Which traversal method for a binary tree does the following Pascal code illustrate Procedure traverse(p:pointer); Begin Ifp<>NIL Then begin Traverse (p^.left); Process(p); Traverse(p^.right) End; End_
A. pre_order
B. middle_order
C. none
D. last_order
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______多应用于大型体育场馆建筑。
A. 大跨度空间结构
B. 简体结构
C. 剪力墙结构
D. 框架一剪力墙架构
2010年上半年,某省建筑企业2337家,比上年同期增加22家,有工作量的企业1182家,比上年同期减少17家。该省建筑业总产值实现322.4亿元,比上年同期增长32.9%,高于全国增幅9.6个百分点,增幅在全国排第五位,是近五年来的最高涨幅。其中:国有及国有控股完成154.1亿元,比上年同期增长31.1%;竣工产值完成48.6亿元,比上年同期增长26.5%。建筑业增加值实现109.8亿元,按现价计算比上年同期增长16.9%。全省计算建筑业劳动生产率的平均人数38.6万人,比上年同期增长4.4%。 建筑、其他产值同步发展,安装产值增幅略有下降。上半年,建筑工程产值完成268.9亿元,比上年同期增长41.1%,占建筑业总产值比重为78.8%,比上年同期上升1.6个百分点;安装工程产值完成44.3亿元,比上年同期下降1.6%,占总产值比重为18.5%,比上年同期下降3.2个百分点;其他产值8.2亿元,比上年同期增长29.1%,占总产值比重为2.6%,比上年同期上升1.5个百分点。 上半年,该省建筑业企业在外省完成的产值31.5亿元,比上年同期下降21.2%,占建筑业总产值比重为9.8%。有16个省、市的产值呈下降态势,其中在上海、河南、江苏、福建、甘肃、宁夏、青海等省市完成的产值下降50%以上。 2010年上半年,该省建筑业企业在外省完成的产值占建筑业总产值比重与去年同期相比( )。
A. 上升16.5个百分点
B. 下降6.7个百分点
C. 下降16.5个百分点
D. 上升6.7个百分点
下列关于广义信贷期限的说法,不正确的是( )。
A. 银行承诺向借款人提供以货币计量的信贷产品的整个期间
B. 从签订合同到合同结束的整个期间
C. 从具体信贷产品发放到约定的最后还款或清偿的期限
D. 贷款期限通常分为提款期、宽限期和还款期
If you made a list of all the jobs performed by the different kinds of energy, you would fill many pages. Nuclear energy is used in some areas of the United States. But there are dangers. Waste materials from nuclear (51) would destroy life if they leaked (52) the land. When nuclear energy is produced, a lot of (53) is produced, too, so a flow of lake or ocean water is used to cool the operations. Then the water (54) to its source. If the returning water were too hot, it would destroy fish and other (55) . Cow manure is being used to produce a kind of (56) . The manure from farms is put into a machine to convert it to a liquid. Then the gas is formed (57) a natural process. If the converter were not so (58) at the present time, it would be used in many places to provide (59) . Garbage has become an energy source. It (60) to oil, steam, or electricity, or it is used on the land. But recent (61) about power supplies has led to increased interest in the use of wind (62) a source of electrical power. Windmills are clean and they (63) no waste. And they use a (64) resource. Some scientists consider that wind energy systems can fulfill a valuable (65) in meeting the energy needs of industrialized nations and of the developing world.
A. high temperature
B. hot air
C. heat
D. warmth