People will use robots in many fields (领域) in the future. In the _______, robots will do a lot of hard work for workers. And some work is too _______ for people to do, so to keep people safe (安全的), we use robots to do it. It’s important to have a robot in our life. I don’t know whether (是否) robots can _______ us. Look! Robots are everywhere.

In some restaurants, robots can give _______ instead (代替) of waiters (服务员). When people order the meals, the robots will keep them in mind and then _______ the food. In Japan, the service robots are becoming more and more popular. Because they are always _______ to help people in need.

In hospitals, robots are also in use. When people are ill and want to see the doctors, the robots can show them _______ to find the proper (合适的) doctors. After the doctor checks the patients (病人), the robots will tell the patients how to take the _______. If patients can’t move themselves, the robots can also _______ them. What a good helper!

In some schools, robots can work as teachers. They teach the students ________. And their classes are interesting, all of the students like their robot teachers.

In China, most families have only one kid. The kids often feel lonely and ________ when their parents aren’t at home. Don’t worry. Lovet can help them. It is a friendly robot which can make lonely ________ feel the love. It was invented by the Japanese in 2018.

Lovet not only looks like a kid, but also has many ________. It can talk, dance and sing. It can also help kids with ________ such as cleaning the desk and making the bed. When kids ________, Lovet becomes a “teacher”. It tells the kids to read ________ if they are in a low voice. When kids work out a problem correctly, Lovet will ________ them and give them a kiss. Kids like the lovely Lovet because it has human’s feelings. When ________ come for a visit, it will hide behind kids — it seems to be shy. That’s because Lovet doesn’t know the strangers.

Why is Lovet so clever? Because scientists ________ a CPU (中央处理器) in its body. The CPU is so powerful that Lovet has the ________ power of an 8-year-old child. No wonder it can do the same thing as kids do.

In recent years, with more and more cars on the road, flying robots are used to deliver (递送) mails. Flying robots can _________ mails to people’s houses without having to deal with heavy _________. But they will spend too much time in returning. A research center is trying to improve its flying robots with the _________ of homing pigeons (信鸽).

Homing pigeons are pigeons that are _________ trained to fly home from somewhere else. In tests, researchers _________ that homing pigeons were _________ efficient (高效的) than flying robots at returning to their home. So the research center is trying to use a flying robot, together with a _________, to deliver mails. After the robot finishes its tasks, it can _________ the pigeon back in the shortest possible time.

Although it will cost more money to _________ pigeons, the research center says that it can __________ time. And the time it saves will make up for the cost.