向母线充电时，必须投入有足够灵敏度、可快速切除故障的（）保护。 ["距离","母差","电流","电压"]
先天与后天的区分是一种（）区分。 ["认识论","语义学","性质","逻辑"]
The population of the earth（）increasing fast. ["is","are","were","have bee"]
最初提出先天知识的哲学家是（）。 ["苏格拉底","柏拉图","亚里士多德","黑格尔"]
农业法关于农产品流通的基本规定是什么？
伤残人士来餐厅用餐时应注意什么？
