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What is being done to make T-shirts more attractive？
Today the T-shirt has become fashionable. It can be seen everywhere and on everyone. Women and little children wear T-shirts as do teenagers, university students, and men from all walks of life. T-shirts are worn on playgrounds, on the beach or in town They can also be worn for work. Yet T-shirts remain relatively inexpensive and long lasting, as well as easy to care for. Smart but comfortable and convenient to wear, they have become one of America's newest ideas on fashion.
Although T-shins am now available in a wide variety of bright materials and styles, the most popular kind is the traditional cotton T-shins with a slogan or picture printed on the front. As T-shins beating insignias are becoming more and more popular, new designs are coming up all the time.
What is the most popular kind of T-shirt？
Who do you think saw the bear first？
Two factors weigh heavily against the effectiveness of scientific research in industry. One is the general atmosphere of secrecy in which it is 【21】______ , the other the lack of freedom of the individual research worker. 【22】______ any inquiry is a secret one, it naturally limits all those engaged in carrying it out 【23】______ effective contact with their fellow scientists either in other countries or in universities, or 【24】______ ,often err)ugh, in other departments of the same firm. The degree of secrecy naturally 【25】______ considerably. Some of the bigger firms are 【26】______ in researches which am 【27】______ such general and fundamental nature that it is a positive 【28】______ to them not to keep them secret. 【29】______ a great many processes depending on such research am sought for with complete secrecy 【30】______ the stage at which patents can be 【31】______ . Even more processes am never patented 【32】______ but kept as secret processes. This 【33】______ particularly to chemical industries, where chance discoveries play a much larger part 【34】______ they do in physical and mechanical industries. Sometimes the secrecy goes to such an 【35】______ that the whole nature of the research cannot be mentioned. Many firms, for instance, have great difficulty in 【36】______ technical or scientific books from libraries 【37】______ they are unwilling to have their names entered 【38】______ having taken out such and such a book, 【39】______ the agents of other firms should be able to trace the kind of research they are likely to be 【40】______ .
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