题目

Miss Liu said ______ she would leave the message on the headmaster's desk. A . what B . which C . where D . that 答案:D在还原糖、脂肪、蛋白质的检测实验中,最佳的一组实验材料是( )①甘蔗的茎 ②油菜籽 ③花生种子 ④梨 ⑤甜菜的块根 ⑥豆浆 ⑦鸡蛋清A.④②⑥ B.④③⑥ C.①②⑤ D.⑤②⑦
英语 试题推荐