典型的防火墙策略应如何设置?()
A.拒绝所有的通信,仅允许明确指明的通信
B.允许所有通信,仅拒绝明确指定的通信
C.激活所有内网端口
D.激活所有外网端口
参考答案:A
All the fruit is free. You can eat ________.
A.as few as possible
B.as much as possible
C.as much as you can
D.Both B and C
补肺肾,定喘嗽,助阳益精的药物是
A.菟丝子
B.蛤蚧
C.冬虫夏草
D.肉苁蓉