Image waking up one morning    1     the option of staying in bed and     2     a button to send a robot to do all the work for you. How cool that would be! It may seem like building    3    in the air, but given the rate at     4     artificial intelligence, or AI, is being developed, in the future such dreams may actually come    5    .

Artificial intelligence aims to create intelligent machines. To achieve the aim, many approaches to     1    (create) true AI have been put forward. The dream of AI     2    has been around for centuries has finally become a reality. Nowadays, AI is already being applied in many fields. From autonomous vehicles to domestic robots, from     3    (recommend) systems to computers writing novels, AI has     4    unlimited number of applications. The technology     5    (transform) the way we live. However, the question is, where will all this lead?    6    we become more and more dependent on computers, some scientists are urging us to think about the dangers     7    (pose) by the advances in AI. Stephen Hawking, for example,    8    (warn), “The development of full artificial intelligence could spell the end of the human race.”     9    (apparent), such warnings demand our attention. We need to make sure that we will not fall victim     10    AI.

Bringing with him lots of books, clothes, and two pairs of trainers, Zhang Tian travelled to the village with an eager heart. He imagined     1     exciting things about living independently and teaching in a village.

Our coach was not so sure. Paul had to     2     many times just for making the team. He was still usually on the bench, being just a replacement, which was really     3    .

Like any exercise, running increases the flow of blood and oxygen to your brain. It makes your heart stronger and allows more blood to flow around your body. It also     4     and reduces the risk of serious health problems, as well as     5     like colds.

Advertising has become part of modern life. In short, it refers to the activity of     1     a product of service. In other words, it tries to persuade people to buy a product or service. The history of     2     has always been closely linked with that of the mass media. As media channels have grown in number and type,     3     have advertisements. Because the mass media reaches so many people, it is a perfect vehicle for advertisers. In addition to    4     people aware of a product or service, a successful advertisement will also create a desire to buy, thus boosting business. Based on the psychology behind creating a desire to buy, advertisers have developed ways of persuading people into purchasing their products or services. A common technique to make an impact is to create a memorable    5    .

The other day Tom     1     (和……吵架)Jim because Jim     2     (违背诺言)，which made Tom very angry. Hearing this, I advised Jim to    3     (和……交谈)Tom and promise to     4     (守信用)later. It turned out that Tom also apologized to Jim and said he wanted to     5     (收回所说的话).He thought what he said might have hurt Jim’s heart.     6     (总之)，they have become good friends again.

Trade and c    1     have often f    2     the foundation of mankind’s greatest a    3    . To c    4     the great map of the world was a strong p    5     for the people of early civilisations. Marco Polo’s t    6     inspired European explorers to s    7     for sea r    8     from west to east. H    9    , merchants and explorers from the East set s    10     from east to west many years before Columbus first did.