1. 眼睛盯着手机，我走上马路，差点被一辆经过的汽车撞倒。

1. （1） my smart phone, I stepped into the road and was almost knocked by a passing car. (with复合结构)
3. （2） my smart phone, I stepped into the road and was almost knocked by a passing car. (独立主格结构)