皮皮学，免费搜题
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【单选题】
食品安全倍受关注，特别是近年来出现的三聚氰胺、瘦肉精、毒奶粉、皮革奶、毒馒头、毒生姜等事件再次暴露出我国食品生产、加工等环节上存在的问题，因此国家应加强监管，广大生产者应该合法经营，诚信经营．下列关于食品安全的说法、做法正确的是（ ） ①选用食品应该选做了广告的． ②牛奶含有多种营养成分，但不是所有的人都适合喝牛奶 ③买食品时要仔细查看商品标签，食品标签中必须标注：产品名称、配料表、净含量、厂名、厂址、保质期、产品标准号等．不买标签不规范的产品． ④现代生物技术培养高产作物品种 ⑤多用农药、化肥提高作物产量．A.
②③⑤
B.
①②④
C.
②③④
D.
②④⑤
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皮皮学刷刷变学霸
举一反三
【判断题】The thing the author likes about the Internet is that he is able to communicate with people all over the world.
A.
正确
B.
错误
【简答题】植物组织培养按培养基的物理状态分为()培养基和()培养基
【简答题】What is the thing the author complains about? There is something wrong with ? .
【单选题】What is the thing that the author uses to describe grammar?
A.
the road map
B.
an excellent car
C.
tree and flowers
【单选题】What is the thing the author loved most about Bill? Is the thing just a tremendous excitement?
A.
Bill's entrepreneurial spirit.
B.
Bill's tremendous excitement.
C.
Bill's love.
D.
Bill's enthusiasm.
【判断题】To the author, the best thing that shows how a man is full of contradictions is the matter of sleep.()
A.
正确
B.
错误
【单选题】What is the thing that the author uses to describe vocabulary?
A.
the road map
B.
a well-conditioned car
C.
tree and flowers
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