首页
财务会计
医药卫生
金融经济
考公考编
外语考试
学历提升
职称考试
建筑工程
IT考试
其他
登录
职称考试
下面的短文后列出了 7 个句子,请根据短文的内容对每个句子做出判断:如果该句提供的是正确信息,请选择A ; 如果该句提供的是错误信息,请选择B ; 如果该...
下面的短文后列出了 7 个句子,请根据短文的内容对每个句子做出判断:如果该句提供的是正确信息,请选择A ; 如果该句提供的是错误信息,请选择B ; 如果该...
admin
2020-12-24
61
问题
下面的短文后列出了 7 个句子,请根据短文的内容对每个句子做出判断:如果该句提供的是正确信息,请选择A ; 如果该句提供的是错误信息,请选择B ; 如果该句的信息文中没有提及,请选择C。
How Many Species Live in the Sea?
How many species are there in the sea? Some 230,000 recorded so far, all of which will soon be available to anyone at the click of a mouse.
The World Register of Marine Species is launched today by the Census of Marine Life. Once complete,it will provide the first definitive (权威性的)list of all known species in the worlds oceans. The Register is freely accessible online and includes descriptions of the species ancf photos. It will allow both the public and scientists to identify species they come acrossandeasilyrecogniseentirelynewspecies.
Until now censuses have been incomplete, focusing on single species or regions, making proper assessment of the impact of humans on oceans difficult. “ Convincing warnings about declining populations of fish and other marine species must rest on a valid census,” says Mark Costello of the University of Auckland, co-founder of the World Register.
Jesse Ausubel of the Sloane Foundation, which funds the Census of Marine Life, says he was first struck by the need to catalogue marine species in 2000, when he realised the UN Environment Programme’s Global Biodiversity Assessment had little information on what lived in the sea. Ausubel asked the marine life specialist, Frederick Grassle of Rutgers University, US, how many species there were in the sea. He was told that the best estimate was between 1 and 10 million.
“ I asked him if he could at least give me a list of the species that were known at the time" says Ausubel. Grassle was embarrassed to admit he could not. u How could there not be a list in the year 2000 of what we knew to live in the oceans?” marvels Ausubel.
Since then, the Census of Marine Life has worked to establish such a list. With the help of experts worldwide, they are carefully reviewing and compiling published records of marine species. Much of the work has focused on identifying species given different names that are in fact the same.
So far, the catalogue contains 122,000 species, about half the estimated 230,000 known species. There are still millions more ocean species to be discovered. But how about Grassle’s estimate of between 1 and 10 million total marine species?
“ We think that a million is reasonable,” says Ausubel, adding that experts have little idea what the upper limit could be.
Frederick Grassle is a professor of biology.
选项
A Right
B Wrong
C Not mentioned
答案
C
解析
转载请注明原文地址:https://ti.zuoweng.com/ti/OMsQKKKQ
相关试题推荐
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。 ADoctorintheHou...
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。 ADoctorinthe...
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。
下面的短文有5处空白,短文后有6个句子,其中5个取自短文,请根据短文内容将其分别放回原有位置,以恢复文章原貌。
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6...
随机试题
X线片上牙周膜间隙为() A.0.05~0.15mm B.1.5~3.5mm
执行一般程序的案件调查完毕后,通信主管部门负责人应当及时审查有关案件调查材料、当
可贷资金利率理论认为利率的决定取决于( )。
做好发展党员工作对于增强党的阶级基础、扩大党的()具有重要战略意义。A.工人基础B.农民基础C.群众基础D.组织覆盖面
( )是员工工作时间的自然极限,是整个时间资源的总量。A.全部实际工作时间B.制度工作时间C.制度内实际工作时间D.日历时间
市场风险管理的主要措施,下列表述错误的是()。A、密切关注宏观经济指标和趋势,重大经济政策动向,重大市场行动,评估宏观因素变化可能给投资带来的系统性风险,定期
地下消火栓应每季进行一次检查保养,内容主要包括()。A.用专用扳手转动消火栓启闭杆,观察其灵活性,必要时加注润滑油B.检查消火栓和消防卷盘供水闸阀是否漏水,
下列不能用X2检验的是A.成组设计的两样本频率比较B.配对设计的两样本频率比较C.多个样本频率比较D.频数分布比较E.等级资料试验效应间的比较
共用题干 某住宅小区总占地面积12万m2,建筑容积率为4.5,分两期开发,一期占地面积6万m2,其中保障性住房建筑面积10万m2,地下停车库与地下设备用...
某公司职员王小姐于2008年4月领取工资8000元,依据新的个税起征点2000元的标准,则她当月应缴纳的个人所得税为()。A:825元B:905元C:800