[判断题]It is possible to make synthetic fibers from milk and petroleum.

[单项选择]When ______ from milk, the remainder is called skim milk.
A. all the butterfat is removed
B. removing all the butterfat that
C. is all the butterfat removed
D. the removal of all the butterfat

[填空题]Manmade fibers have only been used to make{{U}} (36) {{/U}}for a little over a century, but their use is quite{{U}} (37) {{/U}}nowadays. Rayon, the first manmade fiber commercially produced in the United States, appeared in 1910. In 1939, nylon, the first chemically{{U}} (38) {{/U}}fiber, was first produced in this country on a commerical basis. Ever since, the number of manmade fibers has{{U}} (39) {{/U}}into including more than 20 types. Although the{{U}} (40) {{/U}}of manmade clothing fibers is long, rayon remains one of the most popular of all time, and that is why we continue to produce it in such great{{U}} (41) {{/U}}. Rayon is made of cellulose, a naturally occurring{{U}} (42) {{/U}}found in cotton and in certain vegetables, like celery, of all things. The cellulose in rayon has been recycled and treated to make it a useful fiber for clothing. {{U}} (43) {{/U}}. Most rayon washes well, too, although it does shrink when it is washed in hot water. {{

[简答题]

Newspaper publishers make money mainly from subscribers and advertisers. It’s been that way for centuries. But in the last few years an important new income stream has opened up for newspapers. Among the pioneers is The Gazette Company in Cedar Rapids, Iowa, which since 1993 has been providing information to its readers delivered by both paper and, increasingly, the Web. "If a newspaper views itself as ink on paper, I don’t think it will survive," says Steve Hannah, vice president of information technology.
(46) Online newspapers are a look into the future, and just pondering it raises the question of whether it isn’t nicer getting your daily news curled up in your favorite chair with your ballpoint pen handy to circle items of interest, or scissors ready to snip out articles you want to save. The Gazette Company is betting its subscribers want both electronic and paper options, and so far it seems to be right.
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