[单项选择]
Directions: There are 5 passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are 4 choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on your Answer Sheet with a single line through the center.
Passage 1

Population tends to grow at an exponential(指数的)rate. This means that they progressively double. As an example of this type of growth rate, take one penny and double every day for one month. After the first week, you would have only 64 cents, but after the fourth week you would have over a million dollars. This helps explain why the population has come on "all of a sudden". It took from the beginning of human life to the year 1830 for the population of the earth to reach one billion. That repents(缓慢进行)a time span of a A. 100 years B. 145 years C. 1975 years D. over two million years 查看答案 更多"Directions: There are 5 passages in"的相关试题: [单项选择] Directions: There are 4 passages in this part. Each of the passages is followed by 5 questions or unfinished statements. For each of them there are 4 choices marked A, B, C and D. Choose the best one and mark your answer on the ANSWER SHEET with a single line through the center. Passage One Andrea had never seen an old lady hitchhiking before. However, the weather and the coming darkness made her feel sorry for the lady. The old lady had some difficulty in climbing through the car door, and pushed her big brown canvas shopping bag down onto the floor under her feet. She said to Andrea, in a voice that was almost a whisper, "Thank you dear - I’m just going to Brock Bourne" Something in the way the lady spoke, and the way she never turned her head, made Andrea uneasy about this strange hitchhiker. She didn’t know why, b A. the hitchhiker was an old woman B. she was curious about the old lady C. the lady had a heavy bag D. she knew the old lady 查看答案 [单项选择] Directions: There are 5 passages in this part. Each passage is followed by six questions or unfinished statements. For each of them there are four choices marked A, B, C and D. Passage One It’s not just your imagination. In cities from coast to coast, the use of Spanish is booming, and is proliferating in ways no other language has before in the U.S. history--other than English of course. It’s this sort of environment that is a cause for concern for many. Mauro Mujica heads a group called "U. S. English," which lobbies for official English laws across the country. He’s concerned that with so many Spanish speakers entering the country, the U.S. will become a nation split by language, much like Canada. "Now we’re beginning to divide ourselves, to split along linguistic lines. We’re beginning to see pockets of people who s A. adds color to the muhicultural society B. poses enough threat to national unity C. creates more jobs for the immigrants D. causes trouble with regard to equality 查看答案 我来回答: 提交 最新试题 ●    [单选题]根据《食品生产经营风险分级管理办法》,食品生产企业风险等级从低到高划分为( )。 ●    [判断题]设备操作规程是操作人员掌握操作技能的技术性规范，其中要求操作者在操作设备前现场清理和设备状 ●    [判断题]曲线欠超高或超高顺坡率需采用困难条件时，应优先采用欠超高困难条件。 ●    [多选题]对接触线局部磨耗、损伤处理方法正确的是（ ）。（职工）（应知应会-《接触线检修作业指 ●    [单选题]现金整点标准中的捆紧，要求扎把的腰条应在票面的( )处扎紧；一捆票币用绳捆扎成双十字型后， ●    [多选题]在所选定的衡算体系或衡算单元中，下列哪几个选项始终符合质量守恒定律( ) 网站地图 我要搜题网  版权所有  ©2024  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： 截图扫码使用小程序[完全免费查看答案] 前往小程序 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