在日常饮食中,强化碘最常用的食物载体是( )。
A.大米 B.果汁C.玉米片 D.食盐
参考答案:D
His doctor had advised him ___________ smoke, and later his mother made him ________ buying more cigarettes.
A.not to; stop
B.not to; to stop
C.to not; to stop
D.to not; stop
70%-80%的网络设备都来自于思科,同时几乎所有的()都由思科掌握。
A.超级核心节点
B.移动网络节点
C.国际交换节点
D.国际汇聚节点