问题
单项选择题
下列有关发绀伴随症状的描述不妥的是
A．发绀伴呼吸因难常见于重症心、肺疾患
B．发绀伴呼吸因难常见于急性呼吸道阻塞、气胸
C．先天性高铁血红蛋白血症有明显的发绀及呼吸困难
D．发绀伴杵状指(趾)见于慢性肺部疾病
E．发绀患者急性起病伴意识障碍和衰竭见于休克
答案
参考答案：C
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下列有关发绀伴随症状的描述不妥的是
A．发绀伴呼吸因难常见于重症心、肺疾患
B．发绀伴呼吸因难常见于急性呼吸道阻塞、气胸
C．先天性高铁血红蛋白血症有明显的发绀及呼吸困难
D．发绀伴杵状指(趾)见于慢性肺部疾病
E．发绀患者急性起病伴意识障碍和衰竭见于休克
参考答案：C
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| American people like to say "Thank you" when others help them or say something kind to them. People of many other 1 do so, too. It is a very 2 habit (习惯). You should say "Thank you" when someone passes you the salt on the table, when someone 3 before you keeps the door 4 for you, when someone says you have done your work 5 , or you have bought a nice thing, or your city is nice. "Thank you"is used not only 6 friends, but also between parents and 7 , brothers and sisters, husbands and wives. "Excuse me" is 8 short sentence they use. When you hear someone say it 9 you, you know that somebody wants to walk past you. It is not polite to break others while they are 10 . If you want to speak to one of them, say "Excuse me " first, and then begin talking. You should also do so when you want to cough or make any unpleasant noise before others. |