博大考神201年职称英语考试理工类A级试题阅读理解.doc

博大考神2012年职称英语考试理工类A级试题阅读理解 收集：博大教育专家 来源：/article-5945.html?page=4 第四部分：阅读理解(第31~45题，每题3分，共45分) 　　下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。 　　第一篇 Small But WiseOn December 14，NASA blasted a small but mighty telescope into space.The telescope is called WISE and is about as wide around as a trashcan.Dont let its small size fool you：WISE has a powerful digital camera，and it will be taking pictures of some the wildest objects in the known universe，including asteroids，faint stars，blazing galaxies and giant clouds of dust where planets and stars are born. 　　“Im very excited because were going to be seeing parts of the universe that we havent seen before，” said Ned Wright，a scientist who directs the WISE project. 　　Since arriving in space，the WISE telescope has been circling the Earth，held by gravity in a polar orbit(this means it crosses close to the north and south poles with each lap).Its camera is pointed outward，away from the Earth，and WISE will snap a picture of a different part of the sky every 11 minutes.After six months it will have taken pictures across the entire sky. 　　The pictures taken by WISE wont be like everyday digital photographs，however.WISE stands for “Wide-field Infrared Survey Explorer.” As its name suggests，the WISE camera takes pictures of features that give off infrared radiation. 　　Radiation is energy that travels as a wave.Visible light，including the familiar spectrum of light that becomes visible in a rainbow，is an example of radiation.When an ordinary digital camera takes a picture of a tree，for example，it receives the waves of visible light that are reflected off the tree.When these waves enter the camera through the lens，theyre processed by the camera，which then puts the image together. 　　Waves of infrared radiation are longer than waves of visible light，so ordinary digital cameras dont see them，and neither do the eyes of human beings.Although invisible to the eye，longer infrared radiation can be detected as warmth by the skin. 　　Thats a key id