短文改错 (共10小题;每小题1分,满分10分)

英语课上，老师要求同桌同学相互修改作文。假设以下短文为你同桌所写，请你对其进行修改。文中共有10处错误，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：在缺词处加一个漏词符号（/\），并在此符号下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，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。

Last Sunday I saw a worst storm in years. It came sudden and went on for over three hours. After lunch, I went into my room to have a rest. The air was hotter, and all is quiet. Then a strong wind started to blow into my room. Pieces of paper on my desk flew high into the air and some flew out the open window. As I ran out to catch them, big drop of rain began to fall. When I came back into house, it was raining harder and harder. I tried very hard to close the window. Then I heard a loudly crashing(碰撞的)sound from the back of the house. When I ran out of my room to find out what had happened: a big tree had fallen down and broke the top of the backroom.  

( )是指单位类客户在商业银行开立结算账户，办理不定期、可随时转账、存取的存款类型。

A．单位活期存款

B．单位定期存款

C．单位通知存款

D．保证金存款