班级是学生发展的一面镜子,它通过群体作用在镜子中所形成的影像,即班级组织的镜像,在教育教学过程中发挥着重要的作用。( )
参考答案:对
—What do you think of the film 2012?
—Well, it’s good.At least it’s ______the one I saw last time with Jean.
A.as bad as
B.not as good as
C.no worse than
D.not better than
控制轧制主要能提高钢的().
A.强度和韧性
B.强度和硬度
C.强度和塑性