2012年职称英语考试理工类A级预测模拟题(二).doc

2012年职称英语考试理工类A级预测模拟题（二） 　　第1部分：词汇选项（第1～15题，每题1分，共15分） 下面每个句子中均有1个词或短语划有底横线，请为每处划线部分确定1个意义最为接近选项。1. I want to provide my boys with a decent education. A． B． C． D．2. Lower taxes would spur investment and help economic growth. A． B． C． D．3. Steep stairs can present a particular hazard to older people. A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D．A． B． C． D． 第2部分：阅读判断（第16~22题，每题1分，共7分） 下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A；如果该句提供的是错误信息，请选择B；如果该句的信息文中没有提及，请选择C。 overcome if the technology is to be used widely． A start-up company called Solaren is designing the satellites，which it says will use radio waves to beam energy down to a receiving station on Earth． The attraction of collecting solar power in space is the almost uninterrupted sunshine available in geosynchronous(与地球同步的)orbit．Earth-based solar cells，by contrast，can only collect sun Light during daytime and when skies are clear． But space-based solar power must grapple(努力克服)with the high cost per kilogram of launching things into space，says Richard Schwartz of Purdue University in West Lafayette，Indiana， If youre talking about it being economically viable or power of the Earth，its a tough go．he says. Cal Boerman，Solarens director of energy services，says the company designed its satellites with a view to keeping launch costs down．We knew we had to come up with a different，revolutionary design，he says．A patent the company has won describes ways to reduce the system’s weight，including using inflatable minors to focus sunlight on solar cells，so a smaller number can collect the same amount of energy． But using minors introduces other challenges，including keeping the solar cells from overheating，says Schwartz．You have to take care of heat dissipation(散发)because youre now concentrating a lot of energy in one place，he says．According to the companys patent，Solarens solar cells will be connected to