第一部分：阅读理解（共两节，满分40分）
第一节（共15小题：每小题2分，满分30分
A
I was driving from Harrisburg to Lewisburg last night, a distance of about eighty miles. It was late. Several times I got stuck behind a slow-moving truck on a narrow road with a solid white line on my left, and I was clinching (紧握）my fists with impatience.
