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Child－rearing in America. ／Child raising in America.()
此题为判断题(对，错)。
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the world will face an average temperature____ of around 3°C this century.
A、risingB、riseC、raiseD、raising
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We have avoided () our prices for as long as possible, but we can no longer prolong the inevitable。A、to riseB、to raiseC、risingD、raising
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You must be responsible for all the losses()from your delay in opening the covering L／C.
A、risingB、arisingC、arousingD、raising
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在设计一个 MDI 应用程序时，假设主窗体的 Name是MainForm，而子窗体的定义是Child:TChildForm，那么应该采取下面哪种方法来生成子窗体？（ ）Ａ.Child:=TChildForm.Create(Nil)Ｂ.Child:=TChildForm.Create(TApplication)Ｃ.Child:=TChildForm.Create(MainForm)Ｄ.Child:=TChildForm.Create(TMainform)
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Renewable Energy SourcesToday petroleum provides around 40%of the world's energy needs,mostly fuelling automobiles .Coal is still used,mostly in power stations,to cover one-quarter of our energy needs,but it is the least efficient,unhealthiest and most environmentally damaging fossil fuel.Natural gas reserves could plug some of the gap from oil,but reserves of that will not last into the 22nd century either.Most experts predict we will exhaust easily accessible reserves within 50 years.We could fasi reach an energy crisis.We need to rapidly develop sustainable solutions to fuel our future.Lesspolluting renewable energy sources offer a more practical long-term energy solution.They may benefit the world's poor too."Renewable"refers to the fact that these resources are not used faster than they can be replaced.The Chinese and Romans used watermills over 2,000 years ago. But the first hydroelectric dam was built in England in 1870.Hydroelectric power is now the most common form of renewable energy,supplying around 20%of world electricity. China's Three Gorges Dam,which has just been completed,is the largest ever. At five times the size of the US's Hoover Dam,its 26 turbines will generate the equivalent energy of 1 8 coal-fired power stations.It will satisfy 3%of China's entire electricity demand.Surprisingly,some argue that hydroelectric dams significantly contribute green- house gases.In 2003,the first commercial power station to harness tidal currents in the open sea opened in Norway .It is designed like windmill,but others take the form of turbines.As prices fall,wind power has become the fastest growing type of electricity generation-quadrupling worldwide between 1999 and 2005 .Modern wind farms consist of turbines that gener- ate electricity.Though it will be more expensive,there is more than enough wind to provide the world's entire energy needs. Wind farms come in onshore and offshore forms.They can often end up at spots of natural beauty,and are often unpopular with residents.And turbines are not totally benignthey can interfere with radar and leave a significant ecological footprint,altering climate and killing sea birds.Migrating birds may have more luck avoiding them.Scotland is buildingEurope's largest wind farm,which will power 200,000 homes.The UK's goal is to generate one- fifth of power from renewable sources,mainly wind,by 2020 .But this may cause problems,be- cause wind is unreliable. Which is the country with the first commercial power station that makes use of ocean currents produced by tides?A: China.B: Norway.C: England.D: America.
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关于肝癌的Child-Pugh分级法解释中，以下哪条是错的？A．Child-Pugh分级法，总分在5分以下为肝功能正常B．Child-Pugh分级法A级5~6分，手术危险性不大C．Child-Pugh分级法B级7~9分，手术危险性中等；D．Child-Pugh分级法C级10~15分，手术危险性很大E．Child-Pugh分级法也就是外科肝功能分级法
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只隐藏第一个列表项li左侧的竖线，以下方法正确的是（）A．li:first-child{border:0;}B．li:first-child{border-left-width:0;}C．li:nth-child(0){ border:0;}D．li:nth-child(0){ border-left-width:0;}
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下面选择父元素的第1个子元素的是（)A．E:nth-last-child(1)B．E:nth-child(1)C．E:last-childD．E:only-child
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