总体均数置信区间的宽度取决于（）。
A.置信水平
B.标准差
C.标准误
D.置信水平、标准差和样本含量
E.样本含量
参考答案：D
A client with acute respiratory failure is intubated and placed on mechanical ventilation. Which intervention is most appropriate when suctioning the client
A. Insert the suction catheter while applying suction.B. Apply suction until all the secretions have been removed.C. Use the same catheter to first suction the mouth, then the endotraeheal tube.D. Preoxygenate with 100% oxygen before suctionin
按要求做题。
1．《青年近卫军》是我一直想买的一本长篇小说。（不改变意思，调换语序）
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2．这对了不起的父与子，真令人敬佩。（改成反问句）
