问题
单项选择题 A1/A2型题
有关上矢状窦血栓形成的病因表述正确的是（）。
A.多见于眶部、鼻窦及上面部化脓性感染或全身性感染
B.最常见于脱水和衰弱的婴儿
C.常由化脓性乳突炎或中耳炎引起
D.由脑底异常血管网病引起
E.高血压和动脉粥样硬化
答案
参考答案：B
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有关上矢状窦血栓形成的病因表述正确的是（）。
A.多见于眶部、鼻窦及上面部化脓性感染或全身性感染
B.最常见于脱水和衰弱的婴儿
C.常由化脓性乳突炎或中耳炎引起
D.由脑底异常血管网病引起
E.高血压和动脉粥样硬化
参考答案：B
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| Last week, Anna was in Beijing for six days. On the first day, July third, she went to the Great wall. On the second she went shopping. Then she went to the library and the zoo on the third day. On the fourth she went swimming. Then the next day she didn't go anywhere. On the last she went back to Fuzhou.
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