ven some direstion," says Ms Collis, " the actors were not told which facial muscles they should move. " _________(50) For example, when someone feel contempt, you can't say for certain that their eyebrows always go down.

　　Someone who has tried to establish such rules is the American, Professor Paul Ekman, who has built a database of how the face moves for every emotion. The face can make 43 distinct muscle movements called " action units". These can be combined into more than 10, 000 visible facial shapes. Ekmen has written out a pattern of facial muscular movements to represent each emotion.

　　A. He said that this expression of feeling is universal and recognizable by anyone from any culture .

　　B. Any other method of showing the 412 emotions whould have been far less effective.

　　C. Research has also been done to find out which area of brain read the emotional expressions.

　　D. These particular muscles are difficult to control, and few people can do it.

　　E. They decided that it was a mental state that could be preceded by "I feel" "he looks" or"she sounds".

　　F. We thought of trying to describe each emotion, but it whould have been almost impossible to make clear rules of this.

　　第六部分：完形填空（第51-65题，每题1分，共15分）

　　下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选择。

　　Racial Prejudice

　　In some countries where racial prejucide is acute, violence has been taken for granted as a means of solving differences; and this is not even questioned. There are countries _________(51) the white man imposes his rude by brute (粗暴) force; there are countries where the black man protests by _(52) fire to cities and by looting and pillaging(抢夺). Important people on both sides, who would in other respects appear to be reasonable men, get up and calmly argue in_________(53) of violence as if it were a legitimate (合法的) solution, _________(54) any other. What is really frightening, what really _________(55