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【单选题】
用某精馏塔分离两组分溶液 , 规定产品组成 x D 、 x w 。当进料组成为 x F1 时 , 相应回流比为 R 1 ; 进料组成为 x F2 时 , 相应回流比为 R 2 。若 x F1 < x F2 , 进料热状况不变 , 则 ( ) 。
A.
R 1 2
B.
R 1 = R 2
C.
R 1 >R 2
D.
无法判断
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【单选题】Under no ______ should you read any part of these jokes if you have a heart condition.
A.
circumstances
B.
means
C.
condition
D.
responsibility
【判断题】空心变压器中反映阻抗ω 2 M 2 / Z 22 的正负号与同名端及电流参考方向有关。
A.
正确
B.
错误
【单选题】— Have you bought any books to read? — No, _____. [     ]
A.
no one
B.
nothing
C.
none
D.
neither
【单选题】We can learn from Schwenk's research that ______.
A.
a person's view of conflict is influenced by the purpose of his organization
B.
conflict is necessary for managers of for-profit organizations
C.
different people resolve conflicts in different ways
D.
it is impossible for people to avoid conflict
【单选题】Mansfield’s mother left her a fortune.
A.
True
B.
False
【判断题】地方课程属于二级课程,只能开设必修课。
A.
正确
B.
错误
【单选题】地方课程属于( )
A.
一级课程
B.
二级课程
C.
三级课程
D.
四级课程
【判断题】空心变压器中反映阻抗ω2M2/ Z22的正负号与同名端及电流参考方向有关。
A.
正确
B.
错误
【单选题】国画大师吉某欲将自己的传奇人生记录下来,遂请作家王某执笔,其助手张某整理材料,完成了以吉某的人生经历为素材的自传体小说《我的艺术人生》。吉某向王某支付了8万元,但并未约定该自传体小说的著作权归属。则《我的艺术人生》的著作权归谁享有?( )
A.
归作家王某
B.
归国画大师吉某
C.
归作家王某和助手张某
D.
吉某、王某、张某共同享有
【简答题】Perhaps you have been told about some habits (习惯) which stop a person reading fast and have been strongly asked to break those habits which you might have. Do you still have any of these bad habits? C...
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