数据仓库与数据库的主要区别是前者面向 【25】 型数据,后者则面向操作型数据。
参考答案:分析
Dick can __________ English and a little Chinese. [ ]
A. speak
B. talk
C. say
D. tell
Brown said he was by no means annoyed; ______, he was glad to be able to make himself clearly understood.
A.all in all
B.for one thing
C.on the contrary
D.by the way