My bag is _____. I need to mend it. [ ]
A. wearing out
B. worn out
C. broke
D. new
答案:B
已知(a2n+1)2n﹣1=a3,则n2008的值为( )。
要设置标志位DF=1,应选用的操作指令是()。
A、CLC
B、CMC
C、STD
D、CLD