D. Seattle 查看完整题目与答案 What does “descend on” mean in this video clip? A. 下降 B. 遗传 C. 突袭 D. 突然访问 查看完整题目与答案 To keep the grid from crashing down, people rely on repair workers. A. 对 B. 错 查看完整题目与答案 What were the conseq...