皮皮学，免费搜题
登录
搜题
【单选题】
某双组分混合物,在精馏塔进行分离,进料量为200 kmol·hr-1,xF = 0.5,要求xD不小于0.95,则塔顶最大产量为( )
A.
100kmol·hr-1
B.
66.7kmol·hr-1
C.
105.26kmol·hr-1
D.
不能确定
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】普通内径千分尺测微螺杆螺距为( )。
A.
0.1mm
B.
0.5mm
C.
0.01mm
D.
0.05mm
查看完整题目与答案
【单选题】She's so bright-a real_______. I'm sure she'l be promoted again soon
A.
high flyer
B.
slave driver
C.
fly-by-night
查看完整题目与答案
【单选题】— Tod hadn't passed the exam and was afraid of being scolded. —  _____. [     ]
A.
So it was with Jim
B.
So was Jim, his classmate
C.
It's the same with Jim
D.
Neither had Jim, his classmate
查看完整题目与答案
【单选题】I'm going to start now miss the beginning.
A.
not to
B.
so as not to
C.
in order to
D.
so as not
查看完整题目与答案
【简答题】读对话,选择正确答案 Nina : What are you going to do this afternoon? Penny: Nothing special.What's up? Nina : Would you like to go to the shopping centre with me ? I want to buy a camera for my sister. Penny:...
查看完整题目与答案
【单选题】I dont know why she is looking at me______she knew me. Ive never seen her before.
A.
as
B.
as if
C.
even if
D.
although
查看完整题目与答案
【单选题】听力原文：W: Son, I dont know what to get for your father. He has about everything, doesnt he? M: Why dont you get him an MP3 player? Q: Whats the womans problem?2．
A.
He doesn't write well enough.
B.
He is not a professional writer.
C.
He has no professional experience.
D.
He didn't perform. well in the interview.
查看完整题目与答案
【单选题】I dont know______he made such a foolish decision.
A.
what
B.
which
C.
that
D.
why
查看完整题目与答案
【单选题】以下俄语中那句是表达“很棒 很好 不错 还行”
A.
хорошо
B.
нкагдл
C.
κοхьу
D.
.меокн
查看完整题目与答案
【简答题】听音频，回答下列问题： When Captain Cook asked the chiefs in Tahiti why they always are 26 , they replied, 'Because it is right. ' If we ask Americans why they eat with knives and forks, or why their men wear pa...
查看完整题目与答案
相关题目：
【单选题】普通内径千分尺测微螺杆螺距为( )。
A.
0.1mm
B.
0.5mm
C.
0.01mm
D.
0.05mm
查看完整题目与答案
【单选题】She's so bright-a real_______. I'm sure she'l be promoted again soon
A.
high flyer
B.
slave driver
C.
fly-by-night
查看完整题目与答案
【单选题】— Tod hadn't passed the exam and was afraid of being scolded. —  _____. [     ]
A.
So it was with Jim
B.
So was Jim, his classmate
C.
It's the same with Jim
D.
Neither had Jim, his classmate
查看完整题目与答案
【单选题】I'm going to start now miss the beginning.
A.
not to
B.
so as not to
C.
in order to
D.
so as not
查看完整题目与答案
【简答题】读对话,选择正确答案 Nina : What are you going to do this afternoon? Penny: Nothing special.What's up? Nina : Would you like to go to the shopping centre with me ? I want to buy a camera for my sister. Penny:...
查看完整题目与答案
【单选题】I dont know why she is looking at me______she knew me. Ive never seen her before.
A.
as
B.
as if
C.
even if
D.
although
查看完整题目与答案
【单选题】听力原文：W: Son, I dont know what to get for your father. He has about everything, doesnt he? M: Why dont you get him an MP3 player? Q: Whats the womans problem?2．
A.
He doesn't write well enough.
B.
He is not a professional writer.
C.
He has no professional experience.
D.
He didn't perform. well in the interview.
查看完整题目与答案
【单选题】I dont know______he made such a foolish decision.
A.
what
B.
which
C.
that
D.
why
查看完整题目与答案
【单选题】以下俄语中那句是表达“很棒 很好 不错 还行”
A.
хорошо
B.
нкагдл
C.
κοхьу
D.
.меокн
查看完整题目与答案
【简答题】听音频，回答下列问题： When Captain Cook asked the chiefs in Tahiti why they always are 26 , they replied, 'Because it is right. ' If we ask Americans why they eat with knives and forks, or why their men wear pa...
查看完整题目与答案