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【单选题】
在一定温度下，向a L密闭容器中加入1 mol X和2mol Y，发生如下反应： X(s) + 2Y(g) 2Z(g) 此反应达到平衡的标志是A.
容器内压强不随时间变化
B.
容器内各物质的浓度不随时间变化
C.
容器内X、Y、Z的浓度之比为l : 2 : 2
D.
单位时间消耗0.1 mol X同时生成0.2 mol Z
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A.
Redundant
B.
laid off
C.
let go
D.
out of work
【单选题】下列表现,中符合溶血性黄疸临床表现特点的是。
A.
皮肤黏膜呈浅黄色至深金黄色
B.
伴有皮肤瘙痒。
C.
粪便成白陶土色。
D.
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E.
尿液颜色正常
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A.
gets off
B.
takes off
C.
gets on
D.
lands
【单选题】关于爱岗敬业的说法中,你认为不正确的是
A.
爱岗敬业是现代企业精神
B.
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C.
爱岗敬业要树立终生学习观念
D.
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【简答题】阅读理解 Near my home, there is a shop. It's not big. I can buy lots of things there. Sometimes(有时) I buy school things, like exercise-books, erasers, rulers, pens and color pencils in it. They are very c...
【简答题】There is sometimes a last security check just before the plane _______.
【简答题】阅读理解。 Near my home, there is a shop. It's not big. I can buy lots of things there. Sometimes (有时) I buy school things, like exercise-books, erasers, rulers, pens and color pencils in it. They are very...
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