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【简答题】
已知可逆反应 CO(g)+H2O(g) CO2(g)+H2(g) 达平衡时，问： （1）800K时，若起始时：c(CO)=2mol/L，c(H2O)=3mol/L，平衡时CO的转化率为60%，水的转化率是？K值？ （2）800K是，若起始时：c(CO)=2mol/L，c(H2O)=6mol/L，则水蒸汽的转化率？ （3）800K时，若起始时：c(CO)=amol/L，c(H2O)=bmol/L，H2的平衡浓度c(H2)=cmol/L : 则a ，b，c的关系式？当a=b时，a=？
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举一反三
【单选题】Great changes have taken place ___. [ ]
A.
in the last few year
B.
in the last few years
C.
last year
D.
on the last year
【简答题】There are much more visitors to the Jiuzhaigou this year than last year.
【单选题】What is the price of pumpkins this year?
A.
Higher than last year.
B.
Lower than last year.
C.
The same price.
D.
Not given.
【单选题】The number of players in this year's sports meet was half ______. [ ]
A.
last year's
B.
that of last year's
C.
of last year's
D.
those of last year's
【单选题】关于企业成功的渠道,下列说法错误的是
A.
当企业处于盈利阶段时，就不需要去开发新产品
B.
引进国外先进的技术，也是创新技术，推动企业集约型发展的途径
C.
企业规模经营，能给企业带来效益，但企业的规模不是越大越好
D.
诚信是企业经营的黄金法则，没有诚信企业难以立足
【简答题】the last season of a year
【单选题】The Blacks are visiting China in May ______ [ ]
A.
this year
B.
last year
C.
the last year
D.
that year
【简答题】Last year my friends and I went camping. Last year I went camping______.
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