第5题: [单项选择]A. She has to look after two naughty boys. B. She does housework besides babysitting. C. She has got training and certification. D. She has to pay college tuition and living costs. 参考答案:B 答案解析:[解析] Q: Why does the woman’s mother think sht should increase her pay rate
第7题: [单项选择]In campus-based programs, the retirees ______. A. are organized to tour around colleges B. take similar courses as college students C. go to classes together with college students D. are allowed to get low marks in exams 参考答案:B 答案解析:[定位] 根据题干campus-based programs定位到原文第三段第二句。[解析] 参与者可以学习大学水平的课程，B)与之相符。[避错指导] 与大学生的课程相似不等同于与之一起上课，故排除C
第13题: [多项选择]依据《中华人民共和国海洋环境保护法》，关于海洋生态保护，下列说法正确的有（）。 A. 限制毁坏海岸防护设施、沿海防护林、沿海城镇园林和绿地 B. 新建、改建、扩建海水养殖场，应当进行环境影响评价 C. 国家级海洋自然保护区的建立，须经国务院批准 D. 引进海洋动植物物种，应当进行科学论证，避免对海洋生态系统造成危害 参考答案:B, C, D 答案解析:选项A的正确答案是：禁止毁坏海岸防护设施、沿海防护林、沿海城镇园林和绿地。
