【单选题】We offer __________ activities for students after class: sports and non-competitive games.
【单选题】Welcome to our hotel. There are 88 0 guest rooms in our hotel . Our hotel is in the center of the city and it is the biggest hotel here. We offer many kinds of services. Our room reservation number is...
【单选题】配制100ml2%盐酸普鲁卡因溶液,需加入多少克氯化钠使其成等渗(1%盐酸普鲁卡因水溶液的冰点下降度为0.12,1%的氯化钠水溶液的冰点下降度为0.58)
【简答题】Direction: Translate the following words or expressions related to trade fair into Chinese. 1. Welcome to our booth/stand. 2. Can I reserve a booth now? 3. Where should we set the exhibition? 4. China...