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为什么避雷线保护角越小对导线的屏蔽保护越有效 provide 与offer区别 100元的油每升7.45跑150公里几个油啊怎么算教教我啊 8.5升100公里油是什么意思 避雷线的组成和保护原理是什么? 清政府与哪国签订的什么条约?有什么影响? 清政府下哪国所签条约中,最早涉及资本输出内容知道的请告诉我...有选择..抱歉吖..A.英国B.美国C.日本D.法国 清朝和哪些个国家签过条约? provide和offer都是提供,有啥区别呢? 避雷线平均高度怎么算 Many s___ really love it.Though they are b___ with their studies,they still s____most of theirfree time on it every day.They can stop d____ their homework,stop p___ basketball,but they just can't stop surfing theNet.But only f___of then can make good 英语翻译他们通过多次试验才成功.They____ ____ ____the experiment many times.（每空一词） they still could not ( )with our difficulties in learing engring?how to do how to dealwhat to deal 四选1what to solve althongh they had many difficulties in their 有一种科学探测气球充的是氦气气球从地面竖直上升,到达最高点时速度为0体积阻力无,气球速度大小变化情况29.（09•大连）有一种科学探测气球,气囊内充的是氦气,气球从地面竖直上升, 双避雷线保护时,两线间保护最小宽度是什么意思 The sale of the company is new product is good.It has ______ two million dollars so far.carried onwent upbrought inconsisted of The company's sales for this year.这里的for能不能换成in? 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.