问题
单项选择题
How to evaluate the performance of students is still a problem that troubles many professors.
A.examine and judge
B.assist in
C.enhance
D.account for
答案
参考答案:A
解析: 本题中,evaluate的意思是“评价,估计,求…的值”。四个选项中,examine and judge的意思是“评估,检测”;assist in的意思是“帮助”;enhance的意思是“加强”;account for的意思是“说明,解决”。只有A项符合题意。