选择题:[单选题,7.6分] -Is this your ________ visit to my home

题目内容:
[单选题,7.6分] -Is this your ________ visit to my hometown, Zunyi?
-No. I.ve been here for many times.


A.one
B.the first
C.first
D.second
参考答案:

水塔筒壁混凝土浇筑,如遇洞口处,应由正上方下料,两侧浇筑时间相差不超过2h。(A)正确(B)错误

水塔筒壁混凝土浇筑,如遇洞口处,应由正上方下料,两侧浇筑时间相差不超过2h。(A)正确(B)错误

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