6．painting　enjoy doing sth.意为“喜欢做某事”。故填painting。

　　7．when/if　句意：当(如果)人们要一起生活，那么就有必要制定一些规则。根据句意可知，应填when/if，引导时间状语或条件状语从句。

　　8．the　此处特指第一段提到的这个特别工作小组。故填定冠词the。

　　9．and　由语境可知，此处用来连接两个并列的问题。故填and。

　　10．myself　根据下文“I

　　began to think about the whole group.”可知，节目教会“我”不再只为自己考虑了。故填myself。

　　Ⅱ.短文改错

　　(2016·大庆高三第二次质检)Beijing has lots of famous tourist attractions. Every year many tourist come here to enjoy its beautiful scenery and rich culture. But several years ago, visitors behave badly. Some talked loudly in public and threw litter everywhere. Some picked flowers, cutting down trees and hurt animals. And even better, some painted on the walls and smoked in the woods.

　　Luckily, things has changed. Rubbish is always put into dustbins. People are friendly at animals. Everybody smokes in the woods. All these changes make us happily. As student, I think we should know it's our duty to protect the environment. Let's to change our behavior when we travel.

　　答案：第二句：tourist→tourists

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