【判断题】In western culture, if you are the one being toasted, just listen quietyly to the toast and then say a quick thank-you. Do not put your hand on your glass, much less drink.
【简答题】If you want to get the attention of a waiter of salesperson, put your hand out in front of you, palm down, and wave it up and down.Don’t confuse this with the gesture for “No”, which is to wave your r...
【单选题】碳谱如果不采用去耦技术进行测定,很难解析的原因是:
【简答题】读我国能源生产和消费构成示意图,回答1—3题。 1、关于我国2008年前8个月能源生产与消费的叙述正确的是 [ ] A、我国能源生产与消费基本持平 B、石油需要大量进口 C、我国进口的能源只有石油 D、我国与世界能源消费结构相同 2、下列措施,不利于我国能源安全的是 [ ] A、加强能源资源勘探与开发,因地制宜地发展新能源 B、提高能源利用率,控制新建高耗能企业数量 C、建立跨区域...
【简答题】Translation: Situation 2: You put a pot (壶) of water on the stove (炉子) for some hot chocolate. When it’s boiling (沸腾), you pour some in the cup, and some spills (溢出) on your hand. What do you do? Resp...
【判断题】挥发性醚浸出物的测定采用石油醚作为提取溶剂。
【判断题】凝集反应是颗粒性抗原与相应抗体结合而出现的肉眼可见的凝集