第14题: [单项选择]消化性溃疡的最常见合并症是 A. 幽门狭窄 B. 穿孔 C. 癌变 D. 出血 E. 黏膜萎缩 参考答案:D 答案解析:[解题思路] 消化性溃疡的最常见合并症是出血、幽门狭窄、穿孔和癌变。
[命题规律] 考察“消化性溃疡的合并症”。必须掌握。
[错误陷阱] 黏膜萎缩不是消化性溃疡的合并症。
第16题: [单项选择]What does the man mean [A] He wants to sell his car. [B] He won’t sell his car. [C] He likes his car. 参考答案:A 答案解析:[听力原文] W: I hear that you are going to sell your car. M: Yes. It looks good, but it doesn’t wo
第17题: [多项选择]托盘的优点为( )。 A. 成本低、自重小 B. 返空容易 C. 装盘容易 D. 装载量适宜,组合量较大 E. 可节省包装材料,降低包装成本 参考答案:A,B,C,D,E