Some people are worried about the safety of using smart technology.
A. such as looking for people after a natural disaster.
B. Hackers, for instance, could steal personal information stored on our phones.
C. For example, we could cycle to work instead of driving.
D. such as cleaning and cooking, could be made more convenient with intelligent technology.
E. For example, we can buy things through an app on our smartphone.
There are many ways we can reduce the number of cars on the road.
A. such as looking for people after a natural disaster.
B. Hackers, for instance, could steal personal information stored on our phones.
C. For example, we could cycle to work instead of driving.
D. such as cleaning and cooking, could be made more convenient with intelligent technology.
E. For example, we can buy things through an app on our smartphone.
图像几何校正时所用的像素灰度内插法中效果最好的是：
A. 最近邻元法
B. 三次内插法
C. 曲面拟合法
D. 双线性内插法
若f(1,1)=1，f(1,2)=5，f(2,1)=3，f(2,2)=4，按最近邻元法确定点(1.2,1.4)的灰度值(要求按欧氏距离计算)。
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