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【多选题】
美国化学工程师协会（AICHE）推荐的塔效率估算方法中，未考虑的因素有哪些？A.
板上液体的不均匀流动
B.
板间汽体的不完全混合与不均匀流动
C.
板上不同位置上汽体的不均匀分布
D.
板上液体从降液管入口向堰出口流动方向上的液体浓度变化和返混
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【简答题】肝大部分位于____区和____区，小部分位于左季肋区。
【单选题】This office building was built ______ around 2002.
A.
sometime
B.
sometime
C.
some times
D.
sometimes
【单选题】听力原文： Younger people and older people do not always agree with each other. They sometimes have different ideas about life, work and play. But in one special program in New York State, adults and teena...
A.
Five weeks.
B.
Six weeks.
C.
Seven weeks.
D.
Eight weeks.
【单选题】I’m happy to hear that we are going to have a school trip __________ in November.
A.
sometimes
B.
sometime
C.
some time
D.
some times
【单选题】1企业2016年底,资产负债表中,货币资金为100万元,应收账款为200万元,原材料为50万元,产成品为300万元,流动负债为1054万元,非流动负债为1209万元,则速动比率为()。
A.
3.39
B.
0.28
C.
0.87
D.
0.29
【单选题】In this passage, the author mainly tells us that ______.
A.
everyone can be forgetful sometimes regardless of one's age
B.
we can prevent our sound mind from aging with certain methods
C.
brain aging starts from the time when we are in our 20s and 30s
D.
memory loss is a sign that shows we are getting old
【简答题】A．They are always right. B．They are always wrong. C．They are 'sometimes right but sometimes wrong. D．They are helpful.
【单选题】企业 2016 年底,资产负债表中,货币资金为1OO万元,应收账款为200万元,原材料为50万元,产成品为300万元,则流动资产为 ( )万元。
A.
650
B.
550
C.
500
D.
350
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