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中心静脉压(CVP)测定术适应证

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血液从血库发出时必须记录发出的时间。()

【B15】

A. interpret
B. understand
C. know
D. judge

Why do salmon appear at the base of the Bonneville Dam?

A. Because they are bred there.
Because they need swim upstream to multiply.
C. Because they were brought there by flood.
D. Because people farm salmon in this river for its delicious taste.

胆脂瘤型中耳炎可发生鼓膜____或____穿孔,脓臭,并带有____。乳突X片可显示鼓隐窝、____和____有边缘整齐的圆形透光区。

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