Genes play a critical role in overall health. Every cell in the human body contains genetic information. Everything from the ageing process to the development of     1    , such as cancer, is tied to an individual’s genetic make-up. However, scientists have long been     2     the question about which genetic markers indicate a short or long lifespan. The discovery by the research team may     3     of the study on genes and human lifespans, and eventually help answer this question.

Scientists say that locating these sixteen genetic markers will greatly improve their understanding of how genes affect lifespans. These genetic markers may eventually     4     a means of targeting the specific genes connected with lifespans. This could significantly enhance people’s chances of living to a ripe old age. According to some scientists, it could make     5     to the future of human life.

At the basic level, artificial intelligence is a branch of computer science that aims to create intelligent machines. One of     6     of AI is to develop computer intelligence     7     learning from experience,     8     new inputs and performing tasks like humans. To achieve this aim, many approaches to creating true AI have been put forward, including “deep learning”, which enables a machine to improve its own performance by learning from the results of     9    . Deep-learning AI     10     to analyse massive amounts of data through multiple layers, imitating the complex networks of the human brain.

    1    , they find Luo’s parents eagerly waiting for them. Their home has been     2     for the joyous occasion. From the    3    of the paper-cuttings on the windows, to the Spring Festival    4    on the door, and to the New Year paintings on the wall, everything    5    joy, luck and happiness.

The whole family are going to    6    on the Chinese New Year’s Eve. They    7    around the television to watch the Spring Festival Gala, while    8    , chatting with each other and making dumplings that they will eat at the    9    of the new year. In the    10    of the room, Luo Yan talks about his plan for the future.

However, for those of you with a     1     mind, opportunity lies in each challenge. When you rise to the     2    , you will have the opportunity to     3    great knowledge and enjoy personal growth.

To fully realize your     4    , it is important for you to make the most of our school resources.     5     your classes, learn from your teachers and classmates, and make use of our school facilities.

The key to keeping the peace is     6    and honest communication. When you disagree with your parents, take a minute to     7     and try to understand the situation     8    . Perhaps they have experienced something similar and do not want you to go through the same pain.     9    , explain your actions and feelings calmly, listen carefully, and address their concerns.

Social media like blogs has     10    and the friends whom we love.