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Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.       Computers are helpful (1)                         many ways. First, they are fast. They canwork with information even (2)                                   quickly than a person. Second, computerscan work with a lot of information at the same time. Third, they can (3)                  information for a long time. They do not forget things that the common people do. (4)                       , computers are almost always correct. They are not perfect, but theyusually do not (5)             mistakes.       Recently, it is important (6)                                  about computers. There are a number ofthings to learn. Some companies have (7)                                at work. In addition, mostdiversities (8)                                day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can (9)                                   with computers. You may not be an expert, but you can have (10)                        . Computers are helpful (1)                         many ways. First, they are fast.  
Read, then choose the best answer (A, B, c or D) to complete the gap.       The next generation of telephone users will probably laugh (1)                          weexplain how we used to stand next to a wall in the kitchen to (2)                                 a phone call. Mobile communications, already highly advanced compared with a decade ago, will completely change communications in the next few years.       (3)                                      there are millions of people using mobile phones, most people know(4)            aboutthe mobile telecommunications industry and its technology.There are three types of mobile phone. These are hand portables, pocket-sized hand portables and transportables. The smallest and most popular are the pocket-sizedhand portables. These work on rechargeable batteries, which allow an (5)             ofup to 80 minutes’ conversation. Mobiles that are fitted permanently in a vehicle donot (6)               on separate batteries. They require an external aerial on the vehicle.This can mean a stronger signal with clearer (7)        . Transportables have a highpower capability and can be used (8)                                  anywhere.They come with powerfulbattery packs for longer, continuous use and may also be put (9)         a vehicle,using its electrics. They ( 10)                to be bulkier than hand portables. The next generation of telephone users will probably laugh (1)                          weexplain how we used to stand next to a wall in the kitchen to (2)                                 a phone call.