问题
单项选择题 A1型题
热痉挛的发病机制为（）
A.水、电解质代谢紊乱
B.大量失水引起循环血量减少，热引起外周血管扩张
C.太阳照射头部过度受热，脑组织受热充血
D.机体产热与获热>散热，引起体内蓄热，使体内温度不断升高所致
E.以上均不是
答案
参考答案：A
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热痉挛的发病机制为（）
A.水、电解质代谢紊乱
B.大量失水引起循环血量减少，热引起外周血管扩张
C.太阳照射头部过度受热，脑组织受热充血
D.机体产热与获热>散热，引起体内蓄热，使体内温度不断升高所致
E.以上均不是
参考答案：A
Tim was reading a book at office. Someone knocked on the door. He opened the door. 1 . "My name is Rebecca," said the lady. "You’ve got to help me!" "Take it easy." 2 "What happened?" "My grandma died last month. She left all her money, about $1,000,000 to me. She told me she had saved the money in a bank. 3 . " "But yesterday when I went to the bank, I only got an envelope with nothing in it. he money is gone!" Rebecca took the envelope out of her handbag and gave it to Tim. Tim looked at it carefully under the light. It was just an envelope with two old stamps on it. 4 “Don’t worry, Rebecca," he said. "Your money is still here.” |