数据出错的种类是( )。
A.数据内容出错
B.数据多余与不足
C.数据的延续
D.以上都是
参考答案:D
“等腰三角形是轴对称图形”的逆命题是( )。
The policeman stopped him when he was driving home and ______ him ______ speeding.
A.warned; for
B.accused; of
C.charged; of
D.blamed; on