题目内容
（请给出正确答案）
Rubber derived from used tires can be widely used because ______
A．it can be processed into new products
B．it can be recycled 100 percent
C．it contributes to improving the appearance of our cities
D．such rubber is especially strong
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更多“Rubber derived from used tires…”相关的问题
The Recycling Rate for Tires
In Japan, the recycling rate for tires was already 93 percent in 1993, Discarded tires are recycled here in three ways. The most familiar involves simply using them "as is"--in their original shape for such things as playground equipment in schools and public parks. They are even used in some "bullet train" tracks as shock absorbers.
Another popular use of discarded tires involves extracting rubber for processing into new products. "You can recycle rubber 100 percent, and as often as you wish. Rubber used in making tires is especially strong, so the rubber derived from scrapped(报废的)tires can be used in various ways," says Minoru Muraoka, president of Muraoka Rubber Co. who is bent on(致力于)recycling tires. In addition to being reused in tires, recycled rubber is used to make sheet rubber. Also, powdered rubber is used to make roof tries and slabs for sidewalks, thus contributing to improving the looks of our cities.
The third use for scrapped tires is as fuel. Half of all scrapped tires are currently used for this purpose at various installations requiring large amounts of heat energy.
Furthermore, Takeji Kobata, a researcher in Hokkaido has developed an epoch-making technology for making activated carbon (活性炭) by burning used tires. Activated carbon made from tires is of better quality and has greater absorptive power than other varieties already on the market. With the Kobata method, 1. 5 kilograms of activated carbon can be obtained from a single 7-kilogram automobile tire. Kobata has already obtained manufacturing patent (专利) in the United States, Canada and Taiwan, and has also opened the patented process to the public in Britain, Germany, France and Brazil
第 31 题 The passage is mainly about______
A．using tires in their initial shape
B．how to reuse discarded tires
C．how to recycle activated, carbon
D．the recycling rate of tires in Japan
The characteristic of elasticity is______ distinguishes rubber from plastic and fibers.
A．what
B．that
C．which
D．where
A.right
B.common
C.ready
D.ordinary
What is the spray used for？
A．To protect the boots from water
B．To protect the soles from heat
C．To protect the floors from soles
D．To protect the boots from rubber
We can conclude from the passage that ______.
A．basketball was derived from rugby
B．rugby is most closely identifiable with our American sport of football
C．soccer and rugby are essentially the same game
D．rugby is the roughest of all contact sports
A．the increasing use of rubber and steel in capital construction
B．the development of flexible building materials
C．the reduction of the impact of ground vibrations
D．early forecasts of earthquakes
Mary has derived a good deal of benefit from her job.（）
A．obtained
B．accepted
C． bribed
D．produced
A.deduced
B.detached
C.derived
D.declined
A.The new meaning of a word is derived from having the opposite meanin
B.The new meaning of a word is derived from comparing one thing to another for some features.
C.The new meaning of a word is derived from putting a new thing into the same category.
D.The new meaning of a word is derived from a word having many meanings.
