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什么叫名词? john has worked as a sales manager since he (join)_joined____this company in 2002答案是joined 为什么呢 什么叫相对的词语?请问什么叫做相对的词语?比如给你一个成语：画蛇添足.它的相对的成语是画龙点睛吗?（答案上是这样写的）. 英语中什么叫名词 什么叫名词修饰名词?如题 provide 和offer的区别? They give you e_____. GPA算法请教刚用GPA计算器算了下,显示出四个gpa,分别是标准4.0算法-3.05,改进4.0算法1-3.46,改进4.0算法2-3.37,北大算法3.37.郁闷了,为什么标准算法这么低,我的成绩不至于的啊.想请牛人解答到底4种 sheer volume 怎么翻译啊? sodium acid pyrophosphate是什么意思 out of sheer necessity怎么翻译啊 A page of history is worth a volume of logic.怎么翻译? the supervisor could have prevented the accident 翻译课文!The reported health warnings have worked. 实木.木板 1米宽 2米长 厚0.5厘米 长春 哪有卖的不是地板,是实木的板材（木板） 3.I can’t t________o ________(想起 ) my good friend’s telephone number. ______ill,I can't go hiking with my friends.A.Because of B.AsC.Being D.With我个人觉得选C,因为Because of+名词/动名词而ill是动词或者形容词,名词应该是illness 所以我觉得A不能选,而BD选项句意不符应不选以上是 你注意观察过一些商店或银行的玻璃门两侧的把手旁分别贴有推和拉的字样吗?事实上这种门是可以向两面打开我看见许多店门都是在外面写拉,里边写推的?你注意观察过一些商店或银行的玻 two at a 请看 这题 John,look at the time._____you play the piano at such a later hour?John,look at the time._____you play the piano at such a later hour?A mustB need 为啥不用need baby.i guard you at a later 一道线性规划问题的解答.目标函数：minz=x1+x2+x3+……+x8约束条件：x8+x1>=7x1+x2>=8x2+x3>=5x3+x4>=9x4+x5>=8x5+x6>=10x6+x7>=12x7+x8>=9我知道单纯形法可以解答，但是变量太多太复杂了，这道题的约束条件很 My friend ( )can( ) who can be my friend? 时间.生命.人生价值.学习.道德.爱国的好词好句各十句 I saved your life,you saved mine,we\\\'re leave a 用括号里的词组改句子：We can't go to school right now.（leave a little later) 第9题,答案画图出来后怎么就一下子知道了a的取值范围?不懂 later和little什么关系? 一道线性规划题,求各位高手给我讲讲怎么把Z变形,我会画可行域.小弟感激不尽 matlab求解线性规划,