2.指出學生選擇教師時所考慮的主要因素。

　　3.點明學生自選任課教師的益處和可能產生的問題。

　　參考范文：

　　On Students Selecting Lecturers

　　Nowadays students in some universities are entitled to the choice on lecturers for some courses.This offers students a more flexible and efficient way of learning.

　　There are several factors when choosing a lecturer.To begin with，a wide academic background should be preferred，since a learned teacher will greatly enlarge his/her students’scope of knowledge in delivering his/her lessons.Secondly'a teacher with a liberal teaching style is desirable，because this kind of teacher will create a relaxed and pleasant classroom atmosphere，thus making learning interesting.Last but not least，the personality of the lecturer should be paid attention to when choosing a lecturer.

　　This campus practice Can definitely urge students to take an active part in study and thus pour more efforts and interest in their learnin9.And it will also push teachers to imlbrove their teaching quality.Every coin has two sides，so it can inevitably bring some side-effects.For example，some top lecturers will be ignored for not pleasing the students.

　　You should write a poster recruiting volunteers.

　　1.校學生會將組織一次暑假志愿者活動，現招募志愿者，

　　2.本次志愿者活動的目的、內容、安排等。

　　3.報名條件及聯系方式。

　　參考范文：

　　Volunteers Needed

　　As it is necessary for college students to take an active part in social activities，the Student Union decides to organize a social practice during the summer holiday and is now recruiting volunteers.

　　We will show the plan and the arrangement to all the students who want to join us.Our plan is to depart next weekend，when the summer vacation officially begins.And，our purpose is to supply our service to the Olympic Games.The first destination is Nanjing，the world famous city for its beauty and mild temperature.We’Il take the train and stay there for 　　l day,and then we’ll head for Shanghai.During the 3-day stay there，we will help the coaches there，SO that the game can go smoothly.In Beijing we will undertake a lot of work，and we 　　will stay there for about a week.All together,our trip will last about two weeks.

　　Those interested please contact as either through email(XXX@126.tom)or phone call(12345678).