计算(x+2y)(x﹣2y)的结果是 [ ]
A.x2﹣2y2
B.x2﹣4y2
C.2y2﹣x2
D.4y2﹣x2
答案:B
The president desires that you _________ him next week.
A.visit
B.will visit
C.to visit
D.visiting
某市烟草专卖局会同市公安局准备在全市范围内开展打击制售假冒卷烟网络案件的行动,要求市烟草专卖局下属各区烟草专卖局会同本区公安分局在约定时间内统一联合行动,此次联合执法的组织主体为( )。
A.市烟草专卖局
B.各下属区烟草专卖局
C.市公安局
D.市烟草专卖局与市公安局