【简答题】EMB ( Eosin Methylene Blue )培养基常用于检查、鉴别饮用水、牛奶中的( ) 。
【多选题】以下岩石结构命名中,属于变晶结构命名的是
【单选题】Our school held an activity called 'Recommend Books to You Teachers'. The students made a _______ of 1, 000 books. [ ]
【单选题】The students made a big __ as they left the school.
【简答题】The students made a list of their (complain) about school meals.
【单选题】花粉外壁和内壁差别之一在于外壁含有( )。
【单选题】花粉外壁和内壁的差别之一在于外壁含有( )。