【单选题】Cities are always exciting, but for me, the _____________ is Barcelona.
【简答题】—I hate cities . The roads are dirty and they are always crowded. —Do you know the world’s population has grown to_________? more than six times what it was in 1800 six times more as what it was in 18...
【多选题】中药性味是药物性能的重要标志,药性,主要是寒热温凉四种,古时称为四气。五味指辛甘酸苦咸,不同的滋味与医疗作用之间有一定的内在联系。
具收敛固涩药物其味多为()