多项选择题 控制水库渗漏的工程地质条件是（）。

单项选择题 Furthermore, we wish to point out that for such articles as window glass, porcelains, etc．______ additional Risk of Breakage has been insured, the cover is subject to a franchise of 5%. A．even B．even if C．as if D．if

单项选择题 下列（）可贮存较丰富的地下水资源。