1GB的准确值是( )。
A.1024×1024 Bytes
B.1024KB
C.1024MB
D.1000×1000KB
参考答案:C
解析: 1GB=1024MB。
Doing eyes _______ every day is good for our eyes.
A.exercises
B.exercise
C.health
D.healthy
模拟实验科学性差,不能用于科学研究.______.