老师：Hello, boys and girls. Welcome to my class. I miss you from Nanjing No. 1 Middle School. Today we are going to learn Unit 3, robots task. In this unit, we talked a lot about robots. So if you are creative enough to invent your own robot, what is your ideal robot like? I believe different people may have different ideas.
老师：You see, Daniel has fielding a questionnaire at a robot shop. He expects his robot's batteries to last for two months. That is the robust power. He thinks his robot should work 24 hours a day. This is the working hour. He wants his robot to help him with his homework. This is the type of work. And last, he thinks his robot should only need checking every six months. This is the quality. Okay, then what else should we care about? Maybe price, function, brand and so on.
老师：However, Daniel's robot has stopped working. So he decided to write a complaint letter. Let's help him complete the letter. Dear sir or Madam, robot model number Hugo, 1,2, three, BB. Two weeks ago, I bought a robot from your shop. However, I am not satisfied with it at all. First of all, I am unhappy with its batteries. They last for one week at most, so I have to change them often. I think they should last for at least two months. I think a robot should work 24 hours a day. And I want my robot to help me with my homework. However, this robot is very lazy. I need to give it instructions all the time. Otherwise, I need to do everything myself.
老师：The quality of this robot is not up to standard either. A good robot should only need checking every six months. My robot has already stopped working completely. I do not know what is wrong with it. I regret having bought a robot like this. I would like to get my money back. Yours faithfully, Daniel Chen. Here you can underline some useful expressions.
老师：After reading Daniel's letter, let's complete the form.
老师：Name of customer, Daniel Chen. Robot model number, Hugo, 1,2,3, BB. When did he or she buy? Two weeks ago. And Daniel is unhappy with its power.
老师：Working hours and type of work. Quality and checking, next. As for power, Daniel's ideal robot, last for at least two months. Daniel's robot last for one week at most. How to deal with it? Have to change them often. As for working hours and type of work, Daniel's ideal robot, 24 hours a day. And help with homework.
老师：Daniel's robot, lazy. Give it instructions all the time. How to deal with it? Need to do everything himself. And about quality and checking, Daniel's ideal robot, need checking every six months. Daniel's robot, not up to standard, has stopped working completely. So how will Daniel deal with his robot?
老师：He regretted having bought it, so he will return it to the shop and get his money back. And how does Daniel feel? Maybe he feels un
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