When in his rebellious years, that is when he was sixteen or eighteen, Frank Anderson ______ going around with a strange set of people and staying out very late.
A.took to
B.took up
C.took on
D.took in
微机系统与外部交换信息主要是通过______。
A:输入输出设备
B:键盘
C:光盘
D:内存储器
关于防火墙的功能,说法错误的是_____。
A.所有进出网络的通信流必须经过防火墙
B.所有进出网络的通信流必须有安全策略的确认和授权
C.防火墙能保护站点不被任意连接
D.防火墙的安全策略一旦设置,再也无法修改
1型糖尿病的高发年龄是 ( )
A、1~6岁
B、6~14岁
C、4~6岁和10~14岁
D、1~6岁和10~16岁
胰岛素注射可选用的部位是______、_______、_____和_____。
The rigor of the winter in Russia was often described by Mogol.
A.harshness
B.perturbation
C.dismay
D.pessimism