此题为判断题(对，错)。
短文理解
听力原文： Spot transaction means the actual and variable amount of the currency of one country which at any given time, can be bought for a fixed sum in the currency of another country. It is a term meaning that these transactions are settled on the second working day from the date of the deal. For example, you buy $ 5,000.00 US dollars on October 10th( say Wednesday) , the purchased US dollars will value on October 12th.
21. What does spot transaction mean?
22.When are the spot transaction settled?
23.What's the value date for purchase of $ 5,000.00 US dollars in the passage?
(21)
A．It means that at any time you can buy currency of one country for another currency.
B．It means that the actual and variable amount of one currency can be bought for a fixed sum in another currency at any given time.
C．It means that any kind of currency can be bought at any time for another currency.
D．It means that the actual and fixed amount of the currency of one country at any time can be bought for a variable sum in the currency of another currency.
此题为判断题(对，错)。
此题为判断题(对，错)。
智慧树知到能源英语面面观章节测试答案第一章1 、 The Chinese equivalent of ESAP is（ ）. 科技英语通用英语通用学术英语专用学术英语答案: 通用学术英语2 、 The word “synergy” means（ ）based on its etymological explanation. 反感协同作用无 用 功 有效能量答案: 协同作用3、The word “oil” originally means “any kind of smooth greasy liquid” but later acquires the specific meaning of “petroleum”. This word-forming method is called（ ）. Generalization Specialization Extension Specification答案: Specialization4、Compounded words have four characteristics, among which（ ）refers to its spelling features.grammatical semantic phonological orthographical答案: orthographical5 、 Sour oil means oil that contains a relatively high proportion of（ ）. sulfurcarbon hydrogen oxygen答案: sulfur6 、 The sun energizes photosynthesis and brings about the energy called（ ）. physical energychemical energy kinetic energy geothermal energy答案: chemical energy7、Energy industry is the totality of all of the industries involved in the productionand sale of energy, including fuel extraction, manufacturing（, ）and distribution.refining defining retailingdecomposing答案: refining8、The underlined word “tap” means（ ）in the following sentenceOil is formed and then percolates up through cracks and porous rock to fill the reservoirs that humanstap to get oil.敲打轻拍利用开采答案: 开采9 、 Abbreviations can achieve brevity, conciseness, efficiency andeconomy. Therefore it is frequently used in the following domain EXCEPT（ ）.new reports academic papers business writing fiction writing答案: fiction writing10 、 Energy conversion efficiency () is the ratio between（ ）and（ ）. input, outputoutput, input consumption, production production, consumption 答案: input, output第二章1 、 ( ) is not a real coal, but only a precursor. PeatLignite Bituminous coal Anthracite答案: Peat2、China is the largest coal () country in 2017. importproduction export reserve答案: production3 、 A tale of two Europes means ( ). Northern Europe and Southern Europe Western Europe and Eastern Europesome countries in western Europe with coal exit and some countries in Eastern Europe not announcing coal phase-outpoor Europe and rich Europe答案: some countries in western Europe with coal exit and some countries in Eastern Europe not announcing coal phase-out4、The abiotic theory is developed in () during the Cold War, as it needed to be self sufficient in terms of producing its own energy.GermanyAmerica Soviet Union China答案: Soviet Union5 、 Slightly more than half of the worlds proven reserves are located in ( ). Latin AmericaAmerica Soviet Unionthe Middle East答案: the Middle East6、In China, most natural gas is distributed in (). plainsbasins mountains plateaus答案: basins7 、 Which of the following are fossil fuels? renewablenatural gas petroleum coal答案: nat、ural gas,petroleum,coal8、The most significant uses of coal are in (). electricity generationsteel production cement manufacturing liquid fuel答 案 : electricity generation,steel production,cement manufacturing,liquid fuel9、According to a report by British Petroleum (BP), Large supplies of coal are kno、wn to exist (proven reserves) or thought to be available in ( ).South America North America EuropeAsia答案: North America,Europe,Asia10、Across much of Asia, coal demand grows due to its (). affordabilitynonrenewable efficiency availability答案: affordability,availability11 、 In the argument about the or
A.A finalizer may NOT be invoked explicitly.
B.The finalize method declared in class Object takes no action.
C.super.finalize（）is called implicitly by any over riding finalize method.
D.The finalize method for a given objec twill be called no more than once by the garbage collector.
E.The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.
A petroleum liquid has a flash point of 85°F. This is a grade ______.
A.B flammable liquid
B.C flammable liquid
C.D combustible liquid
D.E combustible liquid
A petroleum liquid has a flashpoint of 85℃．This liquid is in IMDG Code classed as a ______．
A.Flammable liquid
B.Nonflammable liquid
C.Inflammable liquid
D.Disflammable liquid