污染是指();()、噪音污染、固体污物、热污染、放射性污染等六种。
参考答案:大气污染、水污染
— ﹍﹍is the best football player in your city?
—Jerry.
A.Do you think who
B.Do you think whom
C.Who do you think
D.Whom do you think
RAID0也被认为是()。
A.转接
B.镜像
C.磁盘阵列条带化
D.奇偶校验