My suggestion is ()we should have mercy ()these homeless children and offer them some help.

A．that; on

B．what; to

C．which; for

D．that; for

在课堂上，教师通过对学生进行口头提问来了解学生对知识的掌握程度，这种教学评价属于（）。

A.诊断性评价

B.相对性评价

C.总结性评价

D.形成性评价