李老师家离学校近4公里,上下班很不方便,因此想买一种交通工具-摩托车或电动车。请同学们帮助李老师出出主意,看买哪种更经济实用? 小背景:(1)汽油价格现在是6.5元/升,据有关部门预测,还有上涨的趋势。(2)电的价格0.52元/度。(3)据估算百公里摩托车耗油约2.2升,电动车耗电约6度。 (1)上述案例中,哪两种商品是互为替代品?哪两种商品是互补产品?为什么? _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ (2)你给李老师出的主意是什么?说出理由。 __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ |