【单选题】The police set a_______ to catch the thieves.
【判断题】激素母液浓度不可过高,否则激素会结晶析出,影响配制精确度
【单选题】The police set a_______ to catch the thieves.
【简答题】The police set a ________ to catch the thieves. A) plan B) device C) trap D) trick
【简答题】人的感觉印象 % 来自眼睛, % 来自耳朵, % 来自其他器官。
【单选题】The police set a______ to catch the thieves.
【单选题】The police set a ____ to catch the thieves.