电波的传播速度比地震波的传播速度快
A、正确
B、错误

单项选择题系统规划要解决系统要干什么以及如何干的问题。

多项选择题A rented out his house and courtyard facing the street to B, and B used it as an automobile repair shop. With A’s permission, B expanded, at his own expanses, several houses for automobile painting. When B was submitting an application to the authorities for expanding the building, he found that all the properties A rented out was not approved by the Urban Planning Department, meaning that all are unauthorized construction. In accordance with the provisions of a lease contract, a lessee is entitled to exercise the following rights without any intervention by others: