更多"When people download Sun’s Java pro"的相关试题:
[单项选择]
When older people can no longer remember names at a cocktail party, they tend to think that their brainpower is declining. But a growing number of studies suggest that this assumption is often wrong. Instead, the research finds, the aging brain is simply taking in more data and trying to sift through a clutter of information, often to its long-term benefit. The studies are analyzed in a new edition of a neurology book, "Progress in Brain Research. "
Some brains do deteriorate with age. Alzheimer’s disease, for example, strikes 13 percent of Americans 65 and older. But for most aging adults, the authors say, much of what occurs is a gradually widening focus of attention that makes it more difficult to latch onto just one fact, like a name or a telephone number. Although that can be frustrating, it is often useful. "It may be that distractibility is not, in fact, a bad thing," said Shelley H. Carson, a psychology researcher at Harvard whose work wa
A. aging brains tend to process more information simultaneously
B. one becomes forgetful when he gets old
C. older people don’t think their brainpower is declining
D. the aged always stress long-term benefit
[填空题]How can you protect other people when you have a cold
______ with a tissue when you cough or sneeze at least.
[填空题]Guijie can still attract many people even when the weather condition is terrible.
[填空题]
Many people can remember feeling very lonely when we were
[填空题]When can people think about our eyes very often
On the time when we ______.
[单项选择]Long, long ago people thought the sun went around the earth. In some countries, people said that sun was a god (神). They thought that he drove across the sky each day on a golden horse.
But now we know the earth goes around the sun. Today men know how far it is for the earth to go around the sun. They tell us that the earth travels over 1,000 miles a minute on its way around the sun.
The sun is really a star. It is much bigger than the earth and it is very hot. Some people have been to the moon, but we know that no one can ever get to the sun. It is too hot for people to live anywhere near it. The sun is 300,000 times heavier than the earth and more than a million (百万) times larger.
Why can’t people live in the sun Because _______.
A. there is much water
B. it is too hot
C. it is too far away
