第19题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. At a concert. B. At an art gallery. C. At a flower shop. D. At a restaurant. 参考答案:D 答案解析:[听力原文]
W: The music and the flowers are lovely.
M: Yes. I hope that the food is good.
Q: Where di
第20题: [单项选择]烤瓷熔附金属全冠在前牙切端至少应预备 A. 2.5mm B. 1.0~1.5mm C. 2mm D. 3mm E. 0.5~1.0mm 参考答案:C