下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。 Looking to the Future
When a magazine for high-school students asked its readers what life would
be like in twenty years, they said : machines would be run by solar power.
Buildings would rotate so they could follow the sun to take maximum advantage of
its light and heat. Walls would radiate(发射电磁波，辐射) light and change color with
the push of a button. Food would be replaced by pills. School would be taught by
electrical impulse while we sleep. Cars would have radar. Does this sound like
the year 2000 Actually (46) and the question was "what will
life be like in 1987" The future is much too important to simply
guess about, the way the high school students did, so experts are regularly
asked to predict accurately. By carefully studying the present, skilled
businessmen, scientists, and politicians are supposedly able to figure out in
advance what will happen. But can they One expert on cities wrote.
(47) , but would have space for farms and fields. People
would travel to work in "airbuses", large all-weather helicopters carrying up to
200 passengers. When a person left the airbus station he could drive a
coin-operated car equipped with radar. The radar equipment of cars would make
traffic accidents "almost unheard of". Does that sound familiar If the expert
had been accurate, it would, because; he was writing in 1957. His subject was
"The city of 1982". If the professionals sometimes sound like
high-school students, it’s probably because (48) . But
economic forecasting, or predicting what the economy will do, has been around
for a long time. It should be accurate, and generally it is. But there have been
some big mistakes in this field, too. In early 1929, most forecasters saw an
excellent future for the stock market. In October of that year, (49)
, ruining thousands of investors who had put their faith in financial
foreseers. One forecaster knew that predictions about the future
would always be subject to significant errors. In 1957, H. J. Rand of the Rand
Corporation was asked about the year 2000, "Only one thing is certain", he
answered. "Children born today (50) " A. The
stock market had its worst losses ever B. will have reached the
age of 43 C. the article was written in 1958 D.
Cities of the future would not be crowded E. The prediction of
the future is generally accurate F. future study is still a new
field