If you pay a visit to Liu Hasheng’s restaurant in Harbin, you will find 18     38     there. They are ready to serve you and make sure that your dining experience is perfect. After the visit, you can tell others that the robots serving customers isn’t a dream     39     more.

It’s wonderful to see how the 18 robots work in the restaurant. The wonder starts when you walk in. You’ll see a robot come up and say, “Earth person, hello! Welcome     40     the Robot Restaurant.” When you have ordered your     41    , the robots in the kitchen begin to do the cooking. After the food is prepared, a robot waiter will glide (滑行) out of the kitchen to serve you with the meal you’ve ordered. And as customers enjoy their     42     food, a robot sings lovely songs for them.

You may ask, “Where did all these robots come from?” Liu said they were designed and     43     by the Harbin Haohai Robot Company. Liu said he invested (投资) 5 million yuan in the restaurant, with each robot costing 200,000 yuan to 300,000 yuan. And the wonderful robot team is managed by the workers in the computer room.

After a busy day, all the robots will go for a “meal”,     44     is electricity. After 5 hours, the robot can continue their work for a day. The restaurant now provides a menu     45     more than 30 dishes, and the average (平均) cost for a dinner is about 40 to 50 yuan. Do you want to go and have a try in this restaurant?