先阅读短文，然后根据题目要求及所给语境完成下列任务。

   If you want to have a wonderful vacation, you can visit Kingston(金斯顿 ). It's a famous Canadian city on the bank of Lake Ontario (安大略湖). It is about three hours'  trip by bus from Kingston to Toronto(多伦多 ). There are some famous universities(大学)in Kingston. About 25,000 students study in these universities. Queen's University, founded in 1841, is more famous than any other university in Kingston. Kingston is one of the friendliest cities in the world and it welcomes tourists from all over the world. Wherever tourists go in this city, they will see a warm smile on the street or hear a happy "hello" in a public park. It's easy for them to feel at home

根据短文内容完成表格，每空一词。

作法：

①以O为圆心，适当长为半径画弧，分别交OA，OB于点D，E；

②分别以D，E为圆心，大于 $\frac{1}{2}$ DE的长为半径画弧，两弧在∠AOB内交于一点C；

③画射线OC，射线OC就是∠AOB的角平分线．

微信朋友圈原本是人们交流感情、分享日常点滴的平台，但不少微信用户纷纷抱怨，称他们的朋友圈遭卖东西的友人疯狂刷屏，有时甚至出现卖假货的现象。你认为（    ）

①朋友圈内卖商品容易引起纠纷，应该坚决取缔微信

②应该尽快完善互联网监管体系，加强对微商的监督

③频繁刷屏给他人带来诸多不便，应该尊重他人

④熟人间售卖商品考验彼此的诚信度，应该珍惜自身名誉