题目

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入适当的词(不多于3个单词)或使用括号中词语的正确形式填空。In 1982, July 1st was officially established as Canada Day. Various events are organized on this day, 【1】(include) parades, concerts, festivals and firework displays, 【2】 gather Canadians of all ages across the country.Canada Day is the year’s biggest national party. Canada’s national flag can be seen everywhere and many people have their faces 【3】 (paint) red and white, which are Canada’s national colo计算57×（-195）-47÷（-519）-195÷79，若有同学建议你按次序先算乘除再算加减，你愿意这样做吗？再观察算式的结构，开动你的脑筋，你一定会发现一种简便的计算方法，试试看．