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题目：
未知类型
A.并不重要的时期
B.非常重要的奠基时期
C.没有效果的时期
D.最不会受外界影响的时期
答案：
<查看本题扣1积分>
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进行人工呼吸时，吹气后观察伤员（）。
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介质损耗因数检验基本误差要求是（）。
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1907年，徐傅霖、徐一冰等人在上海成立的（），以培养体育师资为目标；1908年，中国体操学校女子部改为（），是我国近代办学时间较长、作用较大的两所学校。
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（）是理解权力所不可缺少的三个方面。
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（）通过口头言语交换看法、收集信息，是人际互动最常见的方式。
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The Olympics1 The Olympic games are an international sports competition. In the Olympics, athletes take part in many different types of sports. Some athletes compete in the Winter Olympics. s Some compete in the Summer Olympics2 The Olympic games are very old and have a very interesting history. The first Olympic Games were held in Greece in ancient times. They probably began in the eighth century, B. C. the contests were held every four years in summer. The first games lasted for only one day. There was only one contest: a short race. Only Greek men were allowed to run in the race. No women and no non-Greeks were allowed to take part. Women were not allowed to watch the race either, or to be anywhere near the racing area. But the ancient games were stopped in the fourth century, A. D,when Greece was ruled by Rome3 The Olympics were started again in the nineteenth century, after Baron Pierre de Coubertin, a Frenchman, suggested that it would he good to have the games again, but not just for Greek people. De Coubertin organized a meeting in 1894. Representatives from nine countries went to the meeting, in Paris. They agreed to start the Olympic Games again in Athens, Greece, in 1896. The Olympic Games have been held every four years since 1896 However, the games were not held three times - in 1916, 1940 and 1944-because of the two world wars4 De Coubertin also started a committee to run the Olympics. This committee is called the International Olympic Committee. It makes the rules for athletes in the Olympics5 These rules are very strict. (1) Everyone who would like to be in the Olympics must be an amateur. They must not have played the sport professionally. (2) There are no age limits. An athlete can be young or old. (3) No one can be kept out of the Olympics because of religion, color, or political ideas. (4) Only people who were born in a particular country can represent that country in the Games. (5) In each event, each country can have only three entries in the summer games, and four entries in the winter. These rules help to make sure that everyone has the same chance of winning6 The events and games are of several different types. There are individual contests, where each athlete competes alone. To win this type of contest, one athlete must be better, faster, or stronger than other athletes Some examples of individual sports are swimming, running, and walking races. In a second group of events and games, three or four athletes work as a group. These contests are usually races, and the fastest group wins. For these small groups, there are relay races in running and swimming in summer, and relays in skiing in winter. In a third group of games, teams from each country compete in sports. For teams, there are many kinds of games. They play games such as basketball, football, and volleyball. To win these games, one team must have a higher score than the other team The athletes must usually be able to catch, throw, hit, or kick a ball very well to win7 For an amateur athlete, winning in the Olympics is a great achievement. The Games are not easy to win, whether an athlete competes in the summer or in the winter. There are many excellent athletes who compete alone, in small groups, or on teams. An athlete who wins the Olympics is the best in the worldQuestions 1 一 10:1. The Olympic Games were firstly held in Greece2. There were many different types of contests in the first Olympic Games3. Women were neither allowed to run in the Greek race nor allowed to watch it4. Greece was ruled by Rome in the eighth century B. C5. The Olympics were started again in 18946. It is Barron Pierre de Coubertin that made the Olympics an international event7. Due to the two world wars, the games were not held two times8. Only the professional athletes are allowed to take Part in the Olympic Games9. An athlete who has just immigrated into another country may represent it in the Olympic Games10. Three main types of games are mentioned in the passage, i. e. the contests in which athletes compete either individually, or as a small group, or as a team
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补阳还五汤中黄芪与当归的药量是（）
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下列关于农产品质量安全认证的特点叙述正确的是()。
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对某一流段，设其上、下游两断面1-1、2-2的断面面积分别为A1、A2，断面流速分别为v1、v2，两断面上任一点相对于选定基准面的高程分别为Z1、Z2，相应断面同一选定点的压强分别为p1、p2，两断面处的流体密度分别为ρ1、ρ2，流体为不可压缩流体，两断面间的水头损失为ht1-2。下列方程表述一定错误的是：（）
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感染HIV后，下列哪些物质可能具有传染性（）