风对树木最大的危害是（ ）。
A．吹落树叶
B．吹折树干
C．加大土壤蒸发
D．造成生理干旱
参考答案：D
The opening ceremony of the 29th Beijing Olympic Games was _____ that everybody was greatly impressed_____ it.
A．a such big success; at
B．such a big success; on
C．a so big success; by
D．so big a success, with
按《建筑地基基础设计规范》(GB 50007—2002)，地基基础设计前应进行岩土工程勘察，设计等级为乙级的建筑物应提供的资料有( )。
A．标 (B) 抗
