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（从第11处起）不计分。

    I woke up lately yesterday because my alarm clock didn't ring. With no time for the breakfast, I rushed out of my house. I had intended to catch the 7:30 subway, and I didn't make it. Have a little time left, I take a taxi instead. I arrived at the school only find, with great sadness mixed with some relief, that the school where should have been full of students was empty. It was Saturday. However, our ill luck showed no sign of coming at an end. When I returned home, I found myself lock out. I had left my key at home. Just my luck.

先化简，再求值： $（\frac{a+2}{a^2-2a}+\frac{8}{4-a^2}）÷\frac{a^2-4}{a}$ ，其中a满足方程a²+4a+1=0．

人类社会的发展离不开公平，因为有了公平

①社会才能为人的发展提供平等的权利和机会，保证个人的生存和发展，促进社会的发展　

②我们才可能通过诚实劳动满足自己的合理期望，调动自身的积极性　

③就有了社会经济的高速运转　

④就能够彻底消除一切不平等现象，实现社会经济的持续发展

①传入神经　②传出神经　③手部感受器　④脊髓　⑤牵动上下颌的肌肉⑥脑．