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一篇作文。文中共有10 处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（＾），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下面画一横线，并在该词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。

This morning Wang Hua and I went school on foot together. In the way Wang Hua saw Li Lin riding a bike on the other side of the street. He was too anxious to join Li Lin that he left me in a hurry and ran across the street in the front of a car. Luckily the driver stopped his car quickly.  What dangerous! Wang Hua jumped onto Li Lin’s bike but they went on. But when they come to the school gate , they were knocked down by a car. We were both injured and sent to hospital immediately. Fortunately, they escaped being killed. We should draw a lesson from this accident and strict obey the traffic rule in everyday life.

计算题：有一只额定载荷为25t的传感器，其灵敏度为2mv/v，当给其施加10t载荷，供桥电压为12.5v时，求传感器的输出信号？