问题
单项选择题
In contrast to the new teachers, the middle-standing and veteran teachers seem to have made a remarkable improvement in their ability to ______.
A．be fair to any pupil
B．evaluate pupils' progress
C．present materials clearly
D．understand and play with pupils
答案
参考答案：C
解析：可以从表格中看出在第四个问题项——板书清晰整洁——中新老师的得分明显低于其他两组，因此正确选项是C。