为防止路面冬季打滑,矿所用的防滑落剂的主要成分为()。
A.碳酸钙与氯化钙
B.氯化钙与硝酸钙
C.硝酸钙与硝酸钾
D.氯化钠与碳酸钙
参考答案:B
ITP的中医病名是()
A.虚劳
B.温病
C.肌衄
D.痹证
E.中风
—Do you think it a good thing if too high house prices can't be brought under control .
—________,it was bad.
A.In other words
B.On the other hand
C.On the contrary
D.In the meanwhile