单项选择题 In the experiment, 10 ml 20% glucose was injected intravenously intorabbits, the urine volume increased significantly due to ( )

单项选择题 在散列存储中，装载因子α又称为装载系数，若用m表示散列表的长度，n表示待散列存储的元素的个数，则α等于n/mA.对B.错

多项选择题 Which constructions belong to the type of endocentric construction? A. just behind the back door B. sit just behind the back door C. behind the back door D. the back door