Saturday-2020-2021学年高二英语期末备考语法填空周周练

Saturday 正确 INCLUDEPICTURE "C:\\Users\\dell\\AppData\\Local\\Temp\\SGPicFaceTpBq\\16372\\00BBA2D9.png" \* MERGEFORMATINET _______ 错误 _______ A （2020. 黑龙江省大庆铁人中学高二期中）Senior citizens are the first to come to our mind when you think of hearing loss,  but in a recent report,  hearing professionals worry teenagers will soon outnumber aging adults ___1___ it comes to living with hearing loss. The rise in popularity of personal audio devices from iPods to smart phones has had dangerous effect on the ears of those who use them most,  teenagers! A research ___2___ (conduct) by the World Health Organization finds that nearly 50% of teens ___3___ (fall) into the habit of exposing themselves to unsafe levels of sound so far. A sound is considered unsafe when it goes beyond 85 decibels (分贝). At that level, it takes just 8 hours of listening over your lifetime to cause damage. The louder the sound is, the ___4___ (little) time it takes to cause damage. Because hearing loss is ___5___ (typical)