Questions 13 to 15 are based on the conversation you have just heard.

单项选择题A．It is made according to real people.B．It assesses changes of properties.C．It involves different facial features.D．It is made of plastic material.

单项选择题A．When a customer needs an airplane to replace his own.B．When a customer needs some tools to mend the airplane.C．When a customer needs some ideas to upgrade his own.D．When a customer needs a car to pick up passengers.