A. A mountain resort. B. A seaside resort. C. A desert. D. The outback of Australia. 参考答案:C 答案解析:[听力原文4-7] M: Well, Cynthia, our first semester at university is almost over. I can't wait for the
第29题: [单项选择]慢性阻塞性肺疾病的主要特征是() A. 大气道阻塞 B. 小气道阻塞 C. 双肺哮鸣音 D. 桶状胸 E. X线胸片示肺纹理增粗 参考答案:B