Computers The goal of early calculating machines was to ___ 1 (simple) difficult sums. But with the help of new technology, electronic chips replaced tubes and a revolution of artificial intelligence has arisen. From then on, __ 2 appearance of computers totally changed our lives. They can not only download information from the wet when __ 3 ( connect) by the network or mobile phone signals, but also solve different ___ 4 (type) of logical problems. With operators as their coaches, they can even control rockets ___ 5 (explore) the moon and instruct androids with the human race’s characters to mop floors and watch over your naughty niece. Anyhow, computers are so helpful ___ 6 they do bring happiness. ___ 7__ , computers are easily attacked by viruses. This reality __ 8 (become) a hard-to-deal with-problem. As a result, computers are dangerous ___ 9 a way. So, personally, I worry about ____ 10 universal applications in some fields, such as finance. 9. Wildlife Protection Dinosaurs died out because of ___1 1 unexpected incident. But wildlife today disappears or is in danger just __1 2 humans do harm to it. For example, tigers are hunted for fur to make carpets so that they can only live in secure reserves; grassland __1 3 (destroy) without mercy so that dust storms come into being affecting distant cities. Last year, scientists saw some monkeys ___1 4 ( rub) themselves with a certain kind of insects to protect themselves ___1 5 fierce mosquitoes biting. According to the result of the inspection, they found that the insect contains a ___1 6 ( power) drug, so local farmers were employed to catch the insects. The ending was ___1 7__ the insects disappeared from the whole zone. When __1 8 (tell) that it was a loss to humans, the farmers burst into laughter and responded, “___1 9 real loss is our decreasing income.” We should appreciate the natural balance and pay more attention to the importance of wildlife protection. Not ____2 0 we succeed in letting wildlife live in peace, can we smile in relief.