若某雪山海拔2000米处的气温为-8℃,则该雪山海拔3000米处的气温约为( )
A.-2℃
B.-5℃
C.-11℃
D.-14℃
答案:D
Out of the crowded bus _____, who was dressed in a black suit and waved to a woman. [ ]
A. a tall man in his thirties stepped
B. stepped a tall man in his thirties
C. did a tall man in his thirties step
D. did a tall man step in his thirties
关于数据与信息的关系,下列说法错误的是( )。
A.信息是根据要求,将数据进行加工处理转换的结果
B.同一组数据可以按管理层次和职能不同,将其加工成不同形式的信息
C.不同数据如采用不同的处理方式,也可得到相同的信息
D.信息是数据的载体