对某一工地确定桩身波速平均值时,应选取同条件下不少于()根Ⅰ类桩的桩身波速参于平均波速的计算。
A.2个
B.4个
C.5个
D.8个
参考答案:C
Read and answer.
1. How old are you?
2. Amy is 155 cm tall. Are you taller than her?
3. What did you do last weekend?
Word2003文档转换成纯文本文件时,一般使用()命令。
A.新建
B.保存
C.全部保存
D.另存为