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【多选题】
按照标准规定的内容,常见的标准有()。
A.
安全标准
B.
基础标准
C.
技术标准
D.
卫生标准
E.
工作标准
拍照语音搜题,微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【多选题】Food freezing systemscan be divided in to two systems,inclued .
A.
indirect-contace systems
B.
direct-contace systems
C.
a plate freezing system
D.
a scraped-surface continuous freezing systems
【简答题】阅读理解。 It was about 11:15 pm on the passenger ship California. The night was freezing cold and the water was filled with ice from the North Pole, it difficult for the ship to sail on. In the rad...
【简答题】《 》记载春秋时期的史事,以记言为主。
【判断题】A key factor in food freezing is how fast the food is frozen.
A.
正确
B.
错误
【判断题】春秋以记言为主。
A.
正确
B.
错误
【判断题】Freezing can improve the quality or texture of any food.
A.
正确
B.
错误
【单选题】在体积为 V ,绝热良好的刚性密闭容器中发生一化学反应,结果系统的温度升高、压力增大,该过程的 △H ( )(天津大学)
A.
=0
B.
>0
C.
<0< /div>
D.
无法确定
【简答题】春秋战国时代的历史散文大致沿记事与记言两个方向发展。《尚书》中的记言成分,后来发展为以记言为主的《()》;侧重记事的《春秋》则发展成为以记事为主的《左传》;而将记言与记事趋向结合发展成为《()》。
【单选题】Warm­blooded animals live an active life even in freezing winter,which helps them to ________ their normal body temperature.
A.
keep up
B.
build up
C.
bring up
D.
pick up
【单选题】In food freezing, there are some factors which damage the food quality, because of .
A.
the growth of ice crystals
B.
the migration of moisture from cells
C.
the increase of solute concentration
D.
all above
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