关于双腔气管插管的叙述，错误的是（）。
A.双腔气管内插管的目的是将两肺分隔开进行控制通气
B.一般推荐双腔管的分支管插入手术侧的主支气管
C.Carlen管是带有隆突钩的双腔管
D.Robertshaw双腔管插入后，如果双腔通气时仅有一侧存在呼吸音，说明双腔导管插入太深
E.Carlen双腔管F39号及F37号其1个腔内径分别相当普通气管导管F30及F28
参考答案：B
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| Tolstoy, the great Russian writer, liked to walk about in a railway station near his home. One day when he was walking up and down as 1 , looking at people getting on and off the 2 , he heard a lady 3 after him, "Hey, you old fellow, go and bring back my handbag in the 4 room which I 5 there." Tolstoy 6 there. He 7 the bag up and walked quickly along the platform. At the same time the lady was waiting beside the carriage, looking 8 . When at last the old man gave the bag back to her, she opened it to 9 sure nothing was 10 .""Good, old man." said the woman. "You are just as quick as I can expect. Here you are."She gave a copper coin to him. Tolstoy 11 the coin and put it into his pocket with a smile. But the woman was very 12 when she heard he was Tolstoy, the author of the great novel WAR AND PEACE. She returned to Tolstoy and said,"Oh, excuse me... Oh, how silly I was to 13 you as a porter. Please throw back that coin if you forgive me." "Oh, madam, why? You have done 14 wrong." Tolstoy laughed."The coin is given for my work, so I 'll 15 it. Thank you, madam!" | ||||
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