| More than a year has passed since the
space shuttle Columbia broke into pieces over central Texas. This past January
President Bush announced a long-term program of space exploration that would
return human beings to the Moon, and thereafter send them to Mars and beyond. As
this magazine (Natural History) goes to press, the twin Mars Exploration Rovers,
Spirit and Opportunity, are wowing the scientists and engineers at the rovers’
birthplace--NASA’s Jet Propulsion Laboratory (JPL)--with their skills as robotic
field geologists. JPL’s official rover Web site is being stampeded by visitors.
The confluence of these and other events resurrects a perennial debate: with two
shuttle failures out of 112 missions, and the astronomical expense of the manned
space program, can sending people into space be justified, or should robots do
the jo A. hacked severely B. clicked frequently C. closed forever D. neglected purposely [单项选择]More than a year has passed since the space shuttle Columbia broke into pieces over central Texas. This past January President Bush announced a long-term program of space exploration that would return human beings to the Moon, and thereafter send them to Mars and beyond. As this magazine (Natural History) goes to press, the twin Mars Exploration Rovers, Spirit and Opportunity, are wowing the scientists and engineers at the rovers’ birthplace--NASA’s Jet Propulsion Laboratory (JPL)--with their skills as robotic field geologists. JPL’s official rover Web site is being stampeded by visitors. The confluence of these and other events resurrects a perennial debate: with two shuttle failures out of 112 missions, and the astronomical expense of the manned space program, can sending people into space be justified, or should robots do the job alone
Modern societies have been sending robots into space since 1957, and people since 1961. Fact is, it’s vastly cheaper to send robots: in most cas A. A．1) most probably means ______ . hacked severelyB. clicked frequentlyC. closed foreverD. neglected purposely [填空题]The book has more than one author.
[单项选择]Quick quiz: Who has a more vitriolic relationship with the US The French or the British. If you guessed the French, consider this: Paris newspaper polls show that 72 percent of the French hold a favorable impression of the United States. Yet UK polls over the past decade show a lower percentage of the British have a favorable impression of the United States.
Britain’s highbrow newspaper, The Guardian, sets the UK’s intellectual tone. On any given day you can easily read a handful of stories sniping at the US and things American. The BBC’s Radio 4, which is a domestic news and talk radio station, regularly laments Britain’s social wart sand follows them up with something that has become the national mantra, "Well, at least we’re not as bad as the Americans. " This isn’t a new trend: British abhorrence of America antedates George W. Bush and the invasion of Iraq. On 9/11 as the second plane was slamming into the World Trade Center towers my wife was on the phone with an English A. strong hatred B. total indifference C. great sympathy D. sheer irrelevance 我来回答: 提交
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