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【判断题】
有机溶剂沉淀法是一种高分辨率的蛋白质分离方法，适用于蛋白质的精纯化。A.
正确
B.
错误
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【多选题】下列各项中,属于认股权证筹资特点的有
A.
认股权证是一种融资促进工具
B.
认股权证具有期权性
C.
有助于改善上市公司的治理结构
D.
有利于推进上市公司的股权激励机制
【单选题】Washington D.C. is named after___________.
A.
the U.S. President George Washington
B.
Christopher Columbus
C.
both George Washington and Christopher Columbus
D.
none of them
【单选题】What does the author say about the weather?
A.
It is rare for Washington,D.C. to have such long rainy days.
B.
It has been mining since Sept 26th for the most of the time.
C.
It is favorable to the manufacturers to promote solar equipment.
D.
It has helped see the disadvantages of solar energy.
【简答题】如下图所示,求ab端口的开路电压值为 V。
【多选题】下列各项中，属于认股权证筹资特点的有
A.
认股权证是一种融资促进工具
B.
认股权证是一种高风险融资工具
C.
有助于改善上市公司的治理结构
D.
有利于推进上市公司的股权激励机制
【单选题】Washington D.C. is located between ( ) and ( ).
A.
Maryland, Virginia
B.
Washington, Virginia
C.
Washington, Maryland
D.
West Virginia, Virginia
【单选题】自身输液的作用主要是指
A.
容量血管收缩,回心血量增加
B.
抗利尿激素增多,水重吸收增加
C.
醛固酮增多,钠水重吸收增加
D.
组织夜回流多于生成
E.
动-静脉吻合支开放,回心血量增加
【单选题】Which state does Washington D.C. belong to?
A.
New York
B.
no state
C.
Maryland
D.
Washington
【简答题】A. He just couldn't appreciate the music. B. He disagrees with the woman. C. He likes to play the piano. D. He also enjoyed the concert.
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