第7题: [单项选择](More and more) old people whose (grown-up children) pay little attention to them (gathered) together and organize (interesting activities) for themselves. A. More and more B. grown-up children C. gathered D. interesting activities 参考答案:C 答案解析:应改为gather,整个句子都为现在时态。
第8题: [填空题]Compared with the rare school killings, children are more likely to be killed in the streets or in their homes because of ______ that begun in the mid-1980s. 参考答案:crack cocaine epidemic 答案解析:从文章第十七段中可找到答案。
第9题: [单项选择]诊断肺癌主要依靠的是() A. 咳嗽,痰中带血 B. 消瘦,胸腔积液 C. 胸部X线检查 D. 胸部CT检查 E. 痰细胞学或纤维支气管镜检查 参考答案:E
第10题: [单项选择]患者男性,46岁,昨日与朋友聚会饮酒后,于睡前将火炉移入卧室内取暖,清晨邻居发现其昏睡不醒,地面有大量呕吐物,急送医院,查体:血压90/50mmHg,体温38.1℃,呼吸24次/分,心率102次/分,面色苍白,口唇呈樱桃红色。患者经抢救清醒后好转,立即要求出院,出院3天后突然出现癫痫症状,导致患者癫痫发生的原因是() A. 药物过量中毒 B. 迟发性脑病 C. 脑血栓形成 D. 短暂性脑缺血 E. 脑出血 参考答案:B