得分評卷人

　　Ⅵ.Writing 10%

　　Directions:Your department is going to sponsor an international conference on “Protection and Conservation of Natural Resources”.You are the secretary of the department.Write a letter to Professor Smith to

　　1.invite him to attend the conference;

　　2.ask him to give a speech during the conference;

　　3.tell him some details of the arrangement.

　　You should write about 100 words.