【单选题】May I speak to Xiaofang? ______,please. I am going to ask her to come.
【单选题】—May I speak to Mary? —________. I'll call her at once. [ ]
【单选题】丁二酮(C 4 H 6 O 2 )可用作糖果增香剂。下列关于丁二酮的说法中正确的是
【简答题】下列关于丁香的说法正确的是( )A 来源于桃金娘科植物B略成研棒状C质坚实,富油性D气芳香浓烈,味辛辣,有麻舌感A. 1 B. 1 C. 1 D. 1
【单选题】The head nurse ______ to call the doctor.
【简答题】家庭体育的基本特征是人际关系的();();()、差异性。