更多"A. Lowering the prices of their new"的相关试题:
[单项选择]Today’s low gasoline prices make consumers willing to indulge their preference for larger cars, which consume greater amounts of gasoline as fuel. So United States automakers are unwilling to pursue the development of new fuelefficient technologies aggressively. The particular reluctance of the United States automobile industry to do, so, however, could threaten the industry’s future.
Which of the following, if true, would provide the most support for the claim above about the future of the United States automobile industry
A. A prototype fuel-efficient vehicle, built five years ago, achieves a very high 81 miles per gallon on the highway and 63 in the city, but its materials are relatively costly.
B. Small cars sold by manufacturers in the United States are more fuel efficient now than before the sudden jump in oil prices in 1973.
C. Automakers elsewhere in the world have slowed the introduction of fuel-efficient technologies but have pressed ahead with research and development of them in preparation for a predicted rise in world oil prices.
D. There are many technological opportunities for reducing the waste of energy in cars and light trucks through weight, aerodynamic drag, and braking friction.
E. (E) The promotion of mass transit over automobiles as an alternative mode of transportation has encountered consumer resistance that is due in part to the failure of mass transit to accommodate the wide dispersal of points of origin and destinations for trips.
[填空题]Latitiude affects climate by lowering temperatures as the height above sea level increases.,
[单项选择]
| Average U.S. apple prices by consumption | 2001 | 2002 | 2003 | 2004 |
| All sales (cents per pound) | 15.80 | 18.90 | 20.90 | 15.80 |
| Fresh consumption (cents per pound) | 22.90 | 25.80 | 29.40 | 21.70 |
| All processing (dollars per ton) | 108.00 | 130.00 | 131.00 | 107.00 |
| Canned (dollars per ton) | 139.00 | 161.00 | 154.00 | 149.00 |
| Juice and cider (dollars per ton) | 83.40 | 104.00 | 103.00 | 73.00 |
| Frozen (dollars per ton) | 139.00 | 175.00 | 173.00 | 172.00 |
| Dried (dollars per ton) | 84.70 | 108.00 | 107.00 | 77.30 |
Data from U.S. Apple Asso
A. increase of 25%B. decrease of 25%
B. increase of 6%D. decrease of 6%
C. increase of 12%
[填空题]
Prices on the New York stock exchange have suffered one of their biggest falls ever. In a sudden and unexpected development, the Dow-Jones Index fell by just over 140 points, or about 7%. It was the 3rd largest fall in the history of Wall Street. Most of it came in the last hour of trading. Before then, the stock exchange had been showing only minor losses. A BBC correspondent in New York says that the strong selling of American government bonds early in the day is believed to have been one reason for the fall. But he says them were other reasons. These included a belief that next week’s American trade figures would be bad and fears that interest rates would not decrease. The market was also affected by worries that the federal budget deficit would be higher than expected. Coinciding with a fall in prices on Wall Street, a presidential commission has sent a report to the White House on the stock market’s biggest ever crash on October 19 last year when the Dow-Jo
[单项选择]Unfortunately, any benefits gained by lowering prices never ______ if they are achieved by a reduction in quality.
A. last
B. pass
C. spend
D. retain
[填空题]Lowering the Risk of Heart Disease
Like millions of other Americans, I come from a family with a history of heart disease. My father had his first three heart attacks when he was only thirty-one. (46) I grew up with heart disease. It was there, but I didn’t take it seriously.
When I was thirty-one, my blood cholesterol (胆固醇) level was measured for the first time. It was 311 mg/dl, the doctor told me — an extremely high level that put me at a very high risk of heart disease, especially with my family history. He sent me to the National Institutes of Health (NIH) to be screened for participation in a clinical trial. (47) At NIH, physicians explained the degree of risk associated with my blood cholesterol level and the nature of the experiment. This test involves putting a tube through a leg artery (动脉) up to the heart. (48) Learning about the risks of the experiment as well as the risk associated with my raised blood cholesterol level
