7×0.7=____

7×0.7×0.7=____

7×0.7×0.7×0.7=____

7×0.7×0.7×0.7×0.7=____

7×0.7×0.7×0.7×0.7×0.7…____

如果关于x的不等式（a+2）x＞a+2的解集为x＜1，那么a的取值范围是（　　）

日本是一个多火山的国家，下列火山中属于日本的是                （  ）

— What do you think of tomorrow's football match?                    
— _______ difficult for us _______ the match.