第5题: [单项选择]女,42岁,人工流产术后2年,阴道断续流血6月余,近日出现咳血丝痰。血β-hCG为13000U/L,胸部X线片示肺部多个结节。首选的治疗方法是() A. 子宫切除术 B. 肺叶切除+子宫切除术 C. 肺叶切除术 D. 化学治疗甲氨蝶呤 E. 放射治疗 参考答案:D 答案解析:根据题中所给条件,应当诊断为绒毛膜上皮癌。绒毛膜上皮癌简称绒癌,是一种高度恶性的滋养细胞肿瘤。病变可造成局部严重破坏,并转移至全身,致病人迅速死亡。绒癌治疗以化学治疗为主,化学治疗进展很快,药物繁多,
第27题: [单项选择]Why did Mr. Bell feel very tired after returning home( ). A. He visited too many places in a hurry. B. His holiday was not long enough for him to travel in Europe. C. He was on the train or on a bus all day long during his holiday. 参考答案:C