Onlyordinary people can do extraordinary things whether it is to fulfill their duties, or as part of everyday life.
查看答案
People honor heroes mainly by recogzizing their heroism.
A. 对
B. 错
People become heroes only because they succeed in helping others and they get injured or die in their efforts.
A. 对
B. 错
事务的四大特性不包含哪个？
A. 原子性
B. 一致性
C. 隔离性
D. 定时性
函数主体中的return 语句完成什么任务？
A. 它停止执行
B. 它将返回值给调用函数
C. 它更改执行流程
D. 不能在函数主体中使用return语句
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