第17题: [单项选择]Dogs are not permitted into the office. A. probably B. possible C. admitted D. allowed 参考答案:D 答案解析:[解析] 该句含义:“狗不许进入办公室。”permit和allow是应该掌握的基本词汇,都表示“允许”。
第20题: [单项选择]They make better use of the time they have, and they are less likely to succumb to fatigue in stressful jobs. A. sustain B. yield C. endure D. expose 参考答案:B 答案解析:succumb屈服;sustain支持,持续;yield屈服;endure忍耐;expose使暴露。