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【单选题】
如图,用连续精馏塔分离由A,B两种组份混合而成的某二元理想混合物,已知加入的原料流量F=10kmol/h,原料中易挥发组分A的浓度为 X F =0.5(摩尔分率,下同) ,经过蒸馏操作,A组份大部分由塔顶流出,塔顶产品A的浓度为 X D =0.9,流量为D,塔顶馏出物中易挥发组分A的回收率为90%,则塔底残液中易挥发组分A的浓度 X W 及残液流量W 分别为
A.
0.05；5kmol/h
B.
0.1 ;  5kmol/h
C.
0.05 ; 6kmol/h
D.
0.1 ; 6kmol/h
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参考答案：
举一反三
【多选题】下列疾病中,出现间歇热的有
A.
支气管肺炎
B.
牛焦虫病
C.
猪流感
D.
马传染性贫血
查看完整题目与答案
【单选题】A weapon of death has no place in a house of God. What we can know from this sentence?
A.
The handgun is the weapon which can cause death.
B.
The house of God is not a good place to have a weapon of death.
C.
Alough Silas realized that the church is not good place to have handgun,  he had to take it .
D.
Silas realized that the church is not good place to have handgun, so he didn't take it .
查看完整题目与答案
【简答题】完形填空 Once there was a little boy who wanted to meet God. He knew it was a long trip to where God lived, so he __ 1 __his suitcase with food and water and he started his __ 2 __. When he had gone about...
查看完整题目与答案
【单选题】God and My Father 1 I thought of God as a strangely emotional being. He was powerful he was forgiving yet obdurate, full of warmth and affection. Both his wrath and affection were fitful, they came an...
A.
had been born in natural surroundings with banks and churches.
B.
never really thought of God as having a real existence.
C.
regarded religion as acceptable as long as it did not interfere.
D.
regarded religion as a way that he could live a spiritual life.
查看完整题目与答案
【单选题】Which of the following sentence is the right expression for” Not my will God, but Thine.”?
A.
I will not do it; God will.
B.
Whether we win or lose will not be determined by me, but by God.
查看完整题目与答案
【单选题】Why did he scream out to God?
A.
Because he was desperate at that moment.
B.
Because he believed God.
C.
Because he thought it would work.
D.
Because he wanted to.
查看完整题目与答案
【单选题】"Oh, my god!"What's the sentence pattern of this sentence?
A.
Exclamation
B.
Question tag
C.
Statement
D.
Imperative sentence
查看完整题目与答案
【单选题】The story of creation In the beginning, before time began, the Bible tells us how God created the world. The earth was an empty and dark place and there was no life or light. In the six days, God cre...
A.
God only created rivers on the fourth day
B.
All animals that God created were small
C.
God made the sun on the fifth day
D.
God saw all he created was wonderful
查看完整题目与答案
【单选题】The doctor always turned up he was most meeded. No wonder he was called“doctor sent by God”.
A.
the place where
B.
in the place
C.
in which
D.
where
查看完整题目与答案
【多选题】患者，男性，20岁，2个月前因进食冷热食物感左上后牙疼痛来医院就诊，不进食时无不适感，检查 近中邻面深龋，探诊酸痛，及大量软化牙本质，无叩痛，无松动，冷诊一过性疼痛。 数日前，患者出现左侧头面部自发性疼痛，间歇发作，呈放射性，下列疾病中可能出现类似疼痛症状的有（）。
A.
左三叉神经痛
B.
左颞下颌关节紊乱病
C.
急性牙髓炎
D.
急性根尖周炎
E.
左上后牙区龈乳头炎
F.
急性上颌窦炎
G.
可复性牙髓炎
查看完整题目与答案
相关题目：
【多选题】下列疾病中,出现间歇热的有
A.
支气管肺炎
B.
牛焦虫病
C.
猪流感
D.
马传染性贫血
查看完整题目与答案
【单选题】A weapon of death has no place in a house of God. What we can know from this sentence?
A.
The handgun is the weapon which can cause death.
B.
The house of God is not a good place to have a weapon of death.
C.
Alough Silas realized that the church is not good place to have handgun,  he had to take it .
D.
Silas realized that the church is not good place to have handgun, so he didn't take it .
查看完整题目与答案
【简答题】完形填空 Once there was a little boy who wanted to meet God. He knew it was a long trip to where God lived, so he __ 1 __his suitcase with food and water and he started his __ 2 __. When he had gone about...
查看完整题目与答案
【单选题】God and My Father 1 I thought of God as a strangely emotional being. He was powerful he was forgiving yet obdurate, full of warmth and affection. Both his wrath and affection were fitful, they came an...
A.
had been born in natural surroundings with banks and churches.
B.
never really thought of God as having a real existence.
C.
regarded religion as acceptable as long as it did not interfere.
D.
regarded religion as a way that he could live a spiritual life.
查看完整题目与答案
【单选题】Which of the following sentence is the right expression for” Not my will God, but Thine.”?
A.
I will not do it; God will.
B.
Whether we win or lose will not be determined by me, but by God.
查看完整题目与答案
【单选题】Why did he scream out to God?
A.
Because he was desperate at that moment.
B.
Because he believed God.
C.
Because he thought it would work.
D.
Because he wanted to.
查看完整题目与答案
【单选题】"Oh, my god!"What's the sentence pattern of this sentence?
A.
Exclamation
B.
Question tag
C.
Statement
D.
Imperative sentence
查看完整题目与答案
【单选题】The story of creation In the beginning, before time began, the Bible tells us how God created the world. The earth was an empty and dark place and there was no life or light. In the six days, God cre...
A.
God only created rivers on the fourth day
B.
All animals that God created were small
C.
God made the sun on the fifth day
D.
God saw all he created was wonderful
查看完整题目与答案
【单选题】The doctor always turned up he was most meeded. No wonder he was called“doctor sent by God”.
A.
the place where
B.
in the place
C.
in which
D.
where
查看完整题目与答案
【多选题】患者，男性，20岁，2个月前因进食冷热食物感左上后牙疼痛来医院就诊，不进食时无不适感，检查 近中邻面深龋，探诊酸痛，及大量软化牙本质，无叩痛，无松动，冷诊一过性疼痛。 数日前，患者出现左侧头面部自发性疼痛，间歇发作，呈放射性，下列疾病中可能出现类似疼痛症状的有（）。
A.
左三叉神经痛
B.
左颞下颌关节紊乱病
C.
急性牙髓炎
D.
急性根尖周炎
E.
左上后牙区龈乳头炎
F.
急性上颌窦炎
G.
可复性牙髓炎
查看完整题目与答案
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