在土壤酸碱度划分标准上,中性土壤PH是()
A.5.5---6.5
B.6.5---7.5
C.7.5---8.5
D.>8.5
参考答案:B
一些史学家常称唐朝为“李朝”、宋朝为“赵宋”,那么被称为“元魏”的是
A.战国时期的魏国
B.北魏
C.三国时期的魏国
D.元朝
The money collected should be made good use ________ the people in Taiwan who suffered a lot in the earthquake.[ ]
A. of helping
B. to help
C. to helping
D. of to help