2009年度全国旅行社营业收入为1806.53亿元，同比增长8.64%；毛利润总额为134.36亿元，毛利率为7.44%；净利润总额为11.48亿元，净利率为0.64%。
2009年度全国旅行社的旅游业务营业收入为1745.59亿元，同比增长8.87%：旅游业务毛利润为120.27亿元，旅游业务毛利率6.89%；实缴税金为12.69亿元，同比增长12.37%；外汇结汇10.51亿美元，同比减少11.24%；全年促销费支出为6.76亿元，同比增长13.87%。
2009年全国旅行社非旅游业务的毛利率约为（）。
A．8%
B．11%
C．17%
D．23%
参考答案：D
解析：
由第一、二段可知非旅游业务的营业收入为(1806.53-1745.59)亿元，非旅游业务的毛利润(134.36-120.27)亿元，则非旅游业务的毛利率为
，答案为D。
People who are outdoors in cold weather should avoid actions like suddenly lifting a heavy basket full of snow. Even walking through heavy, wet snow can strain a person’s heart. Many people aren’t conditioned to the physical stress of outdoor activities and don’t know the dangers of being outdoors in cold weather. Those who like winter sports can suffer accidental hypothermia if they don’t make certain preparations. Hypothermia means the body temperature has fallen below normal. It occurs when your body can’t produce enough energy to keep the internal (内部的) body temperature warm enough. It can kill you. Heart failure causes most deaths in hypothermia. Children, the elderly and those with heart disease are at special risk. As people age, their ability to keep a normal internal body temperature often decreases. Elderly people can suffer hypothermia without knowing they’re in danger because they can’t notice the cold conditions as quickly as the young. Besides cold temperatures, high winds, snow and rain can also steal body heat. Wind is especially dangerous because it removes the layer of heated air from around your body. At 30 degrees Fahrenheit in a 20-mile-per-hour wind, the cooling effect is equal to calm air at four degrees. Similarly dampness (湿气) causes the body to lose heat faster than it would at the same temperature in drier conditions. To keep warm, wear more clothes. This traps air between layers. Also, wear a hat or head scarf. Much of your body’s heat can be lost through your head. Keep your hands and feet warm, too, as they tend to lose heat rapidly. Don’t drink alcohol before going outdoors or when outside. Alcohol makes you feel warm at first because blood vessels in the skin expand. But heat is then drawn away from the body’s important organs. 1. The underlined word “strain” in Paragraph 1 means ________. A. injure B. warm C. control D. burn 2. What is implied in the passage about hypothermia?
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