What was the world’s population about 100 years ago? A. 450 million. B. About 2 billion. C. 40 billion. D. 7 billion. 相关知识点: 试题来源: 解析 B 根据In 1900,the world’s population was under 2 billion.在1900年世界的人口不足二十亿,故选 B。反馈 收藏 ...
2.The population is increasing fast partly because ___. A.people live longer than before B.there are less wars than before C.medicine is developing faster than before D.more couples now would like to have children than before 3.What was the world's population 100 years ago? A.450 ...
62.The population is increasing fast partly because___.A.people live longer than beforeB.there are less wars than beforeC.medicine is developing faster than beforeD.more couples now would like to have children than before63.What was the world's population 100years ago?___...
This is about 3 percent of the total world population. Some experts believe that number will swell to 400 million by 2050. Rates of immigration have remained strong for the last 300 years, but patterns of immigration have changed since World War II. The backgrounds and experiences of today’...
根据短文开头Do you know how many people there were in the world 200 years ago? Just one billion. But only 100 years later, the population was increased by 100 percent.可知200年前世界上只有十亿人。但仅100年后,人口增长了百分之100。也就是说100年前有了二十亿人,所以该选C。【小题2】C细节...
aThe world's population now is more than six billion.that number is twice more than it was in 1960 and four times larger than it was 100 years ago .the population is expected to increase to more than nine billion by the year 2050 世界的人口现在六billion.that数字比它大于它100年前.the...
根据短文开头Do you know how many people there were in the world 200 years ago?Just one billion.But only 100 years later,the population was increased by 100 percent.可知200年前世界上只有十亿人。但仅100年后,人口增长了百分之100.也就是说100年前有了二十亿人。答案是C。2.答案:C解析:细节理解...
Now the Commonwealth includes 53 countries with 2.4 billion people, a third of the world’s population. 今年四月,英联邦各国元首会议在伦敦举办。1948年我父亲第一次举办这场会议的时候,只有8个国家列席。而现在我们有53个国家参与其中,代表着24亿人口,也就是全世界人口的三分之一。 Its strength lies in...
It took___ years for world population to grow from 1 billion to 3 billion. A. 100 B. 115 C. 130 D. 145 相关知识点: 试题来源: 解析 C 正确答案:C 解析:答案依据第五段第一句和第二句:In 1830,world population…just 30 more to add a third million.”世界人口在1830年达到了10亿。过...
Ittook___yearsforworldpopulationtogrowfrom1billionto3billion. A. 100 B. 115 C. 130 D. 145 相关知识点: 试题来源: 解析 C 本题为计算题,信息点定位在第五段,由1billion到2billion需100years,由2billion到3billion需30years,两者相加130years,即选项C。反馈 收藏 ...