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提问人:网友f******g 发布时间:2022年3月12日 11:38
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教学案例是不能杜撰和虚构的。

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钻遇砂岩后,砂岩的空隙中含有油气水,伽马数据在油气水不同层位的变化为()
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B.伽马在水层的数值最低,油和气层比水层高
C.伽马数据在油气水层的数值基本一样,变化不大
D.气层的伽马数值最低,水层比气层高一些,油层最高
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84.碳的质量分数小于( )的铁碳合金称为碳素钢。
A . (A)1.4%B . (B)2.11%C . (C)0.6%D . (D)0.25%
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城市道路分类有:()
A.快速路
B.主干路
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[图] 的系统命名法的名称是:烯丙基苯...
的系统命名法的名称是:烯丙基苯

的系统命名法的名称是:烯丙基苯
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甲公司采用销售百分比法预测2014年外部资金需要量。2013年销售收入为4000万元,销售净利润率为15%,敏感资产和敏感负债分别占销售收入的48%和22%。若预计2014年甲公司销售收入将比上年增长20%,留存收益将增加130万元,则应追加资金需要量为()万元。
\tA.54
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砌体施工中哪些部位不得设置脚手眼?
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在甲醇精馏中,提高粗甲醇的水分含量,精馏塔釜温度将()。
A . A、上升
B . B、下降
C . C、不变
D . D、二者没有关系
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绿色食品、有机食品、无公害农产品标准对产品的要求由高到低依次排列为()。

A . 绿色食品、有机食品、无公害食品B . 有机食品、绿色食品、无公害食品C . 绿色食品、无公害食品、有机食品D . 无公害食品、有机食品、绿色食品
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古代没有国际法的词汇和概念。

A . 正确B . 错误
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A.毛茛科B.木通科C.豆科D.马兜铃科E.茜草科
A.B.C.D.E.
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“教,上所施,下所效也;育,养子使作善”,把“教育”作此解释的是( )。
A.许慎
B.孔子
C.朱熹
D.韩愈
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C With only about 1,000 pandas left in the world, China is desperately trying to clone the animal and save the endangered species. That’s a move similar to what a Texas A&M University researcher has been undertaking for the past five years in a project called "Noah’s Ark". Dr. Duane Kraemer, a professor in Texas A & M’s College of Veterinary Medicine and a pioneer in embryo(胚胎) transfer work and related procedures, says he salutes the Chinese effort and" I wish them all the best success possible. It’s a worthwhile project, certainly not an easy one, and it’s very much like what we’re attempting here at Texas A&M--to save animals from extinction. " Noah’s Ark is aimed at collecting eggs, embryos, semen(精子) and DNA of endangered animals and storing them in liquid nitrogen. If certain species should become extinct, Kraemer says there would be enough of the basic building blocks to reintroduce the species in the future. It is estimated that as many as 2,000 species of mammals, birds and reptiles will become extinct over the next 100 years. The panda, native only to China, is in danger of becoming extinct in the next 25 years. This week, Chinese scientists said they grew an embryo by introducing cells from a dead female panda into the egg cells of a Japanese white rabbit. They are now trying to implant the embryo into a host animal. The entire procedure could take from three to five years to complete. "The nuclear transfer of one species to another is not easy, and the lack of available panda eggs could be a major problem," Kraemer believes. "They will probably have to do several hundred transfers to result in one pregnancy. It take s a long time and it’s difficult, but this could be groundbreaking science if it works. They are certainly not putting any live pandas at risk, so it is worth the effort , "adds Kraemer, who is one of the leaders of the Missyplicity Project at Texas A&M, the first ever attempt at cloning a dog. "They are trying to do something that’s never been done, and this is very similar to our work in Noah’s Ark. We’re both trying to save animals that face extinction. I certainly applaud their effort and there’s a lot we can learn from what they are attempting to do. It’s a research that is very much needed. \  
C
With only about 1,000 pandas left in the world, China is desperately trying to clone the animal and save the endangered species. That’s a move similar to what a Texas A&M University researcher has been undertaking for the past five years in a project called "Noah’s Ark".
Dr. Duane Kraemer, a professor in Texas A & M’s College of Veterinary Medicine and a pioneer in embryo(胚胎) transfer work and related procedures, says he salutes the Chinese effort and" I wish them all the best success possible. It’s a worthwhile project, certainly not an easy one, and it’s very much like what we’re attempting here at Texas A&M--to save animals from extinction. "
Noah’s Ark is aimed at collecting eggs, embryos, semen(精子) and DNA of endangered animals and storing them in liquid nitrogen. If certain species should become extinct, Kraemer says there would be enough of the basic building blocks to reintroduce the species in the future.
It is estimated that as many as 2,000 species of mammals, birds and reptiles will become extinct over the next 100 years. The panda, native only to China, is in danger of becoming extinct in the next 25 years.
This week, Chinese scientists said they grew an embryo by introducing cells from a dead female panda into the egg cells of a Japanese white rabbit. They are now trying to implant the embryo into a host animal.
The entire procedure could take from three to five years to complete.
"The nuclear transfer of one species to another is not easy, and the lack of available panda eggs could be a major problem," Kraemer believes. "They will probably have to do several hundred transfers to result in one pregnancy. It take s a long time and it’s difficult, but this could be groundbreaking science if it works. They are certainly not putting any live pandas at risk, so it is worth the effort , "adds Kraemer, who is one of the leaders of the Missyplicity Project at Texas A&M, the first ever attempt at cloning a dog.
"They are trying to do something that’s never been done, and this is very similar to our work in Noah’s Ark. We’re both trying to save animals that face extinction. I certainly applaud their effort and there’s a lot we can learn from what they are attempting to do. It’s a research that is very much needed. \
 
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目前经济管理学界中出现的人性假设学说主要有()。
A.经济人 B.社会人 C.管理人 D.复杂人 E.自我实现人
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我们在做战略设计的时候,洞察环境只需覆盖到企业、行业、国家就行,跨国企业需要关注全球环境,其余类型公司就无需关注了()
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邮政密码汇款申请退汇后,汇款人凭原预留密码可直接办理退汇业务。
A.正确 B.错误
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