Five hundred years ago,the population of the world was about 460 million.In 1900,the world's population was under 2 billion (十亿).Right now it is doubling every 40 years.That means,if this rate of growth continues,when you are a parent,there will be twice as many people on earth as...
I'm here to tell you the population of Earth is a lot like those stars. In parts of the globe, the human population is already, or will soon be, shrinking. I know what you're thinking. And yes, total population is still growing from eight billion today to a peak of probably nine ...
16.Liu Mei’s home town is in the ___ of Guangdong.A.south B.west C.east17.The population of Liu Mei’s home town was ___ thirty years ago.A.5,315 B.5,350 C.300,00018.There were ___ in the fields behind Liu Mei’s home town thirty years ago.A.carrots B.potatoes C.tom...
C.The living creatures on earth are getting less perse. D.Traditional products are not environmentally friendly. 【2】What can we learn about 4-in-l Recycle Program A.The recyclable materials can be collected officially or privately. B.The importers and manufactures cover the costs of the progr...
【题目】WT opic: What will happen in 100 years?In 100 years, the population of the earth is increasing very fast. More people will diecaof hungel because there isn't enough food for them. T hen the agriculture(农业) mustdevelop rapidly. Such a rapid development peroduces more and more ...
It is estimated that in the year A)D)100 the population of the earth was about ___. A. 800 thousand B. 1 million C. 250 million D. 500 million正确答案:C 解析:细节推断题。从文中第一段第一句不难看出此题的答案为C。 相关知识点: 试题来源...
The age at which women become fecund apparently declined significantly during the 20th century; as measured by the age ofmenarche(onset of menstruation), British data suggest a decline from 16–18 years in the mid-19th century to less than 13 years in the late 20th century. This decline is...
Great Lakes, chain of deep freshwater lakes in east-central North America comprising Lakes Superior, Michigan, Huron, Erie, and Ontario. They are one of the great natural features of the continent and of the Earth. Although Lake Baikal in Russia has a larger volume of water, the combined ar...
[听力原文]1-5Interviewer: As we all know, more people have been added to the Earth’s population in the 20th century than at any other time in human history. A report shows that "In 1900, just 100 years ago, the world’s human population numbered two billion people. Today, the total...
The population has grown a lot during the last 10 years. The average age in China is 38. 8. China’s population is still young and strong. There are more children aged 0—14 than there were 10 years ago. Many of them are the second child in their family. There are more old people...