I don't think it's useful to test the bridge by surprise. It really has something to do with finding Mrs. Gu ... I remember I didn't live alone when I was in the sixth grade in Jinqiao. I listen to English every day, and I do problems every day in Olympics. If I have to take a surprise test of the bridge, this is probably the cramming method. These questions are not the most difficult, just more difficult. Later, as a student, I got used to this kind of difficulty ... I especially liked English listening, and I trained in Jinqiao for one year. I thought it was enough. When I took the exam, I was still an idiot in speaking speed. Bridge used to only approve math scores and then admitted because it was too late to approve papers, so the Olympic math was still the focus. ...