The price of oil has had an unnerving ability to blow up the world economy, and the Middle East has often provided the spark. Th

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问题     The price of oil has had an unnerving ability to blow up the world economy, and the Middle East has often provided the spark. The Arab oil embargo of 1973, the Iranian revolution in 1978-79 and Saddam Hussein’s invasion of Kuwait in 1990 are all painful reminders of how the region’s combustible mix of geopolitics and geology can wreak havoc. With protests cascading across Arabia, is the world in for another oil shock?
    There are good reasons to worry. The Middle East and North Africa produce more than one-third of the world’s oil. Libya’s turmoil shows that a revolution can quickly disrupt oil supply. Even while Muammar Qaddafi hangs on with delusional determination and Western countries debate whether to enforce a no-fly zone, Libya’s oil output has halved, as foreign workers flee and the country fragments. The spread of unrest across the region threatens wider disruption.
    The markets’ reaction has been surprisingly modest. The price of Brent crude jumped 15% as Libya’s violence flared up, reaching $120 a barrel on February 24th. But the promise of more production from Saudi Arabia pushed the price down again. It was $116 on March 2nd—20% higher than the beginning of the year, but well below the peaks of 2008. Most economists are sanguine: global growth might slow by a few tenths of a percentage point, they reckon, but not enough to jeopardise the rich world’s recovery.
    That glosses over two big risks. First, a serious supply disruption, or even the fear of it, could send the oil price soaring. Second, dearer oil could fuel inflation—and that might prompt a monetary clampdown that throttles the recovery. A lot will depend on the skill of central bankers.
    So far, the shocks to supply have been tiny. Libya’s turmoil has reduced global oil output by a mere 1%. In 1973 the figure was around 7.5%. Today’s oil market also has plenty of buffers. Governments have stockpiles, which they didn’t in 1973. Commercial oil stocks are more ample than they were when prices peaked in 2008. Saudi Arabia, the central bank of the oil market, technically has enough spare capacity to replace Libya, Algeria and a clutch of other small producers. And the Saudis have made clear that they are willing to pump.
    Yet more disruption cannot be ruled out. The oil industry is extremely complex: getting the right sort of oil to the right place at the right time is crucial. And then there is Saudi Arabia itself. The kingdom has many of the characteristics that have fuelled unrest elsewhere, including an army of disillusioned youths. Despite spending $36 billion so far buying off dissent, a repressive regime faces demands for reform. A whiff of instability would spread panic in the oil market.
    Even without a disruption to supply, prices are under pressure from a second source: the gradual dwindling of spare capacity. With the world economy growing strongly, oil demand is far outpacing increases in readily available supply. So any jitters from the Middle East will accelerate and exaggerate a price rise that was already on the way.
The first word of Paragraph 4 "That" refers to______.

选项 A、most economists’ optimism
B、rich world’s recovery
C、global growth
D、modest market reaction

答案A

解析 属细节题。本题可以根据原文第三段和第四段的段落大意推测,文章第三段最后提到了大多数经济学家对此次油价上涨持乐观态度,但是文章第四段提到这种看法掩盖了两大危险,说明文章第四段的“that”指代的是大多数经济学家的乐观态度,故选项A正确。其他选项均不合文意。
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