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霉菌和酵母菌的关系是怎样的?我想知道；在花粉中霉菌和酵母菌总数的标准是多少? 关于莲的文言文?除《爱莲说》 函数f（x）的定义域为D,若对任意x1,x2∈D,当x1＜x2时,都有f（x1）≤f（x2）,则称f（x）在D上为非减函数.设函数f（x）在【0,1】上为非减函数,且满足以下三个条件①f（0）=0②f（x/3）=1/2f（x）③f 《爱莲说》中说莲有什么高贵品质? 爱莲说中的莲有哪些美好的品质 在一个减法算式里,被减数、减数、差相加的和是120,差与减数的比是2:3,差是? were they young yes ,they were./no,they weren't . 在一道减法算式中,被减数、减数、差相加是120,减数是差的1.5倍,被减数是多少 I think they were Canadian.I don't think they were.They can't have been Canadian.They must have been Australian.帮我看看有无语法错误 i think they were sth这句句子的时态是什么?为什么前面用一般现在的think后面又用were 从句中的where which that怎么用?什么时候只能用that?只能用where?只能用which什么时候可以用哪个都行?怎么分辨出来填哪个? 有什么技巧? it just _______ that where there is a will ,there is a way They____here yesterday,They were____ A.wasn't,somewhere else B.weren't,somewhere elseC.weren't,anywhere else D.aren't,somewhere else it is you that ___wrong有这么一个选择题,It is you that ______wrong.a.is b.was c.are d.has been 看不懂,是不是出错了. It seems that you are so strange today?What's wrong with you?是什么意识? It’s clear you are wrong. A.that B.waht 选哪个,请详细说明原因,谢谢 ——Hi Jenny Do you know what's wrong with Bob?It seems that he is in a bad mood——Yes,He failed his English test .It ____ him _____ A.picked up B.saw,off C.brought,down D.wiped,out 有一句话我不明白什么叫“把手掌交叉成环状”? 股市中有有一句话不理解?以总股本1500万股为基数,每10股转增8股派1元,这句话是啥意思?每10股转增8股派1元,这句话是不是每10股可以得到8股加1元钱? 有一句话不理解,帮我分析一下.我和一个我有好感的校友写信,她回我信的时候问我：你有没有女朋友,如果没有,那就算了吧.我10岁,她11岁, 合同上有一句话我不明白Do you have financial commitments that will require you to make monthly payments? 这是什么意思?在线等 天气描写在文章中的作用有哪些 求初中数学难题 计算是计算 《竹影》文章开头写天气闷热有什么作用 i think it wrong that you never help others.it作什么成分 请问I don\'t think that wrong for love you 的中文意思? 短语翻译：You're wrong thinking that 今年春节期间北方气温怎么样? 今年北方气候怎么样预测下 三大定律 那八大规律好像是什么串联分压 并联分流什么的 三大规律好像是欧姆定律什么的 还要有具体的文字说明 质量八大原则 八大法则