diamond （）

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• As you approach mile 427.6 AHP，you see on the right side a white buoy with orange bands and diamond. This buoy marks（）.

  A . a cable crossing B . a sunken barge C . a submerged discharge pipe D . the end of a wharf

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• You see a vessel carrying a black diamond which indicates a（）.

  A . vessel towing astern B . barge pushed ahead C . vessel towing astern only when the length of her tow exceeds 200 meters D . this signal does not exist in international water

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• DiAmonD是：（）。

  A . 自然元素矿物 B . 可以是水热法合成的 C . 与石墨是类质同像 D . 有六方晶系2H型的多型变体称为六方金刚石

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• By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.

  A . vessel trolling B . mineclearing vessel C . trawler D . vessel engaged in replenishment at sea

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• Diamond( ) in Brazilian 1971.

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• India is the world’s largest _________ and _____________ of diamonds while Russia is the largest ___________.

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• Porter ’ s Diamond is made up of all of the following except

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• People usually buy a diamond ring when they get ___________.

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• Diamonds have little _____ value and their price depends almost entirely on their scarcit

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• In _____ ( 回顾 ), I found students seem to prefer the reading materials closely related to current events and culture, such as the Queen’s Diamond Jubilee celebrations.

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• 如下程序段，在划线处填写语句并写出card变量的值。enum { club，diamond，heart，spade } card;card=heart;printf ( “___________ \\n”,card);

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• As of 2014, there are 2 acts who won 6 diamond awards. The two acts are______.

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• A white buoy with an open-faced orange diamond on it indicates （).A.dangerB.vessels are ex

  A white buoy with an open-faced orange diamond on it indicates (). A.danger B.vessels are excluded from the area C.the buoy is a mooring buoy D.operating restrictions are in effect

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• In the sentence "The diamond department was the heart and center of the store", "was"

  In the sentence "The diamond department was the heart and center of the store", "was" is the vehicle.() 此题为判断题(对，错)。

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• Transforming carbon into diamonds in the laboratory is______.

  A．more illogical than turning plain lead or iron into gold B．less logical than turning plain lead or iron into gold C．not so illogical as turning plain lead or iron into gold D．as illogical as turning plain lead or iron into gold

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• Do not look down upon his! I am sure he is a diamond in the rough（）

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• In order to help to form. shiny crystals of diamonds the carbon needed______.

  A．to act as a catalyst B．to be in different forms C．to have a pressure chamber D．to be dissolved in a melted metal

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• Passage TwoQuestions 57～61 are based on the following passage. What’s hot for 2007 among the very rich？ A ＄7. 3 million diamond ring. A trip to Tanzania to hunt wild animals. Oh, and income inequality.

  Sure, some leftish billionaires like George Soros have been railing against income inequality for years. But increasingly, centrist and right-wing billionaires are starting to worry about income inequality and the fate of the middle class. In December, Mortimer Zuckerman wrote a column in U. S. News & World Report, which he owns. “Our nation’s core bargain with the middle class is disintegrating, ”lamented （哀叹） the 117th-richest man in America. “Most of our economic gains have gone to people at the very top of the income ladder. Average income for a household of people of working age, by contrast, has fallen five years in a row. ” He noted that “Tens of millions of Americans live in fear that a major health problem can reduce them to bankruptcy. ” Wilbur Ross Jr. has echoed Zuckerman’s anger over the bitter struggles faced by middle-class Americans. “It’s an outrage that any American’s life expectancy should be shortened simply because the company they worked for went bankrupt and ended health-care coverage,” said the former chairman of the International Steel Group. What’s happening？ The very rich are just as trendy as you and I, and can be so when it comes to politics and policy. Given the recent change of control in Congress, the popularity of measures like increasing the minimum wage, and efforts by California’s governor to offer universal health care, these guys don’t need their own personal weathermen to know which way the wind blows. It’s possible that plutocrats（有钱有势的人）are expressing solidarity with the struggling middle class as part of an effort to insulate themselves from confiscatory（没收性的）tax policies. But the prospect that income inequality will lead to higher taxes on the wealthy doesn’t keep plutocrats up at night. They can live with that. No, what they fear was that the political challenges of sustaining support for global economic integration will be more difficult in the United States because of what has happened to the distribution of income and economic insecurity. In other words, if middle-class Americans continue to struggle financially as the ultrawealthy grow ever wealthier, it will be increasingly difficult to maintain political support for the free flow of goods, services, and capital across borders. And when the United States places obstacles in the way of foreign investors and foreign goods, it’s likely to encourage reciprocal action abroad. For people who buy and sell companies, or who allocate capital to markets all around the world, that’s the real nightmare. 第57题：What is the current topic of common interest among the very rich in America？ A．The fate of the ultrawealthy people. B．The disintegration of the middle class. C．The inequality in the distribution of wealth. D．The conflict between the left and the right wing

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• The synthetic crystal of diamond______.

  A．could not even cut glass B．was made at the temperature of 900℉ C．gave off carbon dioxide when it was under X-rays D．is not like the real diamond in atomic structure

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• diamond（）

  A．vt.&n.要求；期望 B．n.钻石，金刚石；纸牌中的方块 C．n.快乐；乐事 D．vt.装饰…，修饰

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• 钻石的矿物名称是（），它的英文名字是“Diamond

  A．氧化锆 B．金刚石 C．刚玉 D．氧化硅 此题为多项选择题。

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• The structures of diamond and graphite are shown. Which statement about diamond and graphite is not correct （）

  A．Diamond is used in cutting tools because the strong covalent bonds make it very harD B．Graphite acts a lubricant because of the weak bonds between the layers． C．Graphite conducts electricity because the electrons between the layers are free to move D．Graphite has a low melting point because of the weak bonds between the layers．

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• It is no use ____ to sell diamonds to the people of a poor country.

  A．to try B．try C．trying D．tried

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• She （)her diamond earrings by wearing her hair in a bun.

  A.flaunt B.flout

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