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【17】 是将多个硬盘按照一定的形式和方案组织起来，在使用上如同使用一个硬盘一样，但却获得了比单个硬盘更高的速度，更好的稳定性和更大的存储容量。
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张某，女，70岁，因支气管哮喘急性发作入院治疗，经静脉输入药物2d后病情缓解。今天输液1h后，病人突然面色苍白、呼吸困难、气促、咳嗽加重、咳血性泡沫样痰。 你应立即给病人安置的体位是( )。
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Questions 8 to 9 are based on the following news. At the end of the news item, you will be given l0 seconds to answer each question. Now listen to the news. Tom Stevenson was ______.
Many things make people think artists are weird — the odd hours, the nonconformity, the clove cigarettes. But the weirdest may be this: artists’ only job is to explore emotions, and yet they choose to focus on the ones that feel lousy. Art today can give you anomie, no problem. Bittersweetness You got it. Tristesse What size you want that in But great art, as defined by those in the great-art-defining business, is almost never about simple, unironic happiness. This wasn’t always so. The earliest forms of art, like painting and music, are those best suited for expressing joy. But somewhere in the 19th century, more artists began seeing happiness as insipid, phony or, worst of all, boring — in Tolstoy’s words, "All happy families are alike." We went from Wordsworth’s daffodils to Baudelaire’s flowers of evil. In the 20th century, classical music became more atonal, visual art more unsettling. Artists who focused on making their audiences feel good, from Usher to Thomas Kinkade, were labeled "pep". Sure, there have been exceptions (say, Matisse’s The Dance), but it would not be a stretch to say that for the past century or so, serious art has been at war with happiness. In 1824, Beethoven completed the "Ode to Joy". In 1962, novelist Anthony Burgess used it in A Clockwork Orange as the favorite piece of his ultra-violent antihero. If someone titles an art movie Happiness, it is a good bet that it will be — as the 1998 Todd Solondz film was — about deeply unhappy people, including a telephone pervert and a pedophile. You could argue that art became more skeptical of happiness because modem times have seen such misery. But it’s not as if earlier times didn’t know perpetual war, disaster and the massacre of innocents. The mason, in fact, may be just the opposite: there is too much happiness in the world today. After all, what is the one modem form of expression almost completely dedicated to depicting happiness Advertising. The rise of anti-happy art almost exactly tracks the emergence of mass media, and with it, a commercial culture in which happiness is not just an ideal but an ideology. People in earlier eras were surrounded by reminders of misery. They worked gruelingly, lived with few protections and died young. In the West, before mass communication and literacy, the most powerful mass medium was the church, which reminded worshippers that their souls were in peril and that they would someday be meat for worms. On top of all this, they did not exactly need their art to be a bummer too. Today the messages your average Westerner is bombarded with are not religious but commercial, and relentlessly happy. Fast-food eaters, news anchors, text messengers, are all smiling, smiling, smiling, except for that guy who keeps losing loans to Ditech. Our magazines feature beaming celebrities and happy families in perfect homes. (Tolstoy clearly never edited a shelter mag.) And since these messages have an agenda — to pry our wallets from our pockets — they make the very idea of happiness seem bogus. "Celebrate !" commanded the ads for the arthritis drug Celebrex, before we found out it could increase the risk of heart attacks. It gets exhausting, this constant road to joy. If you’re not smiling — after we made all those wonderful pills and cell-phone plans — what’s wrong with you Not to smile is un-American. You can pick out the Americans in a crowd of tourists by their reflexive grins. The U. S. enshrined in its founding document the right to the pursuit of happiness. So we pursued it and — at least as commerce defines it — we caught it. Now, like the dog that chased and finally caught the car, we don’t know what the hell to do with it. We feel vaguely dissatisfied though we have what we should want, vaguely guilty for wanting it, vaguely angry because it didn’t come as advertised. People tsk-tsked over last month’s study in which women reported being happier watching TV than playing with their kids. But why shouldn’t they.’ This is how tile market defines happiness. Happiness is feeling good. Kids, those who exist outside ads, make you feel bad — exhausted, frustrated, bored and poor. Then they move away and break your heart. What we forget — what our economy depends on us forgetting — is that happiness is more than pleasure sans pain. The things that bring the greatest joy carry the greatest potential for Joss and disappointment. Today, surrounded by promises of easy happiness, we need someone to tell us that it is OK not to be happy, that sadness makes happiness deeper. As the wine-connoisseur movie Sideways tells us, it is the kiss of decay and mortality that makes grape juice into Pinot Noir. We need art to tell us: remember that you will die, that everything ends, and that happiness comes not in denying this but in living with it. It’s a message even more bitter than a clove cigarette, yet, somehow, a breath of fresh air. According to the passage, great art describes all of the following EXCEPT______.
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