第一节 （共8小题;每小题2分，满分16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
Steve and Yaser first met in their chemistry class at an American university. Yaser was an international student from Jordan. He wanted to learn more about American culture and hoped that he and Steve would become good friends. At first, Steve seemed very friendly.
