必修一 unit 3 celebration单元测试 阅读理解 第一节(共15小题；每小题2分，满分30分) 阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。 A (2016·陕西西北九校模拟)The sun was shining brightly and the sky was a perfect shade of blue when two teenage boys walked past Leonard's house and said...