第6题: [单项选择]GU与溃疡型胃癌的X线表现最主要区别是() A. 胃壁软硬程度 B. 黏膜皱襞中断 C. 周围有无结节状 D. 溃疡直径是否大于2.5cm E. 溃疡是否位于胃轮廓之内 参考答案:E 答案解析:X线钡餐检查良性溃疡示襞光滑,位于胃腔轮廓之外,龛影周围襞柔软,可呈现聚合征。恶性溃疡边缘不整齐,位于胃腔轮廓之内,龛影周围胃襞强直,呈结节状,向溃疡聚集的皱襞有融合中断现象。
第35题: [单项选择]Questions 9 to 11 are based on the conversation you have just heard A. Safety B. Size C. Comfort D. Cost 参考答案:D 答案解析:What is the woman’s main consideration in hiring a car
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