修建性详细规划图纸比例为( )。
A.1:5 000~1:10 000 B.1:1 000~1:2 000C.1:500~1:1 000 D.1:200~1:500
参考答案:D
细菌、真菌培养的一般步骤是( )
①高温灭菌 ②接种 ③配制含有营养物质的培养基 ④恒温培养.
A.①②④③
B.②①④③
C.③①②④
D.①③②④
Without facts, we can't form a worthwhile opinion for we need to have factual knowledge _____ our thinking. [ ]
A. upon which to base
B. which to be based on
C. which to base on
D. to which to be based on