第二节：短文改错(共10小题，每小题 1 分，满分10分)

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多两处。错误涉及一个单词的增加、删除或修改。

增加: 在此处加一个漏字符号（∧），并在其下面写出修改的词。

删除: 把多余的词用斜线（＼）划掉。

修改: 在错的词下划一横线，并在其下面写出修改后的词

注意:       1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从11处起）不计分。

My first stay ay home alone was unusual. When I was twelfth, once my parents were away on the business, and I was all by myself for two days. My parents left earlier the first day, and I got up soon after they leave. On the first evening I was a little scaring, so I turned on the lights. I kept the light on in my bedroom the whole night. For fear of got up late the next morning, I put 3 alarm clock at my bedside and set the alarms for 6:10, and 6:15. In order to prove that I could take care myself, I washed my clothes the second afternoon, so I could have waited for Mom to do it. I really felt proud of herself and thought I was great.

小刚学习了密度知识后，想用天平和玻璃杯自制一个分度值为20ml量筒（杯）.

（1）在量筒的制作过程中，你认为最难实现的是：______________________________

（2）经过认真思考，小刚准备了粗细均匀和粗细不均匀两种玻璃杯，请你帮他分别设计出初步的制作方案：

方案A（用粗细均匀的玻璃杯）

__________________________________________________________

方案B（用粗细不均匀的玻璃杯）

_________________________________________________________

（3）两种量筒（杯）相比较，你认为按方案________ 制作的量筒（杯）在测量过程中对实验的影响会小一些，理由是_________________________________________________________________。