第9题: [单项选择]喉腔最狭窄的部位是() A. 声门裂 B. 声门下区 C. 喉室 D. 喉入口 E. 会厌 参考答案:A
第10题: [单项选择]California seems to be the home of the homeless since many are often observed tramping along railroad tracks and through the downtown areas of the cities. A. roaming B. trimming C. stealing D. stamping 参考答案:A 答案解析:[解析] tramping意为“流浪”。A项roaming“闲逛”符合题意,如:The visitors roamed around the town.(这些来访者在城里游逛。)其他三项trimmin