⑴What is Tom doing ?  ____                                      A、Follow the rules .

⑵Are they going to watch films next week ?____      B、By bus .

⑶Do you want to visit Shanghai or Nanjing ?____    C、He is flying kites .

⑷When will Miss Li go to Hai nan ?____                    D、No . They are going to play basketball .

⑸How long did you stay in China ?____                    E、Because it must wait for the man .

⑹Let's cross the street now .____                              F、Next week .

⑺What would you like ?____                                     G、I want to visit Shanghai .

⑻Why does the car stop ?____                                 H、We stayed there for three weeks .

⑼How can you get to the zoo ? ____                        I、Ok . Let's go .

⑽What must I do for the traffic ? ____                     J、A few eggs .

如表是19世纪六七十年代俄国机器制造业统计表，导致其变化的主要原因是俄国（　　）