1GB的准确值是( )。
A.1024×1024BytesB.1024KBC.1024MBD.1000×1000KB
参考答案:C
解析: 1GB=1024MB。
Mike along with his mother _______ to blame for the mistakes they had made.
A. is B. was C. are D were
I thought I was going to fail the exam, but I succeeded _______.
A.first all
B.in all
C.at all
D.after all