This is ________ book I borrowed yesterday. Isn't it ________ interesting one?
A:the; the
B:the; a
C:a; the
D:the; an
计算 的结果为____.
某实验小组按照如图1所示的装置对高中学生实验进行连续探究或验证:实验一“探究小车做匀变速直线运动规律”、实验二“验证牛顿第二定律”、实验三“探究小车受到的合力的功与动能变化的关系”.