Computers cannot make mistakes. Stories have been heard sometimes about computers paying people too much money or sending them [1]_____ for things they didn’t buy. These mistakes ae made by the programs. Some years ago an American computer-controlled rocket went [2]____ and had to be destroyed. The accident has been caused by a small mistake in one line of the program, which [3]______ the USA 18 million dollars. Criminals have found that “computer [4]_____ are a lot easier than robbing a bank.” Hundreds of millions of dollars are stolen from businesses every year by people [8]______ the information in computers.
- reminders
- notes
- bills
- checks
FWIW, Intel once made a CPU chip that had a floating point math error. For most calculations, it would have meant no errors. However, for very complex programs, the computer would definitely make a mistake with that particular processor on board.
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CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
To many people, their friends are the most important things in their life. Really good friends [1]___ the good times and the bad times, help you when you have got problems and never turn their backs on you. Your best friend may be someone you have known all your life, someone you have grown up with and been through lots of [2]_____ and downs with. There are all sorts of things that can [3]______ about this special relationship. It may be the result of enjoying the same activities, having the outlook on life or sharing experiences. Most of us have met someone that we have immediately felt relaxed with as if we had known them for years. [4]_______, it really takes you years to get to know someone well enough to consider your best friend. To the majority of us, this is someone we trust completely and who understands us better [5]______ anyone else. It is the person you can turn to for impartial advice and a shoulder to cry on when life gets you down.
- give
- share
- spend
- have
Câu 2:
Surely there are now reasons why [1]____ book ought to be dead, or at least very badly injured. If so, why does it not show proper respect for these reportedly less literate times [2]_____ die out? There is clearly more than a single answer to this question. Firstly, we have more leisure time than we [3]______ to, and people are generally living longer, which means there is more time to do more [including reading books]. As [4]______ as this, there is the strength of the book as a tradition. We are all too dismissive of traditions in our modern world, but they can have very strong pull [5]_____ us.
- that
- this
- the
- a
Câu 3:
Wind, water, air, ice and heat all work to cause erosion. As the wind blows over the land, it often [1] ______ small grains of sand. When these grains of sand strike against solid rocks, the rocks are slowly worn away. In this way, even very hard rocks are worn away by the wind. When particles of rocks or soil became loosened in any way, running water carries them down the [3] ______. Some rocks and soil particles are carried into streams and then into the sea. Land that is covered with trees, grass and other plants wears away very slowly, and so loses very [4] ______ of its soil. The roots of plants help to [5] ______ the rocks and soil in place. Water that falls on grasslands runs away more slowly than water that falls on bare ground.
- leans out
- picks up
- carries out
- holds up
Câu 4:
It can take a long time to become successful in your chosen field, however talented you are. One thing you have to be aware of is that you will face criticism along the way. The world is full of people who would rather say something negative than positive. If you’ve made up your [1]______ to achieve a certain goal, such as writing a novel, don’t let the negative criticism of others prevent you from reaching your target, and let the constructive criticism have a positive effect on your work. If someone says you’re totally in the [2]_______ of talent, ignore them. That’s negative criticism. If, [3]________, someone advises you to revise your work and gives you a good reason for doing so, you should consider their suggestions carefully. There are many film stars who were once out of work . There are many famous novelists who made a complete mess of their first novel – or who didn’t, but had to keep on approaching hundreds of publishers before they could get it [4]_______. Being successful does depend on luck, to a certain extent. But things are more likely to [5]_______ well if you persevere and stay positive.
- thought
- mind
- idea
- brain
Câu 5:
Being successful does depend on luck, to a certain extent. But things are more likely to [5]_______ well if you persevere and stay positive.
- deal with
- turn out
- sail through
- come into
Câu 6:
Your best friend may be someone you have known all your life, someone you have grown up with and been through lots of [2]_____ and downs with.
- ups
- towards
- forwards
- backwards
Câu 7:
Why is it that many teenagers have the energy to play computer games until late at night but can't find the energy to get out of bed [1] ________ for school? According to a new report, today's generation of children are in danger of getting so [2]_______ sleep that they are putting their mental and physical health at [3]_______. Adults can easily survive on seven to eight hours' sleep a night, [4]_______teenagers require nine or ten hours. According to medical experts, one in five youngsters [5]________ anything between two and five hours' sleep a night less than their parents did at their age