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We all associate colors with feelings and attitudes. In politics, dark blue often means "tradition", and red means "social change". But blue can also mean sadness (I’m feeling blue). White is often for purity, although in China white is worn for funerals, and red is used to express the joy of a wedding, in western Europe white is worn at weddings and black for funerals. Advertisers are aware of the importance of selecting colors according to the way people react to them. Soap powders come in white and light blue packets ( clean and cold, like ice); cereals often come in brown packets (tike wheat fields), but cosmetics never come in brown jars (dirty). Where do these ideas come from Max Luscher from the University of Geneva believes that in the beginning life was dictated by two factors beyond our control: night and day. Night brought passivity, and a general slowing down of metabolism; day brought with it the possibility of action, and increased in the metabolic rate, thus providing us with energy and initiative. Dark blue, therefore, is the color of quietness and passivity, bright yellow the color of hope and activity. In prehistoric times, activity as a rule took one of two forms: either we were hunting and at- tacking, or we were being hunted and defending ourselves against attack. Attack is universally re- presented by the color red; serf-preservation by its complement green. Soap powders come in white and light blue packets to______.
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管理当局政策变动过频等因素导致的期货市场不可控风险属于宏观环境变化的风险。( )
At least since the Industrial Revolution, gender roles have been in a state of transition. As a result, cultural scripts about marriage have undergone change. One of the more obvious (31) has occurred in the roles that women (32) . Women have moved into the world of work and have become adept at meeting expectations in that arena, (33) maintaining their family rules of nurturing and creating a(n) (34) that is a haven for all family members. (35) many women experience strain from trying to "do it all," they often enjoy the increased (36) that can result from playing multiple roles. As women’s roles have changed, changing expectations about men’s roles have become more (37) . Many men are relinquishing their major responsibility (38) the family provider. Probably the most significant change in men’s roles, however, is in the emotional (39) of family life. Men are increasingly (40) to meet the emotional needs of their families, (41) their wives. In fact, expectations about the emotional domain of marriage have become more significant for marriage in general. Research on (42) marriage has changed over recent decades points to the increasing importance of the emotional side of the relationships and the importance of sharing in the "emotion work" (43) to nourish marriages and other family relationships. Men and women want to experience marriages that are interdependent, (44) both partners nurture each other, attend and respond to each other, and encourage and promote each other. We are thus seeing marriages in which men’s and women’s roles are becoming increasingly more (45) .
Every living thing has what scientists call a biological clock that controls behavior. It tells plants when to 62 flowers and insects when to leave protective cocoon(茧) and fly away. And it tells animals and human beings when to 63 , sleep and seek food. It controls our body temperatures, the 64 of some hormones and even dreams. Events 65 the plant and animal affect its actions. Scientists recently found that a tiny animal called Siberian hamster changes the color of its 66 because of the number of hours of 67 . In shorter days of winter its fur becomes white. The fur becomes gray-brown in longer 68 of daylight in summer. 69 signals control other biological clocks. German scientists found that some internal one seems to order birds to begin their 70 flights two times each year. Birds prevented from flying become 71 when it is time for the trip. 72 they become can again when the time of the flight has ended. A mix of outside and internal events controls some biological clocks；such things as heartbeat and the daily change from sleep to walking take place because of both external and internal signals. Scientists are beginning to learn 73 parts of the brain contain the biologicaI clocks. A researcher at Harvard University. Dr. Martin Moore Ede, said a small group of cells near the front of the brain seemed to control the 74 of some of our actions. Probably there are other cells to control other body activities. He is studying 75 they affect the way we do our work. Most of us have great difficulty if we 76 often change to different work hours. 77 call take many days for a human body to 78 a major change in work hours. Industrial officials should have a better 79 of biological clocks and how they affect workers. He said such an understanding could 80 sickness and accidents at work, and would help increase 81 .
在UNIX系统中，文件分成3类，即普通文件、 【7】 和特殊文件。
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