第2题: [单项选择]_______little boy likes to read stories about heroes and wishes to be_______ hero like Dong Cunrui. A. The; the B. The;/ C. The; a D. A;/ 参考答案:C 答案解析:[解析]本题考查冠词的用法。根据本句句意:那个小男孩喜欢读有关英雄的故事,并希望自己成为一个向董存瑞那样的英雄。The表示特指,a表示泛指。故本题答案为C。
第7题: [单项选择]男,35岁,右膝关节内侧疼痛,肿胀半年,曾在外院摄X线片,见右胫骨上端内侧有一5cm×4cm大小透光区,中间有肥皂泡沫阴影,骨端膨大。近1个月来肿胀明显加重,夜间疼痛难忍,右膝关节活动受限。入院后X线摄片示胫骨上端病变扩大,肥皂泡沫阴影消失,呈云雾状阴影,病变侵入软组织。该患者最可能的诊断是() A. 骨肉瘤 B. 骨软骨瘤恶变 C. 骨囊肿 D. 骨纤维肉瘤 E. 骨巨细胞瘤恶变 参考答案:E
第15题: [单项选择]______, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor. A. Other things being equal B. Were other things equal C. To be equal to other things D. Other things to be equal 参考答案:A 答案解析:从结构上分析,此处应为“名词+分词,后有逗号”构成独立结构作状语。