The ocean bottom a region nearly 2.5
times greater than the total land area of the Earth is a vast frontier that even
today is largely unexplored and uncharted. Until about a century ago, the
deep-ocean floor was completely inaccessible, bidden beneath waters averaging
over 3 600 meters deep. Totally without light and Subjected to intense pressures
hundreds of times greater than at the Earth’s surface, the deep-ocean bottom is
a hostile environment to humans, in some ways as forbidding and remote as the
void of outer space. Although researchers have taken samples of deep-ocean rocks and sediments for over a century, the first detailed global investigation of the ocean bottom did not actually start until 1968, with the beginning of the National Science Foundation’s Deep Sea Drilling Project (DSDP). Using techniques first developed for the offshore oil and A. the Earth’s climate millions of years ago was similar to conditions in outer space B. it is similar to the ocean floor in being alien to the human environment C. rock formations in outer space are similar to those found on the ocean floor D. techniques used by scientists to explore outer space were similar to those used in ocean exploration [判断题]法律和党的政策最主要的区别在于前者具有规范性,后者不具有规范性。 ( )
[判断题]期货公司董事应当重点关注和保护客户、中小股东的利益,发表客观、公正的独立意见。( )
[单选题]平安车险通过在网上的选择就可以得到价格的大致数字,注册登记后则有线下服务人员的登门服务,最终完成车险的投保。这属于( )电商模式
A.B2B B.CTC C.O2O D.C2G [单选题]肾小球滤过率的平均值为
A. 15ml/min B. 125ml/min C. 60ml/min D. 90ml/min E. 30ml/min [填空题]凡从事接触网运行和检修的工作人员,都必须经过考试评定(),取得()后,方准许参加相应的接触网运行和检修工作。
[单项选择]与痫病密切相关的脏腑为()
A. 肝、脾、心、肾 B. 肝、脾、肺、肾 C. 肝、心、脾、肺 D. 肝、肺、心、肾 E. 肺、脾、心、肾 [多选题]C3中法人客户名下已录入了房地产押品信息,可以对其发起价值评估流程的人员有
A.主办客户经理 B.辅办客户经理 C.主管客户经理 D.关注客户经理 [判断题]供电方作业人员应会同客户工作负责人检查现场所做的技术措施,对具体的设备指明实际的隔离措施,证明检修设备确无电压。
A.正确 B.错误 [单选题]1.1~3%过氧化氢溶液用于
A.口腔绿脓杆菌感染 B.口腔霉菌感染 C.口腔内有脓血 D.咽部发炎 E.清洁口腔,预防感染 [判断题]炮掘巷道在爆破前后,必须加固、修复工作面迎头20米范围内的支护。
A.正确 B.错误 我来回答: 提交
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