最容易被苯并(a)芘污染的食品,常见的有哪几种
A.红肠
B.牛餐肉
C.烤羊肉串
D.腊肉
E.以上都是
参考答案:C
解析:最容易被苯并(a)芘污染的食品是熏烤动物食品类。
将所给单词连成完整、正确的句子。(每小题2分,共10分)
1. what today weather the like is
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2.he around looked me at turned and
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3 can’t without live animals plants
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4 covers are boxes of the glass special made
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5of some scared are dogs girls
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渣口套严重破损时,出水管的表现有()或断水、窜火或窜水渣。