As midnight     1     , Luo Yan takes his parents, wife and son outside to     2     firecrackers. The whole village is     3     with colourful fireworks. All over the country, people are celebrating their good     4    , celebrating their family’s     5     , and celebrating their nation’s strength.

Holidays with friends can be great fun and a good way of getting to know each other better.    1    一个好的旅行计划将会帮助你玩得很愉快. Also it will help you to save money if you start planning earlier.

Choose a place to visit. Going abroad will cost more but be a more exciting experience. Don’t go abroad if this is the first time you organize(组织)the holidays.    2     Going to a different place in your own country can also be fun and will be cheaper.

Collect your friends. Work out how many people you will be able to plan the trip for.    3    邀请能和你友好相处的人。

Meet up. Everyone will have their own idea of what the trip to be like, you should have a meeting.     4    你最好准备一个笔记本写下一些重要的事情。

Book transport(交通). When you decide on your hotel, you will know the dates of your stay and will be able to book transport, such as trains, buses and airplanes. Booking transport earlier can help you save some money.

    5     All in all, no matter where you go, just start planning as early as possible.

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.

There are     1     of water pollution. Large amounts of     2     poison the water after they enter water bodies. Moreover，animal and human waste pollutes the water. Water pollution is also caused by poisonous chemicals     3    .

One     1     of classic literature is that it often reflects an author’s own experiences and can therefore help us understand     2     of his or her time. This is one reason why the best works of literature still     3     readers long after they were written. Cao Xueqin’s A Dream of Red Mansions, one of the most     4     in Chinese literature, is a good example of this. Its storyline follows the fall of a large wealthy family much like the author’s own. No doubt     5     his own experiences, Cao Xueqin gives     6     of what life was like at that time. The novel contains     7     of details such as what the upper class wore and ate. It also describes the social relations in 18th-century China. As a result, readers     8     better understanding the gap between rich and poor, men and women, the learned and the uneducated in the historical context. Cultural and historical elements like these make A Dream of Red Mansions     9    . In summary, we can learn much about     10     in history from classic literature.

    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.