【正文】 but it should be conducted in a way that can really shed meaningful light on teachers? performance. Instead of rating the teachers? knowledge on the subject， students should be asked to estimate what they have learned in a course， and to report on such things as a teacher?s ability to municate with students， his or her relationship with students， and his or her ability to arouse students? interest in the subject. 總結(jié)之前 students choosing lecturers 存在的問題 On students selecting lecturers Nowadays many universities entitle the students to choose the teachers freely for some courses, which is weled by most students, and which is being the focus of the students and teachers? concern. There are many factors which will influence the students? choosing a teacher. First of all, it is generally accepted that a teacher?s professional knowledge and ability is the most important factor, since students choose their courses to learn knowledge. Moreover, quite a few students think teaching methods and skills are essential to a good teacher. He must know how to teach. In addition, a teacher?s humor sense is also an important factor many students will consider. Undoubtedly, free choosing of teachers are very beneficial to both teachers and students. On the one hand, it can provide a good chance for a teacher to prove and show his ability. On the other hand, by this way, students can choose teachers they like and obtain more initiative in learning. However, since it is a free choice, a small number of excellent teachers will bee the focus of most students? choosing, which will lead to an unreasonable class size and influence teaching effect seriously. 2 At present, as educational reform finds its way into campuses, some universities and colleges begin to permit students to select their lecturers freely. Students base their selection on a great variety of factors. For some, the first thing they bear in mind is if the professor excels at his or her field and conveys his or her idea with humor and passion, etc. For others, the crucial factor is that if the teacher is mild in grading their essays or papers. The strengths of selecting your favorite teacher on a free market are that the best teachers potential could be fully made use of and students could find more enjoyment in their study. The weakness, however, is that teachers who hand out higher marks may be popular with some students, which will definitely have negative impacts. 3 Nowadays students in some universities are entitled to the optional choice on lecturers for some specific courses. This offers students a more flexible and more efficient way of learning. However, there are several factors for students to consider when choosing their ideal lecturers. On the one hand, the lecturer39。s character into account. Without good character, a lecturer can39。s more, the ideal lecturer is one who has an interesting teaching style and a good reputation among the students. Free choosing of lecturers may bring to the students many advantages, such as encouraging students to take an active part in classes and putting more pressure on lecturers to improve their teaching quality. Nevertheless, it also brings along the terrible fact that some top lecturers will be ignore