第5题: [单项选择]The biggest problem with the computer is that A. it is difficult for her to know the program well B. it regularly stops working. C. the monitor is too small. 参考答案:B 答案解析:[听力原文]23-30 A: Come in Sharon end take a seat. B: Thanks. A: so, where do we start Should w
第6题: [单项选择]白塞病属于(). A. 自身免疫病 B. 感染性疾病 C. 传染性疾病 D. 变态反应性疾病 E. 遗传性疾病 参考答案:D