问答题 家用路由器的无线网络有几种加密算法?
问答题 立杆时竖立电杆后应达到怎么样的标准?
单项选择题 4. A、Glasgow needs to invest in new technologies to reach its goal. B、Glasgow is going to explore new sources of renewable energy. C、Stricter regulation is needed in transforming Glasgow's economy. D、It's necessary to create more low-emission zones as soon as possible.