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【单选题】
下列物质中，物质的水溶液能导且该物质属于非电解质，溶于化学键被破坏的是( )A.
氯化氢
B.
蔗糖
C.
干冰
D.
硫酸钡
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举一反三
【单选题】What is one major feature of the calling plan?
A.
1,000 anytime minutes.
B.
Unlimited weekday minutes.
C.
1,000 free weekday minutes.
【单选题】If one of the member functions in the Sample class is described as follows : void set(Sample& a) , then Sample& a means ( )
A.
points to a pointer named a of class Sample
B.
a is the object reference of class Sample, which is used as the formal parameter of the function Set ()
C.
Assign a's address to the variable Set
D.
Variables Sample and a are used as parameters of function Set
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