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【单选题】
在原料量和组成相同的条件下，用简单蒸馏所得气相组成为x D1 ，用平衡蒸馏得气相组成为x D2 ，若两种蒸馏方法所得气相量相同，则（）。
A.
A
B.
B
C.
C
D.
D
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参考答案：
举一反三
【单选题】The Constitution is the foundation of the federal government in USA.
A.
True
B.
False
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【单选题】母禽输卵管中最长，弯曲最多，分泌物形成浓稠白蛋白的部位是
A.
膨大部
B.
漏斗部
C.
峡部
D.
子宫
查看完整题目与答案
【单选题】The United States of America ( USA ), commonly known as the United States ( U.S. ) or America , is a constitutional federal republic composed of ____ states , ____ federal district , five major self-g...
A.
49,1
B.
50,1
C.
48,2
D.
50,2
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【单选题】Suppose a wave of investor and consumer pessimism in the USA causes a reduction in spending. If the US Federal Reserve (which has a broader remit than the Bank of England which is charged only with co...
A.
increase government spending and decrease taxes.
B.
decrease the money supply.
C.
decrease government spending and increase taxes.
D.
decrease interest rates.
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【简答题】()是输卵管中最长的部位
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【单选题】宿舍楼屋面荷载中，属于可变荷载的是(    )。
A.
太阳能热水器自重
B.
保温层自重
C.
防水层自重
D.
屋面结构层自重
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【单选题】Which of the following statements is NOT a power of the president in the USA?
A.
The president can veto any bill passed by Congress.
B.
The president has the authority to appoint federal judges when vaccines occur.
C.
The president can dismiss the Congress at will without any cause.
D.
The president has broad powers, with the executive branch, to issue regulations and directives.
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【单选题】当温度分别为 T1 、 T2 时, PN 结的伏安特性曲线如图所示,判断温度 T1 与 T2 的关系为( )。
A.
T1>T2
B.
T1
C.
T1=T2
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【单选题】下列适合于孕妇的项目是:
A.
轻体力劳动
B.
过强噪声的震动
C.
接触有害毒物
D.
良体位的劳动
E.
对胎儿有损的生产和职业
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【单选题】鸡蛋在输卵管中停留时间最长的部位是( )。
A.
膨大部
B.
子宫部
C.
峡部
D.
阴道部
E.
伞部
查看完整题目与答案
相关题目：
【单选题】The Constitution is the foundation of the federal government in USA.
A.
True
B.
False
查看完整题目与答案
【单选题】母禽输卵管中最长，弯曲最多，分泌物形成浓稠白蛋白的部位是
A.
膨大部
B.
漏斗部
C.
峡部
D.
子宫
查看完整题目与答案
【单选题】The United States of America ( USA ), commonly known as the United States ( U.S. ) or America , is a constitutional federal republic composed of ____ states , ____ federal district , five major self-g...
A.
49,1
B.
50,1
C.
48,2
D.
50,2
查看完整题目与答案
【单选题】Suppose a wave of investor and consumer pessimism in the USA causes a reduction in spending. If the US Federal Reserve (which has a broader remit than the Bank of England which is charged only with co...
A.
increase government spending and decrease taxes.
B.
decrease the money supply.
C.
decrease government spending and increase taxes.
D.
decrease interest rates.
查看完整题目与答案
【简答题】()是输卵管中最长的部位
查看完整题目与答案
【单选题】宿舍楼屋面荷载中，属于可变荷载的是(    )。
A.
太阳能热水器自重
B.
保温层自重
C.
防水层自重
D.
屋面结构层自重
查看完整题目与答案
【单选题】Which of the following statements is NOT a power of the president in the USA?
A.
The president can veto any bill passed by Congress.
B.
The president has the authority to appoint federal judges when vaccines occur.
C.
The president can dismiss the Congress at will without any cause.
D.
The president has broad powers, with the executive branch, to issue regulations and directives.
查看完整题目与答案
【单选题】当温度分别为 T1 、 T2 时, PN 结的伏安特性曲线如图所示,判断温度 T1 与 T2 的关系为( )。
A.
T1>T2
B.
T1
C.
T1=T2
查看完整题目与答案
【单选题】下列适合于孕妇的项目是:
A.
轻体力劳动
B.
过强噪声的震动
C.
接触有害毒物
D.
良体位的劳动
E.
对胎儿有损的生产和职业
查看完整题目与答案
【单选题】鸡蛋在输卵管中停留时间最长的部位是( )。
A.
膨大部
B.
子宫部
C.
峡部
D.
阴道部
E.
伞部
查看完整题目与答案
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