第2题: [单项选择]关于NSAID导致消化性溃疡的叙述,错误的是 A. 服用NSAID患者约10%~25%发生消化性溃疡 B. NSAID引起的消化性溃疡中胃溃疡比十二指肠溃疡多见 C. NSAID的致病主要是通过细胞毒作用而造成胃粘膜的局部损害 D. NSAID可抑制环氧合酶 参考答案:C 答案解析:非甾体抗炎药(NSAID)可通过破坏胃粘膜屏障使粘膜防御和修复功能受损而导致消化性溃疡,损害作用包括局部作用和系统作用两个方面。高浓度的NSAID在胃内酸性环境下呈非离子状态,可透过细胞膜弥散入粘膜上
第8题: [单项选择]So involved with their computers ______ that leaders at summer computer camps often have to force them to break for sports and games. A. became the children B. become the children C. had the children become D. do the children become 参考答案:D 答案解析:do the children become是倒装形式,因为so在句子开头,所以要采用倒装。正常语序应为:The children become so involved with their comp
第9题:[单选题](1分)单选题 1 心律绝对不规则,第一心音强弱不等,脉率少于心率的心律失常,见于 A. 心律不齐 B. 期前收缩 C. 逸搏性心律失常 D. 心房颤动 E. 心室颤动 参考答案:D