第26题: [单项选择]颌骨良性肿瘤的主要X线表现为 A. 骨质破坏 B. 有骨膜反应 C. 边界清晰 D. 有空腔形成 E. 有虫蚀样破坏 参考答案:C
第27题: [单项选择]What should you do if you are making changes to your houseA. Check 700 plans to build new buildings.B. Think carefully about those living near you.C. Give enough details to the people next door. 参考答案:B 答案解析:[解析] 根据文章第三个标题可知,在做一些改变之前要先考虑一下其他住户。故本题答案为B。