Service robot superstars shine at conference，aim to make life easier

    At the 2017 World Robot Conference, service robots were the stars．They work most closely with people．They help to do different jobs in daily life．

    Teotronice

    Teotronice is a music teacher．He looks like the famous ET, but his 53 fingers make him play the piano well．He played John Lennon's song Imagine at the conference．

    The supermarket robot

    Are you tired of shopping in the supermarket? Now，it becomes much easier with the help of the robot．You just talk to it，and then it will lead you to the things you need to buy．You can also use the robot to pay for your items．

    Bestic

    Bestic acts as a human arm to feed people with a spoon．This robot can be a good helper for kids，the elderly and those with difficulty using their hands．

你听说过一头叫Alice的鲸鱼（whale）吗？它被称为世界上最孤独的鲸，原因是这只鲸说话的频率有52赫兹，而正常鲸的频率只有15～25赫兹，所以说话的时候没有人听见，难过的时候也没有人理睬。请你根据下列描述，写一篇关于她的小短文。

1）人们在1989年首次发现了Alice, 它长39英尺。

2）人们很惊奇地发现Alice用不同于其他鲸鱼的频率(HZ)说话。

3）没有鲸鱼能听到Alice说话, 它找不到它的家人和朋友。

4）Alice独自游过了太平洋 (the Pacific Ocean)。幸运的是，Alice看起来很健康。

5）但是人们在2004年失去了Alice的消息，我…….