北外宏观经济学作业答案

这里有一道英语问题 望指教!——Thank you very much.——It's my （）. 一个数学小组有甲、乙、丙三个人,数学测验甲、乙二人平均分是91分,甲、丙二人平均分是95分,乙、丙二人平均分是87分.求这个小组平均分是多少? 19.I’m sure these documents will be___great value to you.A.about B.from C.with D.of20.This furniture is not suitable for our use,but maybe we could give it to___.A.another one B.someone else C.the others D.each other21.The examiner made us___our ID 用交卸,狼藉,妥帖,颓唐,琐屑,簌簌 踌躇 嘱托 蹒跚 祸不单行 淋漓尽致 选四个词组一段话 一道英语题,请各位指教啊!After final examinations,the students will stay at their classroom for a little while,____ they will have a get-together.A.which B.that C.when D.where It is important that we ( )the news secret.A:must keep B:would keep C:should keep D:kept应该选哪个,为什么 翻译如果你仍然紧张,就不必去了 花鹩哥怎吗养 多数人晚上不能睡8小时.他们处于紧张与焦虑中.英语翻译 花鹩哥吃什么 我没做完作业是I haven't finished my work 还是didn't? 昂首挺立的意思 (2/4)rnings and music sales.console and hardware sales alone accounted for nearly 33per cent ($8...(2/4)rnings and music sales.console and hardware sales alone accounted for nearly 33per cent ($8.7 billion)of the market in 2002.in addition.blockbuste 昂首挺立什么意思啊 that company has a vacant position for a designer and have already it stood for accounted forapplied for fought forcompany has a vacant position for a designer and have already it stood for B accounted for applied for fought for 昂首挺立是什么意思 昂首挺立的意思（急） 鹩哥有多少种 his illness（是……的解释） his absence. His long illness and ( ) absence put him far behind in his study.A.sequent B.consequent C.frequent D.subsequent 求问：his accounting for it 与 what he accounted for it有区别吗?我想知道这两个意思上有没有区别。 his long illness,illness能改成disease吗 一个长方体；下底周长是28厘米；高是10厘米；这个长方形的棱长和是多少厘米 已知一个合力和两个分力的大小.分解的结果我上课挺老师讲是无数种,老师说什么把两个分力空间旋转,课后想了想还是没搞懂 期中考试结束后,统计出甲乙两人的平均分数是360分,乙丙两人的平均分数是310分,丙甲两人的平均分数是330分,求甲乙丙三人各得多少分? 期中考试结束后,头统计出甲乙两人的平均分数是360分,乙丙两人的平均分数是310分,丙甲两人的平均分数是330分,求甲乙丙三人各得多少分? 英语翻译 甘心的近义词是什么 一个长方体底面周长是10厘米,体积是多少? What institution did you attend and what was your major? 翻一下 求黑孩子罗伯特中心思想 请问这样的式子怎么化简?最后等于 2r 2