第15题: [单项选择]关于胸腔积液病因的描述,哪项是正确的 A. 药物过敏反应产生的胸腔积液是渗出液 B. 恶性肿瘤产生的胸腔积液可为渗出液,也可为漏出液 C. 老年患者胸腔积液的病因多为结缔组织病所致 D. 肺栓塞产生的胸腔积液为漏出液 参考答案:B
第16题: [单项选择]Jonathan Bishop believes that the Internet overuse problem can be
solved if people ______.
A. try to improve the Internet environment B. become aware of its serious consequences C. can realize what is important in life D. can reach a consensus on its definition 参考答案:C