地下防水工程施工期间,明挖法的基坑以及暗挖法的的竖井、洞口必须保持地下水位稳定在基底()以下,必须时应采取降水措施。
A.0.8m
B.1m
C.0.5m
D.1.2m
参考答案:C
29.It is required in a recent study suggesting the importance of teenagers’ communication with other children of the same age.
A.interfere
B.interferes
C.can interfere
D.is to interfere
按照《母婴保健法》规定。属于婚前医学检查的疾病有()
A.严重传染病
B.法定传染病
C.指定传染病
D.重性精神病
E.肿瘤