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【多选题】
气管切开术的适应症包括( )。
A.
喉阻塞
B.
下呼吸道分泌物潴留
C.
预防性气管切开
D.
严重出血性疾病
E.
气管切开部位以下占位性病变引起的呼吸道梗阻者
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【简答题】In ancient times wealth was measured and exchanged in things that could be touched: food ,tools, and previous metals and stones. Then the barter system was replaced by coins, which still had real valu...
【简答题】In ancient times wealth was measured and exchanged in things that could be touched: food, tools, and precious metals and stones. Then the barter system was replaced by coins, which still had real valu...
【多选题】根据对称性可将晶体分为:()
A.
7个晶族
B.
3个晶系
C.
32种对称型
D.
47种单形
【简答题】1 The Chinese may have known about the Olympic s in ancient times. 2 The need for sport is present in all societies. 3 In ancient Greece people preferred sport to fighting. 4 Sport can replace con...
【简答题】简述注射液中抗氧剂的干扰及排除方法。
【简答题】正常人体血浆渗透压为____,相当于血浆渗透浓度为____。
【简答题】正常人体血浆渗透压为 ,相当于血浆渗透浓度为 。
【简答题】根据对称性可将晶体分为 个晶族, 个晶系。
【简答题】List the number of the true statements. 1 The Chinese may have known about the Olympic s in ancient times. 2 The need for sport is present in all societies. 3 In ancient Greece people preferred sp...
【简答题】Say something about the Asian inter-civilizational exchanges and mutual learning in the ancient times and modern times?
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