一（共15小题;每小题2分，满分30分）
阅读下列短文，从每题所给的四个选项 （A 、B 、C和D）中，选出最佳选项。
A
A student is learning to speak British English. He wonders: Can I communicate with Americans? Can they understand me? Learners of English often ask: What are the differences between British and American English? How important are these differences?
