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判断下列问题中的两个变量是否成正比例,为什么?⑴被除数一定（不为零）,商与除数⑵除数不变（不为零）,被除数与商⑶积不变,一个因数与另一个因数⑷等腰三角形的面积一定,它的腰长和 “航空公司开业”打一成语 英语高手进prevent the unintended use of obsolete document and identification for retention 航空公司开张了 猜谜语 哪位帮忙下载IDENTIFICATION OF THE CLASS PRYMNESIOPHYCEAE AND THE GENUS PHAEOCYSTIS...文献,哪位大神能帮忙下载IDENTIFICATION OF THE CLASS PRYMNESIOPHYCEAE AND THE GENUS PHAEOCYSTIS WITH RIBOSOMAL RNA–TARGETED NUCLEIC ACID PROBES DETE Analysis of the volatile profile and identification of odour-active compounds请问这里的 volatile profile怎么翻译啊?volatile是挥发性的意思,但连在一起呢.这里主要讲的是风味 请帮忙下载文献 Cloning and sequencing of the cDNA encoding β-glucosidase 1 from AspergilluCloning and sequencing of the cDNA encoding β-glucosidase 1 from Aspergillus aculeatus,Takashi Kawaguchi et al.,Gene,Vol.173,P.287-288 俄语：Ya liu bu liu ji bi ya.Na fu xiu,zei si ni 神马意思, 作文,bi cai na《令我难过的一件事》记住,是一件事,写清为什么难过不少于600字不用质疑 四字词语qiao.bi.duan.ya.怎么写 [supermarket\opposite\waterfall\forest\island\village\lake\Britain\hong kong\]的中文从美国语言来翻译! vu ya o jia wu i huan p bi yi xi 声母有哪些韵母有哪些?整体音节有哪些 newness of the situation \the range of decisions\face could leave?newness 、situation \decisions\could leave? take charge of the situation是什么意思 鸿门宴里萧何为何被打死他到底犯了什么错呢,还有张良在一间小房子里和范增说的话什么意思 《鸿门宴》中最后在麻袋里被打的是不是萧何 为何挨打? y=f(x）是定义在R上的奇函数,当x 求关于名言方面的古诗文 已知y=2x,x属于1到6,包括1和6,求y=f（x）+f（2x） 对于一切实数x,y有f(x-y)=f(x)-(2x-y+1)x都成立,且f（0）=1,求f（x） 第二小题化简得多少 第（4）小题 化简 帮帮忙第（2）小题谢谢了（化简） 冬冬和月月各有一些邮票,如果冬冬给小月9张,两人的邮票数相同,小月原来比冬冬少（ ）张. y=-2X+1图像和性质 多肽转变成蛋白质的场所是? "As we all know ,cancer is a d____disease,which can't be cured"填什么 用be/do/does/can/填空I （ ）a student. My brother ( )a student, too.My friend and i ( )at school( )your uncle a doctor? No,( )I want to ( )a musicianwhat time ( )your parents go to work?what ( )you do ? I( )play chess.( )you want 6分之5:9分之10 化简比（过程）急急急急急急急！！！！！！！！！ costs of poor quality There was once a boy who suffered from cancer,which couldn’t be cured.All his life,he had got to stay in his house being 1 by his mother.One day,2 ,he walked down the street and found a lot of stores.He passed 3 and with the help of lights,he saw a Many cancer victimes can be c____ if the disease is found early enough.