此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（V);如有错误（每行 只有一个错误），则按下列情况改正：

此行多一个词：把多余的词用斜线（\ )划掉，在该行右边横线上写出该词，并也用斜线划掉。

此行缺一个词：在缺词处加一个漏字符号（A )，在该行右边横线上写出该加的词。

此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。 .

注意：原行没有错的不要改。

All of us need friendship. The understanding   between two friends mean both of them have similar ideas and trusting each other. Otherwise, it isimpossible for him to help each other and to maketheir friendship to last long. As an old saying goes，  “A friend in need is a friend indeed.” So really friendship   should able to stand all sorts of tests. And it iswise to have as many good friends that we can.  The more friends we have，the more we can learn for one another, but the more pleasure we can share together.

“与客携壶上翠微”中的“客”是一位著名诗人。杜牧曾写道：“七子论诗谁似公，曹刘须在指挥中。”这句诗来夸奖他的才能。请问这位诗人是谁？