2015年职称英语考试《理工类》A级阅读理解范题精讲(2）_职称英语阅读理解

　　2.A hyperlens is a more powerful tool than a traditional lens

　　A.as it can allow scientists to see small things.

　　B.as it can help photographers to capture images far away.

　　C. even if it is made of ordinary materials.

　　D.as it can help scientists to see even the wavelengths of visible light.

　　3.Scientists at the Polytechnic University of Valencia try to invent

　　A.an acoustic cloak that can shuffle waves of light.

　　B.an invisible cloak that can shuffle waves of sound.

　　C.an acoustic cloak that can shuffle waves of sound.

　　D.a cloak that is made of materials found in nature.

　　4.According to Sanchez-Dehesa，

　　A.it is of great possibility to build an acoustic cloak soon.

　　B.it is possible to build an acoustic cloak in theory but far from reality.

　　C.it is totally impossible to build an acoustic cloak.

　　D.it is theoretically impractical to build an acoustic cloak.

　　5.What ways are some scientists looking into to protect the island and oil rig from tsunamis?

　　A.Surround them with metamaterials as protective shields.

　　B.Stopping the tsunami with metamaterials hours before it reaches them.

　　C.Building them with larger metamaterials to keep away tsunamis.

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