,后接具体增长或降低后的数字.本句第一空意思是"增长了六倍". 第二空后的分句中was后面缺少表语,所以填what.故选:A.世界人口的增长是1800年的6倍.本题考查介词.考生应弄清楚各个介词的含义以及它们之间的区别,了解某些介词的特殊用法,然后根据上下文的语境选择正确答案.反馈 收藏
In 1800,only three percent of the world's population lived in cities.Only one city-Beijing-had a population of over a million.Most people lived in rural areas,and never saw a city in their lives.In 1900,just a hundred years later,roughly 150million people lived in cities,and the world'...
The world's population first reached one billion people in 1803, and reach eight billion in 2023, and will peak at almost 11 billion by the end of the century.
C 此题考查倍数表达，句意：世界的人口应经增长到1800年的六倍多，后一个分句中was后面缺少表语，故用what,所以选C。
The world’s population has grown by ___ it was in 1800. A.more than six times that B.six times more than that C.more than six times what D.six times as many as
In 1800,only three percent of the world's population lived in cities.Only one city - Beijing - had a population of over a million.Most people lived in rural areas,and never saw a city in their lives.In 1900,just a hundred years later,roughly 150 million people lived in cities,and the...
(1)by six times what it was in 1800,意为“比1800年(增长了)六倍”,what it was in 1800是what引导的名词性从句,意为“1800年时的情况(数量)”;six times相当于形容词,修饰名词性从句what it was in 1800。 (2)英语中常见的倍数表达法有: A+be+倍数+as+adj./adv.原级+as+B A+be+倍数+adj....
The world’s population has grown it was in 1800.A.six times more than whatB.more than six times whatC.six times more than whichD.more than six times that
这是一个主句和一个从句的关系，主句The world's population has grown to more than six times，从句it was in 1800，单看从句，句子完整不缺成分，肯定就不能选that/what/which，只有选一个时间状语。所以选when The
In 1800, only three percent of the world's population lived in cities. Only one city — Beijing — had a population of over a million. Most people lived in rural areas, and never saw a city in their lives. In 1900, just a hundred years later, roughly 150 million people lived in cit...