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【单选题】
在乳糖操纵子中，阻遏蛋白结合的是A.
操纵基因
B.
调节基因
C.
启动子
D.
结构基因
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举一反三
【单选题】Which of the following genetic diseases in not caused by expansion of a triplet repeat?
A.
Huntington’s disease
B.
Alzheimer’s disease
C.
Fragile X disease
D.
Myotonic dystrophy （ 强直性肌营养不良 ）
E.
Friedreich ataxia （弗里德希氏共济失调，遗传性共济失调）
【简答题】Explain the common reasons for Amendmen.
【单选题】A Convention about safety of life at sea was adopted in 1974 which included a new amendment procedure, according which an amendment shall enter into force .
A.
after being accepted by more than two thirds of the Parties
B.
after being accepted by more than half of the Parties
C.
within a specified period of time with no objections
D.
within a specified period of time with no exceptions
【简答题】肉猪在整个肥育期饲粮的能量水平保持在一定的水平瘦肉量的增长取决于饲料中的水平( )
【单选题】The Marriage Protection Act, contrary to what had been expected of constitutional amendment, was intended to ______.
A.
legalize the gay marriages in some states
B.
strip the federal courts of the power to arbitrate on gay marriage issues
C.
prevent the national legalization of gay marriages
D.
compromise with supporters of gay marriages
【多选题】下列关于发放工资的会计分录，说法不正确的有（ ）。
A.
贷记“银行存款”18万元
B.
贷记“应付职工薪酬——工资”18万元
C.
借记“应付职工薪酬——福利费”2万元
D.
借记“应付职工薪酬——工资”18．5万元
【单选题】在依靠项目自身产生的现金流或利润作为还款来源的信托产品风险中,( )是信托产品的最大风险之一。
A.
项目自身风险
B.
项目主体风险
C.
信托公司风险
D.
流动性风险
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