SS400成品C的要求是()。
A.0.17-0.20%
B.0.18-0.20%
C.0.18-0.22%
D.0.18-0.23%
参考答案:C
Jim has been looking for his dictionary for almost an hour, and Tracy forgot to tell him that David
________it ________2 hours ago.[ ]
A. took; away
B. took; in
C. took; over
D. took; on
下列选项中,不是一个算法的基本特征的是( )。
A.完整性
B.可行性
C.有穷性
D.拥有足够的情报