第33题: [单项选择]According to the passage, which of the following statements is TRUE A. Only small countries adopt the unitary system. B. Unitary states all have uniform culture. C. Multinational states can be unitary states. D. The federal system is more suitable for communist states. 参考答案:C
第34题: [单项选择]COPD患者肺功能回报:FEV1/FVC<56%,FEV1/预计值:45%,该患者按COPD严重程度分级属于() A. 轻度COPD B. 中度COPD C. 重度COPD D. 极重度COPD E. COPD高危因素 参考答案:C