“Smart cities” refer to cities that can _____.
A. relieve traffic congestion
B. improve energy efficiency
C. produce more livable communities
D. launch expensive infrastructure projects.
查看答案
What policies can be implemented to transform congested cities into sustainable and livable oases?
A. Constant adoption of the space-age technologies
B. An increased emphasis on public transportation
C. Vigorous promotion of biking and walking
D. Wisely using the existing land for people-centered cities
在一定条件下允许对指针进行加和减的运算。
A. 对
B. 错
当指针指向数组元素的时候，可以对指针进行加和减的运算。
A. 对
B. 错
如果指针变量p已指向数组中的一个元素，则p+1指向同一数组中的下一个元素，p-1指向同一数组中的上一个元素。
A. 对
B. 错
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