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患者，男，21岁。在某施工工地干活时不慎绊倒，造成右颊部贯通伤，出血较多。此类创伤的治疗原则是A、止血镇痛 B、抗感染及全身支持疗法 C、清创缝合时避免神经、血管损伤 D、减少畸形、恢复面型 E、尽量关闭创口，消灭创面 如果没有组织缺损或缺损较少，应采取的措施是A、清创后将口腔黏膜、肌肉和皮肤分层缝合 B、清创后将口腔黏膜与皮肤相对缝合，消灭创面 C、清创后严密缝合皮肤与肌层，黏膜侧放引流物 D、清创后皮瓣转移，修复创口 E、清创后两侧拉拢缝合 如果口腔黏膜无缺损，而皮肤缺损较多，应采取的措施是A、口腔黏膜与皮肤相对缝合，消灭创面 B、严密缝合口腔黏膜，皮肤缺损行皮瓣转移或游离植皮 C、严密缝合口腔黏膜，设法拉拢缝合皮肤层 D、严密缝合口腔黏膜，皮肤缺损处覆盖敷料，加压包扎 E、严密缝合口腔黏膜，皮肤缺损暂不处理
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【单选题】听力原文： Many egg-laying animals merely lay their eggs and leave. Turtles for instance, leave their eggs to hatch on their own. The current theory about birds is that the earliest birds did just that whe...
A.
Their flying ability improved greatly.
B.
They became warm-blooded.
C.
They began to lay eggs.
D.
They changed their migration patterns.
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
human activities have changed the way turtles survive
B.
efforts have been made to protect turtles from dying out
C.
government bureaucracy has contributed to turtles' extinction
D.
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A.
金刚石和石墨均由碳原子构成，但因为原子的空间排列不同，前者比后者坚硬得多
B.
三个臭皮匠赛过诸葛亮
C.
田忌与齐威王赛马，因调整三匹马的出赛顺序，稳操胜券
D.
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【单选题】听力原文： Many egg-laying animals merely lay their eggs and leave. Turtles, for instance, and horseshoe crabs, the eggs hatched and the little ones are their own. The current theory about birds is the ear...
A.
Their flying ability improved greatly.
B.
They became warm-blooded.
C.
They began to lay eggs.
D.
They changed their migration patterns.
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