【简答题】言语通常分为( )言语和( )言语两大类。
【单选题】You will be expected to practise at home and know by heart _________ you have learned today next time you come to class. [ ]
【单选题】( )蛋白质可用于维持生命,但是不能促进生长发育。
【判断题】转换离散度越大,目标地物与背景分离性越好
【单选题】You have learned the poem by heart all right, but it doesn’t ____ mean that you have fully understood its meaning.