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
To preserve food, the growth of bacteria (细菌) must be controlled. Water, warmth, and food are all needed for bacteria to become
To preserve food, the growth of bacteria (细菌) must be controlled. Water, warmth, and food are all needed for bacteria to become
admin
2010-06-03
51
问题
To preserve food, the growth of bacteria (细菌) must be controlled. Water, warmth, and food are all needed for bacteria to become strong and healthy. Some kinds of bacteria need air, but other kinds grow only when air is absent. Extremes of temperature, either hot or cold, can kill bacteria.
Before electric ice boxes were invented, freezing and cooling were limited by the cold climate. In warmer regions, food was cooled by putting it in the shade, in cold water from the well, or in pits in the ground.
Cooking will usually kill bacteria if the temperature is high enough and long enough. Certain methods of cooking remove water, and this aids in preserving food. Drying is the oldest and most common method of preserving food. Food can be dried by the sun, by heat or by combination of the two.
Salt was used by many hunting people. When people began to cat vegetables, salt be came a needed part of their life. Salt helps to preserve food because it slows or stops bacteria growth. Other chemicals besides salt are used in preserving foot. Some people oppose the use of chemicals in food. They say that these chemicals may harm people if the chemicals can harm bacteria.
Cooking is an effective way in preserving foods because .
选项
A、cooking always kills the bacteria in food
B、cooking can make the food become dry
C、the light in cooking can kill bacteria
D、under the right conditions, cooking will kill bacteria
答案
D
解析
根据题干中的关键同Cooking定位到第三段第一、二句Cooking will usually kill bacteria if the temperature is high enough and long enough. Certain methods of cooking remove water,and this aids in preserving food.可知,如果温度够高时间够长的话,烹饪法通常能够杀死细菌。某些烹饪方法能去掉食物的水分,这也有助于保存食物。因此,在一定的条件下(如果温度够高时间够长的话),烹饪法能保存食物、
转载请注明原文地址:https://kaotiyun.com/show/UWlK777K
本试题收录于:
大学英语三级A级题库大学英语三级分类
0
大学英语三级A级
大学英语三级
相关试题推荐
Whatwillthesuccessfulapplicantbepaid?TopLondonratesandprovidedwith______.Aftershesmelledcigarettesmoke,what
WheredidTimfirstwork?Hefirstworked______.Whydoeshefeelproud?Becausehehashelpedtomakethepark______.
A、It’snotimportanthowhedances.B、It’stoocrowdedtodanceaway.C、Ifhe’scareful,noonewillnotice.D、Nooneknowsthe
Inordertoimproveourspeaking,whatshouldwedo?Weshould______toourclassmatesandEnglishteachersdaily.Whatcan
Whichstatementiscorrectaccordingtothepassage?Whenthemaleelephantbecomesan.adult,______.
A、Anairhostess.B、Anairlineclerk.C、Anoperator.D、Anairlinemanager.B问女士的职业是什么?选项B“机场工作人员”是正确答案。
Idon’trememberever(talk)______illbehindyourback,
Sam:WasthedrivingpleasantwhenyouwenttoMexicolastsummer?Lili:No,it______forfourdayswhenwearrived,sotheroad
Doyouthinkhespilledthesoup______purposesothathewouldn’thavetoeatit?
InChina,particularlyinthecountryside,asthesecuritysystemisfragileorevennonexistent,someoldparentshavenoother
随机试题
FitnessMagazinesFitnessisafunnybusiness.Onecanonlygetin【W1】________throughmotion.Butmanypeoplespend【W2】____
Word2010中,当涉及复杂的数据关系时,可调用Excel电子表格。
有一玻璃劈尖,置于空气中,劈尖角θ=8×10-5rad(弧度),用波长λ=589nm的单色光垂直照射此劈尖,测得相邻干涉条纹间距l=2.4mm,此玻璃的折射率为()。
单位总是要求员工周末加班,你很不情愿。但单位的事情实在是太多,如果没有人愿意加班,客户要求在限定时间内完成的订货任务就无法完成,你会()。
夜间急诊送来一无主无钱危急患者,值班医师应如何处置?()
小学语文教师王老师酷爱传统文化。他在识字教学中感觉到,借助繁体字可以帮助学生对生字的理解和记忆。于是他计划在文献研究的基础上申报课题,在学校科研顾问黄教授的帮助下,开展改善识字教学的行动研究。请按要求答题。(2015年)(1)试为该课题设计一个课题名
下面()不是InputStream类中的方法。
设有下面的类型和变量定义,PrivateTypeRecnameAsStringscore(5)AsIntegerEndTypeDimstudentAsRec则下面正确的语句是
Whoseleftlegwashurt?
《清明上河图》(AlongtheRiverduringtheQingmingFestival)是中国名画之一。它为北宋(theNorthernSongDynasty)画家张择端所作,现收藏于故宫博物院(thePalaceMuseum)。
最新回复
(
0
)