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【单选题】
关于股票质押回购规则的说法，正确的有( )。 Ⅰ、股票质押回购是指符合条件的资金融入方(融入方)以所持有的股票或其他证券质押，向符合条件的资金融出方(融出方)融入资金，并约定在未来返还资金、解除质押的交易 Ⅱ、证券公司根据融入融出方的委托向上海证券交易所综合业务平台的股票质押回购交易系统进行交易申报 Ⅲ、证券公司应当建立健全的股票质押回购风险控制机制，根据相关规定和自身风险承受能力确定业务规模。上海证券交易所据此对其交易规模进行前端控制 Ⅳ、融入方、融出方、证券公司各方根据相关法律法规、部门规章及《股票质押式回购交易及登记结算业务办法(试行)》的规定，签署《股票质押回购交易业务协议》A.
Ⅰ、Ⅲ
B.
Ⅱ、Ⅳ
C.
Ⅰ、Ⅱ、Ⅲ
D.
Ⅰ、Ⅱ、Ⅲ、Ⅳ
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举一反三
【单选题】Which statement best describes the relationship between genotype and phenotype?
A.
'Genotype' and 'phenotype' both describe the physical properties of cells and organisms, just using different words or symbols.
B.
Phenotype is entirely the consequence of a cell's genotype, which is why we now recognize the principle of 'genetic determinism.
C.
The genes found in a cell are that cell's genotype, and genes directly control a cell's phenotype.
D.
The genotype determines what proteins a cell contains, and the proteins in turn determine the cell's properties, or phenotype.
【单选题】Which of the following statements regarding the Drosophila Bar phenotype is NOT true?
A.
Unequal crossing over event may give a rise to the duplication of the Bar region.
B.
The trait is inherited as a complete dominant where both homozygous and heterozygous show similar phenotype.
C.
The more Bar segment copy the fly has, the more reduced the facets in the eyes get.
D.
The Bar phenotype reflects the genetic phenomenon called gene dosage effect.
E.
The balance of gene product is critical to cell function and normal development.
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