单项选择题
Which of the following is wrong in Chinese business dinner? A、The hosts serve the guests cups of tea B、The hosts usually wait and welcome the guests at the table C、The hosts invite the guests to sit in the right seats D、Remember to sit down from the left of the seat
多项选择题 驯鹿号称四不像，它们又像又不像四种动物，以下属于四种动物之列的是:
问答题 当气温比地温 [填空(1)] (高、低) [填空(2)] OC有利于插穗的愈合生根。
单项选择题 种子类药物用火炒的目的是( )A. 缓和药性,用于轻型患者B. 减少副作用,增强疗效C. 增加止血作用D. 改变药性,适应临床需要E. 使药物有效成分易于煎出
