同学们做早操,每行18人,正好可以站20行.如果每行排24人,可以站多少行?
18×20÷24,
=360÷24,
=15(行);
答:可以站15行.
—May I speak to your manager at 4:00 this afternoon?
—Sorry, sir. He ________ to a meeting soon.
A.would go
B.has gone
C.will have gone
D.is going
教师的期望是否产生预言效应,有以下因素影响()
A.教师自身的因素
B.学生的人格特征
C.原有的认知水平
D.归因风格