Lesson Fourteen
听力部分
Dictation: Please prepare your paper and pen.

We keep ____ in the _________ to ______ its _______ and ___________. ________________ keep _________ and inhibit the _____ of most ______. However, ____ spoilage microorganisms can still ____ and _______ slowly ________, so there is __________ the ______ of ___ various foods will _________ in the refrigerator. Eventually food will begin to ____ or ____ bad and ___________________.