题目

Taking good notes is a time-saving skill that will help you to become a better student in several ways.   16    Second, your notes are excellent materials to refer to (参考，查阅) when you are studying for a test. Third, note-taking offers variety to your study time and helps you to hold your interest. You will want to take notes during classroom discussions and while reading a textbook or doing research for a report.   17   Whenever or however you take notes, keep in mind that note-taking is a selective(精挑细选的) process.   18 The following methods may work best如图，建设“幸福西宁”，打造“绿色发展样板城市”.美丽的湟水河宛如一条玉带穿城而过，已形成“水清、流畅、岸绿、景美”的生态环境新格局.在数学课外实践活动中，小亮在海湖新区自行车绿道北段上的两点分别对南岸的体育中心进行测量，分别没得米，求体育中心到湟水河北岸的距离约为多少米（精确到1米，）？