关于脊髓的血液供应说法不正确的有（）
A.根动脉是颈升动脉颈深动脉、肋间动脉、髂腰动脉、外侧骶动脉的分支
B.胸根动脉与腰根动脉连接处脊髓节段血液供应最好
C.脊髓前后动脉来自椎动脉的颅内部分
D.脊髓前动脉上胸部以上的血液来自椎动脉，血流向下；上胸部以下血流来自根动脉，血流向下
E.脊髓前动脉仅1根位于脊髓正前方，脊髓后动脉位于脊髓后外侧沟表面左右各1根
参考答案：B, D
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| The game of football began in England in the middle of the nineteenth century. But the Chinese played a game 1 football more than 2,000 years ago. In the 2 , it was not easy and dangerous. There was not a fixed (固定的) number of 3 and there were always a lot of fightings. In 1863 the Football Association (协会) was founded (成立) to bring 4 to the game. Since then, more and more people began to play football, making it the world’s most 5 sport. It’s the strongest in Europe and 6 , but it is more popular in Africa 7 and now women also play football.Women’s football is one of the fastest 8 sports in the world. The World Cup is the 9 important prize (奖) in international football. The match is held (被举行) every four years in 10 countries around the world. The first match was held in 1930 and the winner was Uruguay. | |||
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