第8题: [单项选择]Passage OneA. To other European countries. B. To the remote areas and suburbs. C. To the natural parks for birds. D. Back to their nests. 参考答案:B 答案解析:[解析] Where will the birds head to when they leave the urban centers in Rome
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第9题: [单项选择]嗜铬细胞瘤的诊断试验中,下列哪项最有价值( ) A. 组织胺激发试验 B. 腹膜后空气造影 C. 酚妥拉明(Rigitin)试验 D. 铬胺试验 E. 测定24小时尿中肾上腺素及去甲肾上腺素总量。 参考答案:E