(36) Bicycles have become part of our lives. It is necessary for us to own a bicycle.
The majority of Chinese still depend upon the bicycle for transportation, but the country needs laws and facilities to regulate its use.
(37) With the living standards of people rising year by year, television is now playing a very important role in people’s lives and TV programs have been an essential part of our entertainment.
Though the life of the ordinary Chinese family is now enriched with the television, people are often upset with unsatisfactory TV programs.
(38) Plastics are very useful because they have many good properities. First of all, they are light and strong. Next, they do not rust. Finally, they have high chemical stability and give considerable resistance to different solvents, acids and alkalis.
Most plastics are popular for their properities of lightness, durability and resistance to solvents, acid and alkalis.
(39) Making cities greener has many advantages.
Making our cities green is only part of our long-term campaign for ridding the environment of the pollution.
(40) Our world is filled with sounds. When people speak, they utter sounds. When birds sing they end out sounds. Traffic also makes sounds.
The Saturday morning free market at Haidian, Beijing, is a sight of hubbub, full of noises of people, animals and automobiles.
(41) All the people think that honesty is a virtue.
Poverty often drives one to seek profits at the expense of honesty.
(42) Newspapers provide us with information about events beyond our own small world. Without newspaper we would not know what is happening in our own society or abroad. The important events we learn from the newspapers might affect our lives and broaden our knowledge of the outside world.
(43) Obligations to our parents are very important. Parents are the most beloved persons in the world.