使用Windows 2000“资源管理器”工具栏上的()按钮会将操作对象删除,并存放到剪切板上。 ["删除","复制","粘贴","剪切"]
英国与英联邦是一回事吗?
Which of the fire extinguishers listed is to be weighed annually and sent ashore for recharging if the weight loss exceeds 10% of the weight of a full charge?() ["Foam","Soda acid","Dry chemical","Carbon dioxide"]
质和属性的区别在于() ["质是客观存在的,属性是人的主观感受","质是稳定的,属性是多变的","质是绝对的,属性是相对的","质是事物的内在规定,属性是质的外在表现"]
已知反竞争性抑制剂的浓度[I]=2Ki,底物浓度[S]=5Km,则根据米氏方程计算出的反应速率v等于:() ["3\/8Vm","5\/8Vm","3\/16Vm","5\/16Vm"]
为什么说荷兰是世界上最大的花卉市场?