题目

   I was puzzled! Why was this old woman making such a fuss about an old copse（矮林） which was of no use to anybody? She had written letters to the local paper, even to a national, protesting about a projected by-pass to her village, and, looking at a map, the route was nowhere near where she lived and it wasn’t as if the area was attractive. I was more than puzzled, I was curious.    The enquiry into the route of the new by-pass to the village was due to take place shortly, and I wanted to know what it was that motivated her. So it was that I found myself knocking on a cot煤、石油、天然气是我国最主要的化石燃料，它们都是不可再生能源，故如何高效使用化石燃料以及开发新能源是我国当前重要的研究课题．（1）煤燃烧时产生的（填化学式）是形成酸雨的主要气体之一．（2）将石油加热炼制，可以得到不同产品，其中供汽车作燃料的有柴油和（3）天然气除用作燃料外，还用于制造合成气（CO和H2的混合气）等化工原料． ①甲烷在空气中完全燃烧的化学方程式为 ． ②桌面有一瓶合成气，某同学用微观示意图模拟它的组成，部分图示如下．试用粒子的观点分析，他的图示（填“合理”或“不合理”），理由是 ． ③氢气是一种新能源，但目前作为燃料还不能广泛应用，其原因之一是氢气