题目内容
（请给出正确答案）
A.A.simulation
B.B.saturation
C.C.repression
D.D.repetition
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Yet there are vital differences between Lewis and Clark’s expedition and a Mars mission. First, Lewis and Clark were headed to a place amenable to life; hundreds of thousands of people were already living there. Second, Lewis and Clark were certain to discover places and things of immediate value to the new nation. Third, the Lewis and Clark venture cost next to nothing by today’s standards. In 1989 NASA estimated that a people-to-Mars program would cost $ 400 billion, which inflates to $ 600 billion today. But the fact that a destination is tantalizing does not mean the journey makes sense, even considering the human calling to explore. And Mars as a destination for people makes absolutely no sense with current technology.
Present systems for getting from Earth’s surface to low-Earth orbit are so fantastically expensive that merely launching the 1,000 tons or so of spacecraft and equipment a Mars mission would require could be accomplished only by cutting health-care benefits, education spending or other important programs or by raising taxes. Absent some remarkable discovery, astronauts, geologists and biologists once on Mars could do little more than analyze rocks and feel awestruck beholding the sky of another world.
It is interesting to note that when President Bush unveiled his proposal, he listed these recent major achievements of space exploration: pictures of the rings of Saturn and the outer planets, evidence of water on Mars and the moon of Jupiter, discovery of more than 100 planets outside our solar system and study of the soil of Mars. All these accomplishments came from automated probes or automated space telescopes. Bush’s proposal, which calls for “reprogramming” some of NASA’s present budget into the Mars effort, might actually lead to a reduction in such unmanned science, the one aspect of space exploration that’s working really well.
Rather than spend hundreds of billions of dollars to hurl tons toward Mars using current technology, why not take a decade or two decades, or however much time is required researching new launch systems and advanced propulsion？ If new launch systems could put weight into orbit affordably, and if advanced propulsion could speed up that long, slow transit to Mars, then the dreams of stepping onto the Red Planet might become reality. Mars will still be there when the technology is ready.
The drive to explore is part of what makes us human, and exploration of the past has led to unexpected glories. Dreams must be tempered by realism, however. For the moment, going to Mars is hopelessly unrealistic.
George Bush’s comparison of Lewis and Clark’s expedition and a Mars mission is mentioned
A．to show that both are of the same and immediate value.
B．to encourage the American people to venture into space.
C．to display the same spirit of discovery in space exploration.
D．to stress that a Mars mission lacks sound and solid basis.
The missile was about (launch) ______ when an error was found with its control system.
The Doyles are not alone in their desire to give back. There are more than 1 million 501(c)(3) charities like theirs, up nearly 70% from the 614, 000 that existed a decade ago, according to Tom Pollak, program director with the National Center for Charitable Statistics at the Urban Institute. Organizations dedicated to education, disaster relief, job development, the environment and AIDS are among today's "hot causes, " says Phyllis McGrath, president of Philanthropy Management, a Fairfield, Conn. , consulting firm that works with nonprofits nationwide.
Fueling this growth are several factors: baby boomers with a social-entrepreneurship mind-set and added time in their lives to give back to their communities, such tragic events as Sept. 11 and Hurricane Katrina, and greater numbers of wealthy individuals with the funds to launch their own nonprofits. But starting a nonprofit is a Herculean effort, requiring patience and determination.
It can take at least six months to a year and as much as 30 to 40 hours a week to get an organization off the ground, McGrath says. Hiring an attorney experienced with nonprofits to handle statewide and federal applications is key. The 501(c) (3) designation comes from the IRS (Internal Revenue Service), and nonprofits are expected to provide the government with such information as a mission statement, an idea of who will be assisted and by what methods, anticipated budget and board of directors, says Andrew Grumet, a lawyer representing nonprofits with the Manhattan firm Herrick, Feinstein, LLP. Accountants familiar with nonprofits can advise on how much of an investment can be made without affecting personal wealth. But even with the best of intentions, nonprofits have a high failure rate: only one-third survive beyond five years, says Stan Madden, director ofthe Center for Nonprofit Studies at the Hankamer School of Business at Baylor University in Waco, Texas.
The best approach is to start with a business plan. Research other organizations in the field to make sure there is no other group addressing the same cause. Consult with other charities to determine that there are constituents who can really use your services. As McGrath notes, "Consider a realistic and doable niche that your organization can uniquely fill."
That is just what Beth Shaw, 41, did. The owner of a $ 4 million company that trains yoga fitness instructors worldwide, Shaw used her knowledge of the market to launch Visionary Women in Fitness, which provides scholarships to underprivileged women so they can train to become instructors. With a budget of just $ 30, 000, the nonprofit, based in Hermosa Beach, Calif. ,is able to help 15 to 20 women a year learn a skill that can get them an entry-level job.
"I have two homes and a successful business, and so many young women out there have nothing, "says Shaw, who has donated $ 50, 000 of her own money since she launched the charity in June 2004. " This was the time in my life to step up and start giving back."
Which of the following is NOT true about Hope for the City？
A．It's a nonprofit organization collecting corporate excessive supply.
B．It's a nonprofit organization distributing donated items to other nonprofits.
C．It was initiated by individuals desiring to do more than donating money.
D．It's a nonprofit organization with few opportunities of secure investment.
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