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W: Why not just let me treat you？ I just got paid, besides I owe you for helping me with that physics project last month.
Q: What does the woman mean？
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A．You can grow vegetables vertically.B．You can raise plants in a confined area.C．You c
听力原文：M: I have a special guest today, Shirley. Shirley, you truly have an amazing garden. Could you let us know how you put this together？
W: This spring I took a square-foot gardening class, and I decided to try soma of the things I've learned. Um, one of the most important things in square-foot gardening is that you choose a good location. You need at least 6 to 8 hours of direct sunshine, You also need to choose a location that has good drainage, and it should be a convenient location. A garden is a lot more fun if you are walking by and seeing it all the time. Um, you need to decide what kind of containers you want, or, in my case, I used wooden boxes.
M: Well, Shirley, I've noticed these vertical beams. I've never seen that before. Could you explain that to us a little bit？
W: Right here we have some cantaloupe, and cantaloupe take a lot of space when you grow them out on the ground, and I don't have that much space, so I just grow them up. I just made a metal frame, and took some string. I just allow them to grow up, and they will support themselves.
M: This is amazing. I noticed in this garden, there is a vast amount of vegetation,
W: Wall, over on the far end, I have tomatoes growing vertically. In front of those I have green peppers, basil, strawberries, beets, green beans, corn, carrots and so on. Right here, as I said before, I have cantaloupe. Down at the bottom, I have some Mexican tomatoes. And down at this end, I have eggplant, another kind of pepper called banana peppers, cucumbers, okra, pumpkins...and I think that's about it.
M: I'm so impressed. I'd like to thank you very much for having us in today to look at your garden.
(23)
America's Brain Drain Crisis
Losing the Global Edge
William Kunz is a self-described computer geek. A more apt description might be computer genius. When he was just 11, Kurtz started writing software programs, and by 14 he had created his own video game. As a high school sophomore in Houston, Texas, he won first prize in a local science fair for a data encryption (遍密码) program he wrote. In his senior year, he took top prize in an international science and engineering fair for designing a program to analyze and sort DNA patterns.
Kunz went on to attend Carnegie Mellon, among the nation's highest-ranked universities in computer science. After college he landed a job with Oracle in Silicon Valley, writing software used by companies around the world.
Kunz looked set to become a star in his field. Then he gave it all up.
Today, three years later, Kunz is in his first year at Harvard Business School. He left software engineering partly because his earning potential paled next to friends who were going into law or business. He also worried about job security, especially as more companies move their programming overseas to lower costs. "Every time you're asked to train someone in India, you think, 'Am I training my replacement？'" Kunz says.
Things are turning out very differently for another standout in engineering, Qing-Shan Jia. A student at Tsinghua University in Beijing, Jia shines even among his gifted cohorts (一群人) at a school sometimes called "the MIT of China". He considered applying to Harvard for his PhD, but decided it wasn't worth it.
His university is investing heavily in cutting-edge research facilities, and attracts an impressive roster of international professors. "I can get a world-class education here and study with world-class scholars," Jia says.
These two snapshots (快照) illustrate part of a deeply disturbing picture. In the disciplines underpinning the high-tech economy—math, science and engineering—America is steadily losing its global edge. The depth and breadth of the problem is clear:
-- Several of America's key agencies for scientific research and development will face a retirement crisis within the next ten years.
-- Less than 6% of America's high school seniors plan to pursue engineering degrees, down 36% from a decade ago.
-- In 2000, 56% of China's undergraduate degrees were in the hard sciences; in the United States, the figure was 17%.
-- China will likely produce six times the number of engineers next year than America will graduate, according to Mike
Gibbons of the American Society for Engineering Education. Japan, with half America's population, has minted (铸造) twice as many in recent years.
"Most Americans are unaware of how much science does for this country and what we stand to lose if we can't keep up," says Shirley Ann Jackson, president of Rensselaer polytechnic Institute and chair of the American Association for the Advancement of Science. David Baltimore, president of the California Institute of Technology and a Nobel laureate, puts it bluntly: "We can't hope to keep intact our standard of living, our national security, our way of life, if Americans aren't competitive in science."
The Crisis Americans Created
In January 2001, the Hart-Rudman Commission, tasked with finding solutions to America's major national security threats, concluded that the failures of America's math and science education and America's system of research "pose a greater threat... than any potential conventional war."
The roots of this failure lie in primary and secondary education. The nation that produced most of the great technological advances of the last century now scores poorly in international science testing. A 2003 survey of math and science literacy ranked American 15-year-olds against kids from other industrialized nations. In math, American st
听力原文：W: Hey, Mike! Where am you off to？
M: I'm heading for the Price Chopper. I do a lot of the family shopping since my mom got a pan-time job.
W: Can you give me a ride？ I want to get some drinks.
M: Sure! Let's go!
W: Do you enjoy shopping？
M: Enjoy？ I don't mind admitting 1 hate shopping almost as much as I hate algebra. Correction! I hate shopping even more than I hate algebra.
W: Yipe! A loose shopping cart!
M: Today I'm proud of myself. I remembered to bring along my shopping list.
W: You're becoming an experienced shopper!
M: Gosh! Wrong shopping list!
W: I'm sorry to hear that.
M: But it's okay! I'm sure I can remember most of the six or seven items that my mom wanted me to pick up.
W: Watch out for the cart. Mike!
M: Thanks! You know, as I scamper through the aisles I can always successfully avoid the flying carts of my fellow shoppers.
W: Whew! That was close!
M: You see! I manage to pick up what I want in record time!
W: Great! Let's head for the express line. Everyone knows express lines move much faster than regular lines.
M: All right! Oh, unfortunately, this express line doesn't move at all!
W: The next line has one shopper. Let's switch lines!
(20)
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