如果在类中没有明确定义析构函数,清除对象的工作仍由___________来完成,原因是___________。
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若有以下程序结构,该程序运行时调用了___________次构造函数,调用了___________次析构函数。class Box{……};void main(){Box A,B,C;}
构造函数和析构函数的执行顺序为先构造的后析构,后构造的先析构
A. 对
B. 错
一些科学家担心人工智能机器人会将人变成宠物。
A. Some scientists are worried about that AI robots will turn humans into pets.
B. Some scientists worry that AI robots will turn humans into pets.
C. Some scientists worry that AI robots will be turned into pets.
D. Some scientists worry AI robots that will turn human into pets.
如果网络恐怖分子获得公司文件的访问权,将是非常危险的。
A. It will be danger if the cyber-terrorists gain access to the company’s files.
B. It will be dangerous unless the cyber-terrorists gain access to the company’s files.
C. It will be of great danger if the cyber-terrorists gain access to the company’s files.
D. It will be of great danger for fear that the cyber-terrorists gain access to the company’s files.