To sum up;a system of conservation based solely on econominc self-interest is hopelesstly lopsided(50)It tends to ignore,and thus eventually to eliminate,many elements in the land community that lack commercial value,but that are essential to its healthy functioning.Without the uneconomic pats。

　　Section III Writing

　　Part A

　　51.Directions:

　　You are supposed to write for the postgraduate association a notice to recruit volunteers for an intemational conference on globalization,

　　you should conclude the basic qualification of applicant and the other information you think relative。

　　You should write about 100 words.Do not sign your own name at the end ofthe letter.Use"postgraduate association" instead。

　　Part B

　　52.Directions:

　　Write an essay of 160200 words based on the following deawing.In your essay,you should

　　1)      describe the drawing briefly,

　　2)      ecplain its intended meaning,and then

　　3)      give your comments。

　　You should write neatly on ANSHWER SHEET2.(20 points)