怎样算产品保质期的好办法

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我的word2003公式编辑器不能打出括号,出来的是乱的,请问怎么办?比如我打括号 The ceiling was leaking water.这句话中,water作什么成分? My First Day at Senior High课文句子成分分析 another instance of the wizard is running怎么回事 It is 5 meters high.中high的词性,5 meters 在句子中的成分 another instance of wizard is running怎么回事 为什么我的美服英雄联盟帐号密码输进去后,会出现another instance of this program is already running? 氨基酸的主要作用是什么?婴儿用什么样的比较好? While shopping,people sometimes can't help___into buying something they don't really needA to persuad B persuading C being persuaded D be persuades 氨基酸幼儿配方奶粉有什么特别的吗? 为何婴儿多一种氨基酸?婴儿比成人多组氨酸,有什么特殊作用吗? 找错While shopping,people can't help persuading into buying something they don't really need.找错题While shopping,people sometimes can't help persuading into buying something they don't really need.“persuading”错了,可是can't help doing s 婴儿必须的氨基酸有几种额 一定要正确~ 一、单项选择(30×1) ( ) 1.While doing shopping,people sometimes can’t help ______into buying s While ___ (shop),people sometimes can’t help ___ (persuade) into buying something they don’t reareally need. 煤矿井下的煤层中经常有响炮声/称~响煤炮"/问这声音是怎样产生的? 煤矿专用名词:煤炮的概念 硅溶胶可以喝吗用硅溶胶做粘合剂,来制作过滤球,这种球要长期泡在自来水中,硅溶胶会在游离到自来水,人喝了会中毒吗 为什么开机出现the socket server is already running这个错误是什么引起的? fiestabar is already running是什么意思 the installer is already running是什么意思啊如题 挑错题while shopping,pepole sometimes can't help persuading into buying something they don't. high MP and BP,water 化学价键方面的内容 HIGH TENSION什么意思 怎么区分 硅凝胶 硅溶胶 硅橡胶 硅胶 硅酸钠 and 水玻璃 HELL AND HIGH WATER怎么样 400K,101.3kPa时,1.5L某烃的蒸汽能在aL氧气中完全燃烧,体积增大到(a+3)L(气体体积均在相同状况下)(1)该烃在组成上必须满足的条件是什么?(2)当a=10时,请写出该烃可能的分子式.(3)当 they help you f___ what you want这儿填什么? They usually help me ( ) the children 丧尸围城2错误 An instance of this appocation is already running 在398K 101.3kPa下某烃A完全燃烧得到CO2 40mL H2O(g)50mL,则该烃的分子式为什么?如题啊...帮一个同学问的题目, "热烈祝贺####成立10周年"用英语怎么说?