第34题: [单项选择]对口腔科医生最危险的是() A. 疱疹 B. 结核 C. 流感 D. 乙肝 E. 梅毒 参考答案:D
第35题: [单项选择]Evidence came up ______ specific speech sounds are recognized by babies as young as six months old. A. what B. which C. that D. / 参考答案:C 答案解析:[分析] 本题要用that引出的同位语从句说明evidence的内容。句意为:已有证据表明,六个月的婴孩就能辨认出具体的言语声音。