高压灭菌温度和时间

如何对颜色质量做以鉴别? 如何从钻石的颜色分辨其品质的高低?昨天在商场看到一颗泛着淡蓝色光泽的钻石,很好看净度VVS,色度G但不知蓝色钻品质如何,升值空间怎样. This is the twins'bedroom.We can see _____beds.A.may's and Joy's.B.May and Joy. This is a picture in a bedroom.It's( ) A.twins'BThis is a picture in a bedroom.It's( )A.twins'B.twinsC.a twinD.the twins选什么?为什么 This is the twins' bedroom.We can see ( ) beds.括号里填什么?有四个选项 A May's and Joy's B May's and Joy C May and Joy D May and Joy's 英语翻译 我的×× 作文450字 要求写出外貌、性格、爱好 要所有的物理公式 还有该公式的应用推导 要高中以上的公式能找多少找多少来点理论物理的 英语翻译Monday I look for the mush room in the foresttuesday I go to the restaurant and take park in marry assembly hallWednsday I play the yo-yo at homethursday do home work friday I go to the chang chun with my mother The twins look quite the same.But in many ways they don't look alike求这句话的翻译、解析.look the same和look alike.还有就是be like 和look like有区别么? 宇宙里的地球是人类生命的摇篮.（缩句）格外送分 I am sorry to have kept you waiting so long.这句为什么用to have kept 而不是to keep 与时态有关系吗 “掬一捧蓝天可以洗脸”究竟妙在哪里 掬一捧蓝天可以洗脸“掬”的意思 提问:“掬一捧蓝天可以洗脸.”~“掬一捧蓝天可以洗脸.”描绘出了蓝天如水的意境.写出了拉萨天空的（ ）（ ） 掬一捧蓝天可以洗脸,这话真是太妙了.你认为妙在哪里呢 they are having fun in the snow的同义句 they ＿ ＿ ＿ in the snow So don't Say sorry How long I have to wait Does that make any __?Yes,it matters a great deal.A.money B.sense C.difference D.trouble这句话该怎么理解? that is a deal Tell me about your experiences as a teacher还有experiences为什么要用名词复数. look,______ the children are having in the gamesA.what a fun B.what fun C.how funny D.how fun答案是B还是D啊 请给出详解 _____great fun the children are having in the fieldA How B What C What a D What an china daily 手机报怎么开通 How long I have to wait .麻烦翻译下 It's f____ to have to wait so long 一个三角形的两个角分别为29°,61°,若按边分类,它是斜三角形；按角分类是直角三角形对吗? write—me and tell me something—your morning.横线上填适当的介词! 1.Tell me something_____your new teacher.A.in B.about C.at D.for 2.There is a small shop_____my shcool.A.in B.about C.of D.for （请从ABCD四个选项中选择正确的答案.） Please tell me something___ your class.用适当的介词填空 Can you tell me something ____ your countey? 什么情况下使用后风窗加热功能?