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【单选题】
在制定检验批的抽样方案时，为合理分配生产使用方的风险，主控项目对应于合格质量水平的错判概率和漏判概率均不宜超过( )A.
5%
B.
6%
C.
8%
D.
10%
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【单选题】听力原文：M: I didn't expect to see you here. W: Francis was sick and asked me to work today instead. Q: What can be concluded from this conversation? (14)
A.
The woman is taking Francis'place at work.
B.
Francis and the woman are working together today.
C.
The woman is expecting to take today off.
D.
Francis asked if the woman was sick.
【简答题】1953年James watson和Francis Crick提出的______模型，标志着遗传学进入了分子遗传学时期。
【简答题】(1) Francis Watson was far from being ____(mere) a furniture expert.
【单选题】James Watson, who later headed the Human Genome Project, along with Englishman Francis Crick discovered the double helix in 1953, the basic structure of DNA, when the two were young scientists.
A.
James Watson, who later headed the Human Genome Project, along with Englishman Francis Crick discovered the double helix in 1953, the basic structure of DNA, when the two were young scientists.
B.
The double helix, the basic structure of DNA, was discovered in 1953 by two young scientists, the Englishman Francis Crick and James Watson, who later headed the Human Genome Project.
C.
The basic structure of DNA, the double helix, was discovered in 1953 by the Englishman Francis Crick and James Watson, later head of the Human Genome Project, two young scientists.
D.
The Englishman Francis Crick and James Watson, later heading the Human Genome Project, were the young scientists who discovered the basic structure of DNA in 1953, which was the double helix.
E.
The basic structure of DNA, the double helix, was discovered by James Watson, later head of the Human Genome Project, along with another of two young scientists, the Englishman Francis Crick, in 1953.
【单选题】In ____, the double-helix structure of DNA was determined by James Watson and Francis Crick who published their discoveries in Nature.
A.
1943
B.
1948
C.
1953
D.
1958
【单选题】The first technological revolution in modern biology started when James Watson and Francis Crick described the structure of DNA half a century ago. That established the fields of molecular and cell bi...
A.
The molecular and cell structure are found during the first revolution.
B.
Scientists sequenced the human genome half a century ago.
C.
Scientists have completely understood the mystery of DNA
D.
The origins of some diseases have been found in the second revolution.
【简答题】计算机的发展阶段经历了 ( ) 、 ( ) ( ) 、 ( )四个阶段。
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