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【单选题】
(126～127题共用备选答案)A.
根尖病变中央细胞坏死液化，形成脓液，围有密集的淋巴细胞和浆细胞浸润
B.
根尖病变内大量中性粒细胞渗出，局部组织坏死液化，脓肿形成
C.
牙髓组织中出现大小不等的泡状间隙，其中充满液体，牙髓细胞减少
D.
牙髓血管扩张充血，液体成分渗出，组织水肿
E.
根尖病变以淋巴细胞、浆细胞和巨噬细胞(泡沫细胞)浸润、血管内皮细胞和成纤维细胞增生为特征 灶性可逆性牙髓炎的病理表现为
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【简答题】A．File idea occurred to him when he went shopping yesterday. B．He got the idea when he was on his way back yesterday. C．He had the idea when he was lying in bed last night. D．He got the idea on his wa...
【单选题】When Tom was very young, he was terribly frightened of snakes, but he soon ______ it.
A.
got over
B.
got across
C.
got through
D.
got off
【单选题】No sooner ____ to the cinema ____ the film began. [ ]
A.
had he got, than
B.
he had got, when
C.
did he get, than
D.
had he got, when
【简答题】炉衬的破损原因主要有（）、急冷急热、机械冲撞、化学侵蚀等几方面作用。
【简答题】炉衬的破损原因主要有高温热流的作用、（）、机械冲撞的作用、化学侵蚀等几方面作用。
【简答题】炉衬的破损原因主要有高温热流的作用、急冷急热的作用、（）、化学侵蚀等几方面作用。
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