首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Why does cream go bad faster than butter? Some researchers think that it comes down to the structure of the food, not its chemic
Why does cream go bad faster than butter? Some researchers think that it comes down to the structure of the food, not its chemic
admin
2010-05-09
57
问题
Why does cream go bad faster than butter? Some researchers think that it comes down to the structure of the food, not its chemical【B1】_______ --a finding that could help rid some processed foods of chemical preservatives.
Cream and butter contain much the same【B2】_______ , so why cream should sour much faster has been a【B3】_______ . Both are emulsions--tiny globules of one liquid evenly【B4】_______ throughout another. The difference lies in what’s in the globules and what’s in the surrounding. In cream, fatty globules drift about in a sea of water. In butter, globules of a watery【B5】_______ are locked away in a sea of fat. The bacteria which make the food go bad prefer to live in the watery regions of the【B6】_______ . This means that in cream, the bacteria are free to grow throughout the mixture. When the situation is【B7】_______ , the bacteria are locked away in【B8】_______ buried deep in the sea of fat.【B9】_______ . They also slowly poison themselves with their waste products.
In butter, there is a self-limiting system which stops the bacteria from growing.【B10】_______ . It is believed that it will be possible to make the emulsions used in salad cream, for instance, more like those in butter.【B11】_______ .
【B7】
选项
答案
reversed
解析
转载请注明原文地址:https://kaotiyun.com/show/GZOK777K
0
大学英语六级
相关试题推荐
A、Twelvechildren.B、Everypairofstatementsincludesapositiveoneandanoppositeone.C、Investment.D、Impressionsandtheir
What’speople’sresponsetoaneutralstimulus?Theword"amygdala"(Para.4)probablyreferstotheareainthebrainthat____
Alltheworld’smostsuccessfulCEOshavetoomuchtodoandtoolittletimetohavetheirpersonallife.Winstondeclaresthat
Whatistheultimateeffectofwearingauniformontheindividual?Whatindustrycouldbemostdirectlyandseriouslyaffected
A、Exploration.B、Increaseoilproduction.C、Alternativesourcesofenergy.D、Notofaboveall.DWhatshouldbethekeytotheen
A、Thedemandforrecycledmaterialsshouldbeincreased.B、Newtechnologyisneeded.C、Thepublicshouldknowmoreaboutrecycli
A、Whenwritershaveafreechoiceofsubject.B、Whenwritersarewritingsomethingtheirreadersknow.C、Whenwritersaredoing
A、British.B、Americans.C、Germans.D、Japanese.CWhofirstlyusedflexibleworkinghours?信息明示题。由文章开头可知,灵活工作时间机制由德国人发明,所以C正确。
A、Itdoesn’tmoveatall.B、Itmovesmuchfasterthanregularlines.C、It’snexttotheregularlines.D、It’sherfavorite.BWha
BluetoothWhenyouusecomputers,entertainmentsystemsortelephones,thevariouspiecesandpartsofthesystemsmakeupa
随机试题
β受体阻滞剂治疗高血压的禁忌证是
多数蛛网膜下腔出血患者防止再出血的最根本、最关键的方法是
王某,女,72岁。反复咳嗽,咯痰15年,加重3天而入院。现咳嗽气促,痰多色黄质稠,咯吐不爽,胸胁胀满,咳时引痛,身热,口干欲饮。舌质红,苔黄腻,脉滑数。检查:双下肺可闻及湿啰音,胸片示双肺纹理增粗紊乱。宜选用方
细菌性肝脓肿病人最常见的早期症状是()。
人体食管的长度约为
下列关于乙与丙签订的《内部承包协议》的说法,何者正确?下列关于合同解除的说法,何者正确?
低压短路电流的简便计算方法是什么?
关于费用的分类说法正确的是( )。
中国共产党在过渡时期的总路线,是党和毛泽东根据列宁关于过渡时期学说,是在借鉴苏联经验,总结我国国民经济恢复时期实践经验的基础上提出来的。它符合中国由新民主主义向社会主义转变的历史必然性,具体表现为
设f(x)可导且在x=0处连续,则a=_______
最新回复
(
0
)