教科书是教师进行教学的主要依据，为教师的备课，上课，布置作业，学生学习成绩的检查评定提供了基本材料。
参考答案：对
You cannot expect her to do the housework _____ look after the children.[ ]
A. just as well
B. as well
C. as well as
D. besides
钢的表面呈红色钢的加热温度大致在（）℃。
A.550-600
B.700-800
C.850-900
D.1000-1100
