In general, people talk about two groups of colors: warm colors and cool colors. 　36　 　in psychology (心理学) think that there are two 　37　 　of people: people who prefer warm colors and people who prefer cool colors. The warm colors are red, orange and yellow.　　 38　 there are warm colors and a lot of light, people usually want to be 　39　 . People think that red, 40　 , is exciting. People who like to be with 　41　 　like red. The cool colors are green, blue and violet(紫色). These colors, 　42　 　warm colors, are 　43　 . Where there are cool colors, people are usually 　44　 . People who like to spend time 　45　 　often 　46　 　blue.

Red may be exciting, but one researcher says that time seems to pass 　47　 　in a room with warm colors than in a room with cool colors. He thinks that a warm color, such as red　　　 48　 orange, is a good color for a(an) 　49　 　or restaurant. People who are relaxing or eating do not want time to pass 　50　 . Cool colors are better for offices or factories if people who are working there want time to pass quickly.

Researchers do not know 　51　 　people think some colors are warm and others are cool. 52　 , almost everyone 　53　 　that red, orange and yellow are warm and that green, blue and violet are cool. Perhaps warm colors 　54　 　people of warm days and the cool colors remind them of cool days. Because in the north the sun is low during winter, the sunshine seems quite blue. Because the sun is higher during summer, the hot sunshine 　55　 　yellow.

35. I won’t allow you to swim across the river, even if you _________ do it.

　 A. dare　　　 　　　　B. dared　　 　　　　C. dares to　　 　　　D. daring

34. I was about to swim in the river 　　　　　　the guide shouted at me.

　 A. when　　　 　　　　B. while　　 　　　　C. as　　　　 　　　　D. during

33. He failed in the exam ________ his carelessness.

　 A. because　　 　　　　B. because of　　 　　C. since　　 　　　　D. as

32. I _______ Jack to ring up to see if Mary was there.

　 A. suggested　 　　　　B. hoped　　 　　　　C. advised　　 　　　　D. made

31. ---- Will you go there with me?

　 ---- Well. It ________.

　 A. sees　 　　　　　　B. depends　 　　　　　C. judges　 　　　　　D. looks

30. Great changes ______ in our city, and some schools ______ set up.

A. have taken place; have been　　　 　　　　　B. have taken place; have

　 C. have been taken place; have been　 　　　　　D. were taken place; were