、Oat.
D、Rye.
答案
A
解析
短文结尾处提到,“事实上,大豆是继玉米之后美国农民种植的第二大最有价值的农作物。”可见最有价值的农作物是玉米,答案是A。
转载请注明原文地址:https://kaotiyun.com/show/u3c7777K
0
大学英语四级
相关试题推荐
A、Savingmoney.B、Travelingbybus.C、Enjoyingcitylife.D、Travelingonfoot.CWhatistheadvantageoflivingclosetothecit
Whydoesn’ttheauthorwanttotalkaboutbeingawomanscientistagain? FromParagraph2,wecaninferthatpeoplewouldattr
AccordingtotheWorldHealthOrganisation,malaria,adiseasespreadbymosquitoes,affectsmillionsofpeopleeveryyear.Ever
Ifhe______inthatwayformuchlongerhewillfindhimselfinthebankruptcycourt.
A、Shecouldhelphimwiththeproblems.B、Heshouldgooutforawhile.C、Shecouldgoouttogetherwithhim.D、Heshoulddothe
A、85yearsago.B、DuringtheVietnamWar.C、ImmediatelyaftertheVietnamWar.D、Inthe1980s.B事实细节题。短文中明确提到,越南战争期间,博物馆本身就是一个复制
A、InTokyo.B、InJapan.C、InMassachusetts.D、IntheStates.BWherearethetwospeakersnow?
California,longaleaderoncleanairandotherenvironmentalissues,isdoinggoodthingsagain.Thestate’spowerfulAirReso
A、Hismother’suseofthewashingmachine.B、Hisfather’sturningonthemicrowaveoven.C、HislonghoursofwatchingTV.D、The
A、OnFriday.B、OnSaturday.C、OnSunday.D、OnMonday.C选项表明,本题考查时间。根据男士提到的butIstartedtofeelsickonSundayafternoon可知,男士是在星
随机试题
(2020年昌邑)程序性知识的表征形式是()
颁布《突发公共卫生事件应急条例》的是
多巴胺最适用于治疗的是
甲公司是一家非上市大型企业,为了提前实施《企业内部控制基本规范》,正在考虑设立审计委员会。下列各项关于甲公司设立审计委员会的具体方案内容中,正确的有()。
世界各国动画片常常以儿童为主角,展示儿童的正义、善良、机智、勇敢。下图展示的是哪部动画片的哪位儿童形象?()
一个国家的教育目的是由该国的()决定的。
2013年4月,中共中央政治局召开会议,决定从下半年开始,用一年左右时间,在全党开展以“为民、务实、清廉”为主要内容的党的群众路线教育实践活动。开展党的群众路线教育实践活动()。
A、 B、 C、 D、 A
已知2CA-2AB=C-B,其中A=则C3=________。
数控编程常需要用参数来描述需要加工的零件的图形。在平面坐标系内,确定一个点需要2个独立的参数,确定一段圆弧需要_____________个独立的参数。
最新回复
(
0
)