王强口语 第二册 Dictation 018

　　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 ______.

1 toxins   

n.毒素( toxin的名词复数 )

参考例句：

• The seas have been used as a receptacle for a range of industrial toxins. 海洋成了各种有毒工业废料的大容器。
• Most toxins are naturally excreted from the body. 大部分毒素被自然排出体外。 来自《简明英汉词典》