[单项选择]
Passage One

When Columbus reached the New World, com was the most widely grown plant in the Americas. This plant’s range extended from what is now southern Canada to lower South America. At that time some tribes cultivated it at sea level, others at elevation(海拔高度) of more than 11 000 feet. "Columbus had no way of knowing that corn was far more valuable than the spices(香料) and gold he had hoped to find." said Frances B. King, a professor at a university of Pittsburgh. Through human intervention, this plant has developed into several hundred races, or varieties. Their heights vary from 2 to 12 feet, and their maturity ranges from little more than 2 months to almost a year. Their ears vary not only in color, but also in size. Unlike other cereals(谷类), corn bears little resemblance to its wild ancestors. In fact, it differs from the ap A. a new revolution B. new findings about corn C. the signs of com 5 500 years ago D. new dates for communities’ emergence 查看答案 更多"Passage One When Columbus"的相关试题: [单项选择] Passage One When Columbus reached the New World, com was the most widely grown plant in the Americas. This plant’s range extended from what is now southern Canada to lower South America. At that time some tribes cultivated it at sea level, others at elevation(海拔高度) of more than 11 000 feet. "Columbus had no way of knowing that corn was far more valuable than the spices(香料) and gold he had hoped to find." said Frances B. King, a professor at a university of Pittsburgh. Through human intervention, this plant has developed into several hundred races, or varieties. Their heights vary from 2 to 12 feet, and their maturity ranges from little more than 2 months to almost a year. Their ears vary not only in color, but also in size. Unlike other cereals(谷类), corn bears little resemblance to its wild ancestors. In fact, it differs from the ap A. was mainly grown at sea level B. was not grown below the elevation of 11 000 feet C. was widely grown in Canada only D. spread throughout Americas 查看答案 [单项选择]When I reached London, it had one of the thickest fogs in years. I could hardly see my hand in front of my face; cars and houses ran very slowly with their lights on. When evening fell (落下；下降), it got worse (更坏的，更差的).All traffic (交通) came (来，出现) to stop. Because I had an important meeting on the other side of Lon-don, I had to walk. Minutes later (后来，过一会儿), I was lost. Then I heard a young woman’ s voice (声音，发言权) out of the fog. "I think you are lost. Can I help you " I could hardly see her, but I was very glad to find another person out in the fog. I told her where I wanted to go and she said she knew very well how to get there. When I walked after her through the streets, I said "How can you find the way so easily (容易地) " "I know this part of London very well," she answered. "But in so thick (厚的，浓的) a fog it’s hard to see anything," I said. "With the fog or without the fog, it makes no difference (差异) to me. You see, I’m blind (瞎的，盲目的)," she answered. It w A. foggy B. rainy (下雨的，多雨的) C. cloudy 查看答案 [填空题] When I reached London, it had one of the thickest fogs in years. I could hardly see my hand in front of my face; cars and houses ran very slowly with their lights on. When evening fell (落下；下降), it got worse (更坏的，更差的).All traffic (交通) came (来，出现) to stop. Because I had an important meeting on the other side of Lon-don, I had to walk. Minutes later (后来，过一会儿), I was lost. Then I heard a young woman’ s voice (声音，发言权) out of the fog. "I think you are lost. Can I help you " I could hardly see her, but I was very glad to find another person out in the fog. I told her where I wanted to go and she said she knew very well how to get there. When I walked after her through the streets, I said "How can you find the way so easily (容易地) " "I know this part of London very well," she answered. "But in so thick (厚的，浓的) a fog it’s hard to see anything," I said. 查看答案 [填空题]Eating When One Feels Hungry 查看答案 [填空题]What can one use when one wants to buy stamps in some post offices One can use（）. 查看答案 [填空题]Going to Sleep When One Feels Sleepy 查看答案 [单项选择]There is little learning involved when one is reprimanded two or three months after the deed.（　） A. recommended B. reproached C. recompensed D. reversed 查看答案 [单项选择] Language When one looks back upon the fifteen hundred years that are the life span of the English language, he should be able to notice a number of significant truths. The history of language is a history of constant change--at times a slow, almost imperceptible change, at other times a violent collision between two languages. Language a living growing organism, it has never been static. Another significant truth that emerges from such a study is that language at all times has been the possession not of one class or group but of many. At one extreme it has been the property of the common, ignorant folk, who have used it in the daily business of their living, much as they have used their animals or the kitchen pots and pans. At the other extreme it has been the treasure of those who have respected it as an instrument and a sign of civilization, and who have struggled by writing it down to give it some permanence, order, dignity, and if pos A. The history of the English language. B. Our changing attitude towards the English language. C. Our changing language. D. Some characteristics of modern Englis 查看答案 我来回答: 提交 最新试题 ●    [单选题]铁路货车车轮轮缘内侧缺损长度为（ ）。 ●    [简答题]小朋友在.上课的时候玩手绢，老师跟他说先上课在玩儿，你怎么看? ●    [单选题] 下列选项中,( )不是客户维护的方法。 ●    [单选题]对于500kV线路，一般悬挂的瓷绝缘子片数为（）。 ●    Cisco路由器用于查看路由表信息的命令是（） ●    [判断题]矿井每年应制定综合防尘措施、预防和隔绝煤尘爆炸措施及管理制度,并组织实施。 ( 网站地图 我要搜题网  版权所有  ©2023  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码