患者，男，56岁，渐进性声嘶3个月，伴憋气、呼吸困难5小时急诊入院。门诊资料：缺；专科检查：患者有发绀，三凹征明显，呈典型吸气性呼吸困难，紧急监护，心率加快，血氧饱和度85%。
气管切开术中引起严重出血，最有可能损伤的动脉是（）
A.颈总动脉
B.颈横动脉
C.甲状腺上动脉
D.甲状腺下动脉
E.气管环滋养动脉
F.以上都不是
参考答案：D
“Hi! John.” Mary ran towards me with a bright smile, saying, “I’m going to have a dance performance tonight. I hope you’ll come. Here is the ticket. Don’t forget!” Then she 41 in a hurry. “What? Dance? Is that 42 ?” I asked myself. Mary was not such kind of girl. She was quite common one. I had never seen her wearing colorful clothes. In fact, she really did not know 43 to dress up. What a terrible thing! “I should go to, I must go to.” I thought. I arrived at the hall with the ticket, found my seat and sat down. Her performance was the seventh one. I knew I would have a 44 time before her turn, for I had no sense of art, 45 her performance was worth(值得)watching, no matter how long I would wait. Time went 46 , I tried my best not to fall asleep. Just then, came the words, “Let’s welcome the next exciting dance – Latin!” Hearing this, I opened my eyes as large as possible, 47 to lose anything. Wearing a golden and shiny skirt, Mary appeared. She danced with a sweet smile, looking like a pretty butterfly flying … I could 48 believe my eyes. After all the performance ended, I 49 her at the gate. “Hi!” She stood in front of me with her crystal(水晶) shoes. “How do you feel?” “Fantastic!” I answered. “Ha, ha. I knew it would be.” She could not hide her excitement, laughing 50 a child. At that time, I realized that every girl has a pair of special shoes which are like the crystal shoes of Cinderella.
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