皮皮学，免费搜题
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搜题
【单选题】
下列原子的价电子构型中,第一电离能最大的原子的电子构型是 ( )A.
3s2 3p1
B.
3s2 3p2
C.
3s2 3p3
D.
3s2 3p4
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】已知5是关于x的方程3x-2a=7的解，则a的值为（ ）。
【多选题】对于信用证与合同关系的表述正确的是( )
A.
．信用证的开立以买卖合同为依据
B.
．信用证业务的处理不受买卖合同的约束
C.
．有关银行办理信用证业务应适当考虑合同
D.
．合同是审核信用证的依据
E.
．信用证业务的处理受买卖合同的约束
【单选题】This passage is about ______.
A.
the relation between social class of the parents and their children's rearing
B.
the similarities between working class and middle class parents
C.
the differences between parents of working class and the ones of middle class
D.
the relation between working class and middle class in their working places
【多选题】对于信用证与合同关系的表述正确的是_______。
A.
信用证的开立以买卖合同为依据
B.
信用证的履行不受买卖合同的约束
C.
有关银行只根据信用证的规定办理信用证业务
D.
合同是审核信用证的依据
【单选题】This passage is about ______.
A.
the relation between social class of the parents and their children's rearing
B.
the similarities between working class and middle class parents
C.
the differences between children of working class and tile ones of middle class
D.
the relation between working class and middle class in their working places
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