Music plays a very important role in our lives. It must have been that everyone knew that music came out so long ago. Music is considered as the elegant pleasures of ancient kings. Nowadays, everyone of all ages knows the music. Music is a popular source of entertainments. It makes people ease their sadness or brings happiness to them. Music is a beautiful picture about the life. It can link people through their feelings, thoughts and emotions. Music is always beside us when we are sad. It encourages us to overcome the stress, ease our paints and makes us happy.

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Computer is a modern tool which has made life very easy and simple. It has the capability to complete more than one task in small time. It is able to do work of many human beings alone within less time. It is the utility of highest efficiency. The first computer was a mechanical computer which was created by the Charles Babbage. A computer works successfully using its hardware and fully installed application software. Other accessories of the computer are keyboard, mouse, printer, CPU and UPS. The data which we put into the computer using device is called input data and device as input device and data which we take outside using printer or the other device is called as output data and device as output device. The input data gets changed into the information which can be stored and changed anytime. Computer is very safe tool for data storage which is being used in various fields. We can shop, pay our electricity bill, water bill, video chat, messaging, e-mail messages anywhere in the world and lots of online activities using the internet.

1. B. have
2. B. and
3. B. at
4. D. them
5. A. to

1. B
2. B
3. B
4. D
5. A

The computer-one of the most marvellous (1) invention  in our modern age has proved to be extremely  (2) helpful  to man's life. A computer can not only solve the most complex math problems with lightning speed and prefect accurately, (3) but also gather the wide range of information  for various  purposes in many (4) fields. Nowadays, the computer always plays an (5) important  role that is unchangeable .

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With the development of science and technology, the advent of AI robots has changed people's lives. It has brought people enormous benefits. AI robots are present in all manufacturing sectors. There are many types of robots, and all of them are useful for humans. In life, a number of humanoid robots are brought into restaurants, hotels, to be receptionists, receive, chat, and express feelings, which have brought many benefits. Robots are also introduced into industrial production, with precision, compliance and improved labor quality. Now a lot of robots have been born, especially the birth of the sophia robot that has changed the world. gender will continue to grow. In short, AI robots in human life have played an important role. Hopefully they can continue to be developed by humans in the future