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、About 1920. B、Around 1925. C、Around 1930. D、About 1935. A短文中提到,1920年,美国用于农业生产的马、骡数量有2500多万,“同时一个竞争者开始大量出现。拖拉机……”意即1920年拖拉机开始大量
A、About 1920. B、Around 1925. C、Around 1930. D、About 1935. A短文中提到,1920年,美国用于农业生产的马、骡数量有2500多万,“同时一个竞争者开始大量出现。拖拉机……”意即1920年拖拉机开始大量
admin
2019-07-18
84
问题
Over the years, new technologies have changed farming. Change m 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. 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 farmers 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.[25]In fact, soybeans are the second most valuable crop grown by American farmers after corn. Much of the soybean production goes to exports.
22. In which year did tractors begin to appear in large numbers?
23. How many horses and mules did America have in the 1960s?
24. What is America’s most important crop for high-protein animal feed and for vegetable oil?
25. What is the most valuable crop grown by American farmers?
选项
A、About 1920.
B、Around 1925.
C、Around 1930.
D、About 1935.
答案
A
解析
短文中提到,1920年,美国用于农业生产的马、骡数量有2500多万,“同时一个竞争者开始大量出现。拖拉机……”意即1920年拖拉机开始大量涌现,故A正确。
转载请注明原文地址:https://kaotiyun.com/show/McZ7777K
0
大学英语四级
相关试题推荐
NeedaBrainBoost?Exercise!A)Ifyouspendyourworkdayatadesk,youknowthatfamiliaranddreadedfeeling:themid-aftern
A、Thechildrenoftheinternationaldiplomaticcorps.B、TheprogramofInternationalBaccalaureateschoolsC、Theschooldistrict
A、Throughthewindows.B、Throughthechimney.C、Throughthedoors.D、Throughaholeintheroof.D
It’sveryinterestingtonotewherethedebateaboutdiversity(多样化)istakingplace.Itistakingplaceprimarilyinpolitical
A、Children’sfriends.B、Parentingstyles.C、Sleepinghabits.D、Learningconditions.B短文提到研究是在考虑一些因素之后才确定喝苏打水与侵略性行为有关联,其中提到家长的教养方
A、Itsbatteryisnotpowerfulenough.B、Itsbatteryisofenormoussize.C、Itcoststoomuchmoney.D、Itbreaksdowneasily.A短文
Couldthereasonfortheworld’seconomicmisfortunesallcomedowntofingerlength?Althoughcertainlyanoversimplificationo
A、Theuser’sposition.B、Thespeedofthesatellites.C、Thedistancetodestination.D、Theinformationtotheearth.A根据录音最后一句“一
A、Totakemedicine.B、Tosleepmore.C、Toworkless.D、Togotraveling.A本题符合短文听力“听到什么就选什么”的原则。原文说病人控制焦虑症的最好方法是服用药物。因此A正确。语义突出之处
A、Insidethecar.B、Atthefootofthehill.C、Inthegarage.D、Inthesupermarket.D关键是听懂文章最后一句,其中提到“跑车司机刚走出超市”,说明事故发生时,那个司机在超市
随机试题
春天的梦黎明,窗外飘着雪花,静静地,静静地……啊,多像梦的使者。蓦地,几行诗句涌上心头:闪亮的雪花,轻柔晶莹,每一片都是一个温馨的梦。让树枝看见了新绿,让街道看见了浓荫。哦,在这落雪的早晨,我忽地闻到了丁香的芬芳,听见了蜜蜂的歌唱……春
ThatsmallcountryAatonetimeBmustbeprosperous,CforitenjoyedDahighlevelofcivilization.
天然的雌激素是:
关于咳嗽的描述下列哪项正确
前置胎盘孕妇38周后可下床活动。()
下列选项中,有关工程竣工日期的错误表述是()。
目前,我国上海期货交易所采用( )交割方式,郑州商品交易所采用( )交割方式。
财务费用是物业服务企业在预算期内为筹措资金而发生的各项费用,具体包括()
东望洋山是香港第一高峰。()
大陆法系与英美法系的区别主要表现在()
最新回复
(
0
)