考博考试

【单选题】 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

网考网参考答案：A
网考网解析：
examine and judge评估，检测；assist in帮助；enhance加强；account for说明，解决。 查看试题解析出处>>