[填空题]According to the writer, China’s new middle class has emerged overnight.

[填空题]Most members of China’s middle class are well-educated.

[简答题]Middle-class teenagers are less intelligent than a generation ago due to the dumbing down of youth culture and school tests, a new study suggests. IQ tests show that scores for the average 14- year-old have dropped by more than two points between 1980 and 2008. For those in the upper half of the intelligence scale--a group typically dominated by the children of middle-class families-- average IQ scores were six points down on 28 years ago. It is the first time IQ scores have fallen for any age group during the past century.
Leisure time is increasingly taken up with playing computer games and watching TV instead of reading and holding conversations. Education experts said a growing tendency in schools to "teach to the test" was affecting youngsters’ ability to think laterally. Other studies have shown how pervasive teenage youth culture is, and what we see is parents’ influence on IQ slowly diminishing with age. Previous studies have claimed that using text messages and email c

[填空题]Middle - class children enjoy an advantage over working - class children at school because their language enable them to respond to ______.

[判断题]Only middle-class Americans benefited from the prosperity in the post-war era.

[填空题]According to the theory, middle -class children seem to be more intelligent owing to the ______.

[单项选择]With the purchasing power of many middle-class households _________ behind the cost of living, there was an urgent demand for credit.
A. leaving
B. levering
C. lacking
D. lagging

[单项选择]As any middle-class parent knows, unpaid work experience can give youngsters a valuable introduction to a secure job. The government has recognized it too, abandoning rules in 2011 that had formerly stopped 16 to 24-year-olds from doing unpaid work while claiming unemployment benefit. But moving from that to forcing them to work without pay in order to collect these benefits has proved a big step.
(79) More than one million young people in Britain are unemployed, the highest number since the mid-1980s. Keen both to cut the welfare bill and to avoid the depressed future wages that may result from early unemployment, the government has impressed future wages that may result from early unemployment, the government has introduced an ambitious program of reform to get youngsters off welfare and into work. A key part of it is ensuring that no one gets benefit from the government for long; ministers are keen to avoid what happened after the early-1980s recession (衰退), when unemp
A. are used to showing up for work
B. value unpaid work very much
C. are always opposed to unpaid work
D. could learn something about job security through unpaid work.

[单项选择]The empty house, in a middle-class corner of southern California, is two storeys high and boasts a three-car garage. Roses bloom around a kidney-shaped swimming pool, which is green with algae. Bill Bobbitt, a county inspector, dips a ladle into the water and brings up half a dozen wriggling larvae. Mosquitoes, and the West Nile virus that some of them carry, are thriving in California’s plunging property market.
West Nile virus arrived in America in 1999 and made it to California three years later. Since then it is known to have infected 2,300 people in the state, of whom 76 have died. In Orange County this is the worst summer yet. By this point last year officials there had discovered nine birds that had been killed by West Nile virus and not one infected mosquito. So far this year they have found 219 infected birds and 75 infected mosquitoes.
Some of this rise is due to better testing and co-operation with the animal services department, which receives most reports of dy
A. House crunch.
B. Inadequate caring of the houses.
C. Warm and humid weather.
D. More reports of dying birds occur in California.

[单项选择]You are in the middle of a new product development for your publicly traded company when you discover that the previous project manager made a U.S. $3000000 payment that was not approved in accordance with your company policies．Luckily，the project cost performance index(CPI)is 1.2．What should you do ？（）
A. Contact your manage
B. Put the payment in an escrow accoun
C. Bury the cost in the larges cost center availabl
D. Ignore the paymen