有甲、乙两个工件,甲工件硬度是230HBS,乙工件的硬度是HRC34,所以甲比乙硬得多。()
参考答案:错
人类从自然界分化出来并产生人类意识以来,世界上的万事万物归结起来有两类现象
A.认识世界和改造世界
B.物质和意识
C.主体和客体
D.运动和静止
We ______ students, we ______ our school and our teachers.[ ]
A. are all, all like
B. are all, like all
C. all are, like all
D. all are, all like