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【单选题】
CSS文件的扩展名是( )A.
.html
B.
.js
C.
.css
D.
.txt
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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】Require a ____________ before establishing a new account, identification and address
【单选题】下列水溶液中沸点最低的是
A.
0.04mol × kg -1 葡萄糖溶液
B.
0.02mol × L -1 蔗糖 溶液
C.
0.02mol × L -1 氯化钠 溶液
D.
0.02mol × kg -1 硫酸钾 溶液
E.
0.0 1 mol × L -1 氯化钙 溶液
【简答题】“一带一路”是指: 、 。
【单选题】若下列配盐在溶液中完全离解，在0.1mol·L -1 的水溶液中，沸点最低的是( )。
A.
[Co(NH 3 ) 6 ]Cl 3
B.
[CoCl(NH 3 ) 5 ]Cl 2
C.
[CoCl 2 (NH 3 ) 4 ]Cl
D.
Na 3 [Fe(CN) 6 ]
【单选题】Before establishing international business relations, traders need to collect more information related to ______.
A.
the target market
B.
the prospective partner
C.
the possible risks
D.
all of the above
【单选题】What is the best instrument for establishing a safe working area before welding in a confined space?
A.
An oxygen indicator
B.
A combustible gas indicator
C.
A combination combustible gas and oxygen indicator
D.
A flame safety lamp
【多选题】Before establishing international business relations, traders need to collect more information related to __.
A.
the target market
B.
the prospective partner
C.
the possible risks
D.
none of the above
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