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）
阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
A
In the early 1990s,the word” Internet” was strange to most people. But today, Internet has become a useful tool for people all over the world. Maybe Internet has been the greatest invention in the field of communication in the history of mankind（人类）
