题目

Tips for avoiding traffic jams:     The radio has more than just music. Check the local news station for the latest traffic report. Or go online and check traffic cameras before you set out. If there is a jam, you'll be prepared and can try another route.     Take the road less traveled. Although highways may be the most direct route, back (偏僻的) roads can be much less crowded, which can save you from the frustration of the stop-and-go traffic. Rush hour isn't just a lovely nickname. It means the morning and afternoon traffic lasts for several hours, but they're still calle汽车尾气(含有烃类、CO、SO2与NO等物质)是城市空气的污染源之一。治理的方法之一是在汽车的排气管上装一个“催化转换器”(用铂钯合金作催化剂)。它的特点是使CO与NO反应，生成可参加大气生态环境循环的无毒气体，并促使烃类充分燃烧及促进SO2的转化。 (1)写出一氧化碳与一氧化氮反应的化学方程式：___________________________________。(2)“催化转换器”的缺点是在一定程度上能提高空气的酸度，其原因是：________________。(3)控制城市空气污染源的方法可以有______________ 。A.开发氢能源                                 B.使用电动车C.植树造林                                    D.戴上呼吸面具