当钢丝绳直径大于16mm且小于20mm时，应用（）个绳卡固定绳端。
A.3
B.4
C.5
参考答案：B
My mother was against my plan while my father was _____ it.
[ ]
A. in favor of
B. in memory of
C. in need of
D. in search of
打开工作簿文件EX.XLS(内容如下),将工作表sheet l的A1：D1单元格合并为一个单元格,内容居中,计算"学生平均值"列的内容,将工作表命名为"奖学金获得情况表"。
