这本指南的第一页是学习编程的最佳起点。

The first page of this guide is the perfect ___starting point to learn programming.

比赛的起点设在山脚下的停车场。

The ___starting point of the race is set at the parking lot at the foot of the mountain.

我们可以把这份调查报告作为讨论的起点。

We can use this survey report as the ___starting point for our discussion.