A. what B. that C. as D. than 相关知识点: 试题来源: 解析 A。解析:“ten times what it was 20 years ago”表示“是 20 年前的十倍”,what 引导宾语从句,B 选项 that 无此用法,C 选项 as 用于原级比较,D 选项 than 用于比较级。反馈 收藏 ...
years ago. However, nowadays the world's population has reached more than 7 billion.1 The world has developed so rapidly that a lot of people are having a modern life. 2First, a lot of people can't get job chances.The situation is the same all over the world.Second, there are not ...
C. That means the human population has increased by nearly 20 times in the recent thousand years. D. This causes many other problems, such as illnesses, death and so on. E. But at the same time, the rapidly growing population also caused many serious problems. 相关知识点: ...
some mines have had 20 years’ worth of “reserves” for more than a century. world reserves of almost all commodities are greater now than they were 50 or 100 years ago.[109] [110] * Estimates of world cobalt reserves almost tripled from 1973 to 2015, despite more than two million...
A. as twice large as B. twice as large as C. as twice much as D. twice as much as 相关知识点: 试题来源: 解析 答案见上20.B 句意:十年前,我们村的人口是他们村人 口的两倍。 此处应用“倍数十as+adj. +as” 结构,故选 B。 反馈 收藏 ...
15 years ago, however, nowa days the world's population has reached more than 7 billion. 1 The world has developed so rapidly that a lot of people are having a modern life. 2 First, a lot of people can't get job chances The situation is the same all over the world. Second, ...
This report presents estimates of the population of the United States by single years of age to age 84 and by 5-year age groups to 100 years and over by race and sex for July 1 1980 to July 1 1982. Comparable figures are also shown for April 1 1980. Estimates are shown for the tot...
确切数量常用数词+hundred/thousand/million/billion+名词的复数形式；不确切数量常用hundreds/thousands/millions/billions + of+名词的复数形式.根据语境可知选择B。点评：区分确切数量和不确切数量的表达方式，有几个关键点要分清楚。确切数量必须要有基数词,且量词不能用复数形式；不确切数量的量词必须要有...
200 years ago there were less than one billion humans living on earth. Today, according to UN calculations there are over 7 billion and projected in 2100 it will be around 11 billion with the growth rate of 2.1. At 1 BC the the population expected to be 188 Million, and at 10000 BC ...
Four hundreds B Four hundred C Four hundred of D Four hundreds of 下一题 __people will go to the party. Do you know? #51484 A Millions of B Million of C Five Millions D Million Chinese people have been using paper for over___ years. #51001...