完形填空

Different things usually stand for different feelings．Red, for example, is the colour of fire, heat, blood and life．People say red is an exciting and active color．They associate(把……联想起来)red with a strong feeling like anger．Red is used for signs of 　　1　　, such as STOP signs and fire engines．Orange is the bright, warm colour of 　　2　　 in autumn．People say orange is a 　　3　　 colour．They associate orange with happiness．Yellow is the colour of 　　4　　．People say it is a cheerful colour．They associate yellow too, with happiness．Green is the cool colour of grass in spring．People say it is a refreshing colour．In general, people 　　5　　 two groups of colours：warm colours and cool colours．The warm colours are red, orange, and 　　6　　．Where there are warm colours and a lot of light, people usually want to be 　　7　　．Those who like to be with others like red．The cool colours are 　　8　　 and blue．Where they are colours, people are usually worried．Some scientists say that time seems to go by more slowly in a room with warm colours．They suggest that a warm colour is a good 　　9　　 for a living room or a restaurant．People who are having a rest or are eating do not want time to pass quickly．　　10　　．