根据材料回答题:肺动脉高压时,临床出现差异性紫绀的是

根据材料回答题:肺动脉高压时,临床出现差异性紫绀的是

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The two roads meet _________a market lies.

The two roads meet _________a market lies. A.[ A ] at the place B.[ B ] where  ☆

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He told me that I _________ be present at the meeting.

He told me that I _________ be present at the meeting. A.[ A ] should B.[ B ] mi

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磨牙后垫

磨牙后垫 A.为磨牙区后部的软组织垫 B.为覆盖磨牙后三角的软组织垫 C.为覆盖上颌第三磨牙后方的软组织垫 D.其深面为翼下颌韧带 E.为覆盖磨牙后三角的脂肪垫

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