[单项选择]Why are the prices of mobile telephone services lower in China’s eastern coastal region
A. The average disposable income is lower in the region.
B. The GDP is higher in the region.
C. The costs of operators are lower due to a greater number of users of mobile phone services in the region.
D. The operators compete with each other in order to win over subscribers.

[单项选择]Why are the prices of mobile telephone services lower in China’s eastern coastal region a. The average disposable income is lower in the region. b. The GDP is higher in the region. c. The costs of operators are lower due to a greater number of users of mobile phone services in the region. d. The operators compete with each other in order to win over subscribers.

[单项选择]Prices are sky-high, with profits to match. But looking further ahead, the industry faces wrenching change, says an expert of energy.
"The time when we could count on cheap oil and even cheaper natural gas is clearly ending. "That was the gloomy forecast delivered in February by Dave O’Reilly, the chairman of Chevron Texaco, to hundreds of oilmen gathered for a conference in Houston. The following month, Venezuela’s President Hugo Chavez gleefully echoed the sentiment: "The world should forget about cheap oil."
The surge in oil prices, from ＄10 a barrel in 1998 to above ＄50 in early 2005,has prompted talk of a new era of sustained higher prices. But whenever a "new era" in oil is hailed, scepticism is in order. After all, this is essentially a cyclical business in which prices habitually yo-yo. Even so, an unusually loud chorus is now joining Messrs O’Reilly and Chavez, pointing to intriguing evidence of a new "price floor" of ＄30 or perhaps even ＄40. Confusingly, though, the
A. prices of oil and natural gas are very high
B. prices of oil and natural gas will not go down
C. oil and natural gas will keep sustained high prices
D. the world has forgotten about cheap oil

[简答题]Why do food prices keep on rising, when there seems to be much more food Is the abundance only temporary, or has it come to stay.

[单项选择]Why did the share prices get a shock yesterday（　）.
A. Because the pound fell to its lowest level against the dollar.
B. Because the American currency soared to a new peak.
C. Because the Footsie slumped forty-two points.
D. Because the government increased interest rates to fifteen per cent.

[单项选择]Why are mobile phones popular in China, according to the speaker a. They are considered as fashionable items. b. They keep people closer to each other. c. They are more convenient to users than fixed phones. d. They are considered time-saving devices.

[单项选择]Food prices
A. will not rise this year.
B. will fall down till the new year.
C. will rise up until after the new year.
D. will hold down not until the new year.

[填空题]How about the prices
The prices are ______

[填空题]
Why on earth would an innocent person falsely confess to committing a crime To most people, it just doesn’t seem logical. But it is logical, say experts, if you understand what can happen in a police interrogation (审讯) room.
Under the right conditions, people’s minds are susceptible (易受影响的) to influence, and the pressure put on suspects during police questioning is enormous. (46) "The pressure is important to understand, because otherwise it’s impossible to understand why someone would say he did something he didn’t do. The answer is; to put an end to an uncomfortable situation that will continue until he does confess. "
Developmental psychologist Mary Redlich recently conducted a laboratory study to determine how likely people are to confess to things they didn’t do. (47) The researchers then intentionally crashed the computers and accused the participants of hitting the "alt" k