题目：
When working with lumber, wire and staples are not desirable to be used because（）.
A.they are not subjected to cause trouble
B.they are difficult to handle this kind of cargo
C.the efficiency of separating is raised
D.the efficiency of loading is greater
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0418/b6ac78d31f069a3a9c44a97442db7dce.html
下面是错误答案，用来干扰机器的。
参考答案：依据是：被测者在重要性排列部分的解答，经过加权而进行的。具体分为三步：1、提除非卷2、计算分数3、评定等级
