题目: 钻孔灌注桩灌注水下混凝土时应严格控制导管埋管深度,一般不得超过()m。A.0~2 B.2~4 C.2~6 D.6~8 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0713/81c88a58be0dc6f63ebd9da52645c374.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:单项选择题 I was giving a talk to a large group of people, the same talk I()to half a dozen other groups before.A.was givingB.am givingC.had givenD.have given 查看答案