更多".Over the past 20 years，the Interne"的相关试题:
[单项选择]Over the past 20years , the internet has helped change our world in either way or another for the better.（）
A. the past
B. helped change
C. either
D. for the better
[单项选择]A. over past 50 years
B. for more than four decades
C. by more than 50 percent
D. for home energy use
E. as a raw material
F. beneath the earth’s surface
Natural gas is stored deep
[单项选择]Over the past ten years, natural gas production has remained steady, but ________ has risen steadily.
A. consumption
B. dissipation
C. disposal
D. expenditure
[单项选择]Increasingly, over the past ten years, people—especially young people—have become aware of the need to change their eating habit, because much of the food they eat, particularly processed foods, is not good for health. Consequently, there has been a growing interest in natural foods: foods which do not contain chemical additives and which have not been affected by chemical fertilizers, widely used in farming today.
Natural foods, for example, are vegetable, fruit and grain which have been grown in soil and are rich in organic matter. In simple terms, this means that the soil has been nourished by unused vegetable matter, which provides it with essential vitamins and minerals. This in itself is a natural process compared with the use of chemicals and fertilizers, the main purpose of which is to increase the amount— but not the quality—of foods grown in commercial fanning areas.
Natural foods also include animals which have been allowed to feed and move freely in healthy pa
A. people’s growing interest in natural foods
B. natural food and healthy diet
C. the importance of fibre in foods
D. harmful effects of sugar
[单项选择]Over the past ten years, the sharp increase in the sale of personal computers was due to
A. better computer graphics and sound.
B. the enhanced version of the Pentium processor.
C. the success of the world’s first microprocessor.
D. successful sales of Intel chips and Microsoft softwar
[单项选择]Over the past few years, a growing number of America’s parentless children have found homes. In 2008 there were 463,000 children in foster care, a system where the government places orphans and children with parents who are abusive or unable to take care of them in the care of guardians. That is 11% down since 2002, and great news. But experts worry the trend might now go into reverse.
Some welfare advocates fear that the bad economy may cause parents with frayed nerves to abuse and neglect their children, and even cause some to abandon them. Already, several hospitals across the country have reported an increase in the frequency and severity of injuries from child abuse.
The most recent national data on child welfare available dates from September 2008, before the recession was in lull throttle; data from 2009 won’t be reported until later this year. But there is some question about whether the data, when reported, will even be accurate. Many states and counties, in an attem
A. the number of the children who need to be properly cared will be increasing
B. the number of the children who need to be properly cared will be reducing
C. a large number of children will get great care
D. a fewer part of children will need someone to take care of them
[填空题]A over the past 50 years
B beneath the earth surface
C by more than 50 percent
D for more than four decades
E as a raw material
F for families
When manufacturing many products, people commonly use natural gas______.
