各类食品的贮存都要考虑其保存方法，食品保存的原理是_刷题宝

题干

各类食品的贮存都要考虑其保存方法，食品保存的原理是（　　）

A：把食品密封就行了　　

B：把食品煮熟、高温消毒就可以了

C：把食品内的细菌和真菌杀死或抑制它们的生长繁殖就可以了

D：把食品放到冰箱内就可以了

上一题下一题 0.0难度选择题更新时间:2015-02-03 07:54:26

答案(点此获取答案解析）

C

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下列调查，样本具有代表性的是（　　）

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We visited the museum last week. We saw many ____(work) of art from the world.

同类题3

鱼鳔的主要作用（）

同类题4

根据对话内容，在空白处填入恰当的句子，使对话完整、通顺。

A：Frank，have you seen the exhibits(展览品)at the art museum?

B：____．What about you?

A：I went there last Sunday．I saw a lot of great paintings．

B：____?

A：Yes．It was so crowded that it was hard to see everything．

B：Did you see many paintings by famous artists?

A：Yes．Michelle T's paintings were there．

B：I like her work．____?

A：I'd love to, but I am busy these days．You can ask Joe．____．

B：OK．And he's interested in art, right?

A：____．

同类题5

请据图分析判断下列说法是否正确

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