用以检查学生学习成绩为主的课称为()。
A.新授课
B.复习课
C.考核课
D.综合课
参考答案:C
12. Most American cities are relatively small _____ population when compared with Shanghai and Beijing.
A.as well as
B.by means of
C.except for
D.in terms of
MGB1420万能磨床控制电路电气故障检修时,自动循环磨削加工时不能自动停机,可能是电磁阀YF线圈烧坏,应更换线圈。