十二、提升题了解了这么多精彩的发明，相信你也灵感迸发！根据问题提示写一篇短文，介绍你的发明创意吧。
1. What do you want to invent?
2. Why do you want to invent it?
3. How will you make it?
要求：条理清楚，语句准确；书写规范、美观；不少于5句话。

I want to make a light smart schoolbag. My schoolbag is too heavy, and I often forget my books. I want to solve the problem. First, I will make it with light materials, so it won't be heavy. Next, I will put a special bell in it. It will ring if I forget my books. Then, I will put a solar panel(太阳能电池板）on it, so it can work. Last, I will add some pockets to put my school things. This schoolbag will help me a lot at school!

【分析】本题为英语写作题，要求围绕“发明创意”主题，根据三个提示（发明物品、发明原因、制作方法）写短文，需条理清晰、语句准确且不少于5句。解题思路：先确定具体发明物品，再对应三个提示依次展开，说明发明内容、原因，最后分步骤阐述制作方法，将内容组织成连贯短文即可。
【解析】写作时，先明确发明物品为“light smart schoolbag”；再说明发明原因：书包太重且常忘带书，想要解决这些问题；接着分步骤说明制作方法：用轻材料减轻重量，装特殊铃铛提醒忘带书，装太阳能板供电，加口袋收纳物品；最后将内容连贯组织，形成符合要求的短文。
【答案】I want to make a light smart schoolbag. My schoolbag is too heavy, and I often forget my books. I want to solve the problem. First, I will make it with light materials, so it won't be heavy. Next, I will put a special bell in it. It will ring if I forget my books. Then, I will put a solar panel(太阳能电池板）on it, so it can work. Last, I will add some pockets to put my school things. This schoolbag will help me a lot at school!
【知识点】英语说明文写作、英语话题表达、英语句式运用
【点评】本题考查学生的英语书面表达能力，要求围绕指定主题清晰阐述创意，既需要学生有明确的逻辑思路，又要能运用准确的英语语句组织内容，是对学生综合语言运用能力的提升训练。
【难度系数】0.6