职称英语理工类AB级阅读理解经典练习题(2)

　　Crystal Ear 　　Jill was right. Crystal Ear is different-not the old-styled body worn or over-the-ear aid, but an advanced personal sound system so small that its like contacts for your ears. And Crystal Ear is super-sensitive and powerful, too. You will hear sounds your ears have been missing for years. Crystal Ear will make speech louder, and the sound is pure and natural. 　　Hearing loss, which occurs typically prior to teenage years, progresses throughout ones lifetime. Although hearing loss is now the worlds number one health problem, nearly 90 percent of people suffering hearing loss choose to leave the problem untreated. For many millions, treating hearing loss in a conventional way can involve numerous office visits, expensive testing and adjustments to fit your ear. Thanks to Crystal Ear, the sound solution is now convenient. Almost 90 percent of people with mild hearing loss, and millions more with just a little hearing drop-off , can be dramatically helped with Crystal Ear. Moreover, its superior design is energy-efficient, so batteries can last months. Crystal Ear is now available to help these people treat their hearing loss with a small hearing amplifier . 　　A it would make him look old. 　　C it was too expensive.