利用电子设备产生的背景噪声掩蔽令人讨厌的噪声,以解决噪声控制问题,则该背景噪声称为( 发布时间:2017-06-23 02:06 │ 来源:www.tikuol.com 题型:填空题 问题: 利用电子设备产生的背景噪声掩蔽令人讨厌的噪声,以解决噪声控制问题,则该背景噪声称为()。该背景噪声通常被比喻为“()”或“()”。
题型:填空题 -Students should try to do a little studying every evening throughout the term, rather than study all night during the week before the exam. ---Exactly. __________. [ ]A. Slow but sure win the raceB. Delays are dangerous C. Practice makes perfectD. The early bird catches the worm 查看答案