首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
When did the world’s population reach six billion?
When did the world’s population reach six billion?
admin
2012-08-05
37
问题
When did the world’s population reach six billion?
F: Professor Lee, the world’s population passed six billion on Octoberl 1, 1999, we are told. How long did it take to get there and how long will it take to reach seven billion? And ten billion?
M: The world’s population was 300 million at the dawn the Christian era, what we now call the year IAD. In AD1500, the world’s population reached 500 million. It took 304 years until 1804 to reach one billion, another 123 years until 1927, to reach two billion and then only another 33 years until 1960, to add another billion to reach three billion.
F: It’s very impressive that the recurring milestones of another billion added to the world’s population occurred quite quickly.
M: Indeed. The world population reached four billion in 14 years in 1974; five billion in 13 years in 1987, and six billion in 12 years in 1999. Data suggests that a world population of seven, eight, and nine billion will take respectively another 11,12 and 14 years to achieve. The world’s population should hit ten billion mid-way through the 21 century in the year 2054.
选项
A、2010.
B、2002.
C、2036.
D、2054.
答案
D
解析
由对话最后可知根据数据显示到2054年时世界人口将突破100亿。
转载请注明原文地址:https://kaotiyun.com/show/e7mK777K
0
专业英语四级
相关试题推荐
Nowmanyuniversitiesareaskingtheirstudentstoevaluatetheirteachers.Manystudentsareexcitedatthis,butmostteachers
Everyyear,2,000Americanlivesaresavedbytheselflessnessofothers.Thesearethebonemarrowdonorswhogivethegiftof
Whichofthefollowingisirrelevanttothecauseoftheexplosions?
Inourhighlytechnologicalsociety,thenumberofjobsforunskilledworkersis______.
Moderntechnologyandsciencehaveproducedawealthofnewmaterialsandnewwaysofusingoldmaterials.Fortheartistthism
Hisonlywish,beforehepassedaway,______.povertyoftheunderdevelopedareashasbeenputintorealitystepbystepnow.
______beforeweleavetomorrow,weshouldinviteallourfriendstoholdapartytowelcomethem.
Theevolutionofsexratiohasproduced,inmostplantsandanimalswithseparatesexes,approximatelyequalnumbersofmalesan
Our______wereturneddownwithoutanydiscussionatthemeeting.
随机试题
患者女性,60岁。因病态窦房结综合征植入AAI起搏器,下限起搏频率设定为800ms(频率为75次/分)。近来有心悸症状就诊,心电图检查见图4—8—19。避免发生上述现象的另一种解决方法是
DPB患者那种抗原阳性率偏高
关于免疫学法粪便隐血试验的叙述,错误的是
患者,女,28岁。在服用氯霉素后出现发热,头晕,乏力,心悸,气短,食欲减退,骨髓象示增生减低,巨核细胞明显减少。最可能的诊断是
职业安全健康管理体系策划的具体内容有()。
简述学生应遵循的义务。
联合国的宗旨是维护世界和平与安全,促进国际合作与发展。因此,打击恐怖主义应该()。
据交通部门去年对全国十大城市的统计,S市的汽车交通事故率最低。S市在前年实施了汽车特殊安检制度,提高了安检的标准和力度。为了有效降低汽车交通事故率,其他大城市也应该像S市那样,对本市的汽车实施特殊安检。以下哪项如果为真,最能削弱上述论证?
当前,信息技术、视听手段的空前发展,改变着人们的生活方式。可以说,这是发明蒸汽机和电力以来,最伟大的科学进步。不少人认为,电视、电脑提供的画面与音响,已足够提供人类所需要的信息与知识,超过了文字的功能。于是他们片面地认为,人类进入了所谓的“读图时代”。
WhenPaulGorski,thefounderofanorganizationcalledEdChange,visitscollegesanduniversitiestoadvisethemoncampusdive
最新回复
(
0
)