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(单词翻译:双击或拖选)
Lesson Eighteen
听力部分
Dictation: Please prepare your paper and pen.
___________ is always a _____________ for every _____. The ______________ of ____ contamination and ______________of food-borne _______ underscore the ____ for _________ in ______________ of ____. Most ______, ______ and _________________ can be _________by ______ foods to the __________________, then holding them ___________________, or _____, long enough to ____ the toxins1. Any ____ of ______-______, _______ or _____---________________ that ____ food-borne ______.
点击收听单词发音
1 toxins | |
n.毒素( toxin的名词复数 ) | |
参考例句: |
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