( )
A:We'll go to Dalian by bike.
B:We'll go to Dalian on foot.
C:We'll go to Dalian by train.
如图为哺乳动物的牙齿的结构,下列关于图中动物食性类型的判断,正确的是( )
将10g碳酸钙固体高温煅烧一段时间,冷却后投入足量稀盐酸中完全反应,有关结论错误的是( )