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.

单项选择题 According to Alex, the _______ between the different ideas and the whole structure of your paper is very important.