触机体的环境污染物透过生物膜的生物转运过程,主要分为()、()和()三种形式。
Which two statements are true?() [" An inner class may be declared as static."," An anonymous inner class can be declared as public."," An anonymous inner class can be declared as private."," An anonymous inner class can extend an abstract class."," An anonymous inner class can be declared as protected."]
成本分析的基本方法有()。 ["比较法","因素分析法","比率法","事先控制法","差额计算法"]
选中表格中的某一行,单击常用工具栏上的插入行按钮,默认的插入位置是()。 ["当前行前面","当前行后面","表格的末尾","表格的第一行前"]
泰勒认为,在课程编制中,编制者必须回答四个问题,它们是:(),提供哪些教育经验才能实现这些目标,(),()。
变性淀粉软糖工艺操作关键是什么?