禽流感病毒因其极不耐高温,70度煮一段时间就可以灭活,所以并非想象中可怕。()
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在食品的生产、运输过程中没有加入对人体危害的有毒有害物质,这一说法是狭义的食品安全概念。()
A. 对
B. 错
冷链的无缝连接是指冷藏食品绝对的冷链运输。()
A. 对
B. 错
According to the text, by watching movies with native English speakers again and again, you will easily learn.
A. your coursework
B. new vocabulary
C. slang terms
D. many stories
The first step to get the most out of movies is to.
A. try your best to improve your accent
B. choose a movie that you like very much
C. work hard to train your ears
D. understand the movie story very well
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