第4题: [单项选择]消化性溃疡活动时,下列说法错误的是()。 A. 疼痛可放射至背部 B. 疼痛性质不一,常为持续性钝痛、灼痛、饥饿痛 C. 疼痛可呈慢性、节律性、周期性特点 D. 少数胃溃疡可癌变 E. 并发大出血后,疼痛常加剧 参考答案:E 答案解析:消化性溃疡时可能由于盐酸等化学物质或食糜的刺激,使病灶处的黏膜受体感知疼痛。当溃疡并发出血后,血液形成的膜覆盖于病灶,加上血液对胃酸的中和作用等原因,减少了对黏膜受体的刺激,其疼痛较出血前减轻或消失。
第32题: [单项选择]He does not ______ his workmates and there are often disagreements between them. A. put up with B. keep up with C. go with D. get well along with 参考答案:D 答案解析:get well along with“相处得好”,put up with“忍受、忍耐”,keep up with “跟上”,go with“相配、协调”,根据句意,选项D正确。