一般当产品粒度在10-0.5mm时,脱介筛筛上喷水量为()
A.2.5-3吨煤用水量/m3
B.2-3吨煤用水量/m3
CA.1.5-3吨煤用水量/m3
参考答案:A
The clean-up operation at the bullet train crash site in east China’s Zhejiang province has been completed. Meantime, trains have resumed services on the railway ______ the accident occurred.
A.which
B.that
C.where
D.the place where
如何正确评价归纳与演绎在科学认识中的作用?