【判断题】可以在实验室内喝水、吃东西。饮食用具不要带进实验室,以防毒物污染,离开实验室及饭前要冼净双手。
【多选题】软件产品和硬件产品的主要区别体现在以下方面( )
【简答题】完形填空。 Do you usually go to the supermarket for shopping? Now many people like buying things in the supermarket. So supermarkets are quite 1 with people. Some people will make shopping 2 first at home ...
【单选题】按照动作要领,经过练习形成运动技能的记忆就是( )