切取一段紫背天葵的茎，插入湿润的沙土中。一般在4~10天后，即可生出新根，这种繁

短文改错。

     假定英语课上老师要求同桌之间交换修改作文, 请你修改你同桌的以下人作文。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（从每11处起）不计分。

     There's an old man in our village calling Old Joe who said to be 110 years old. This can't be

proved though he doesn't have a birth certificate. All his personal papers were destroy during the

World War ?I don't know if he really is so old, and it doesn't matter. He certainly looks very old.

Of course, he is often asked question by people who want to be told the secret of long life. Old Joe

always answered them like this, "If you are offered a cigarette, never accept it; if you are annoyed by

someone, never lose his temper; and if you are asked foolishly questions, never answer them."

_______________________________________________________________________________

矫命以责赐诸民。矫：

小王正在负责为一家水厂开发MIS系统，虽然他没有管理类似项目的经验，但其团队的一名成员做过类似的项目。该成员的这些经历为准确估算项目的成本做出了贡献，这一点对实现盈利很有帮助。上述情况表明______。

A．专业成本建议总是需要的
B．团队里每个项目干系人都可能具有对制定项目管理计划有用的技能和知识
C．参数模型应该与专家的判断一起用，作为一次性付款合同理想的成本估计方法
D．一个人要提供精确的信息，并不一定要知道当地的环境等情况