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如果角a在第二象限,那么4/a在第几象限 若a是第二象限角,则π-a 是第几象限角? 若a是第二象限角,那么a/2是 问三道英文语法题目31.I hope to achieve this objective by calling on the smokers ________ good judgment and show concern for others rather than by regulation.A.to using B.using C.use D.to use 32.John was so disappointed when Susan turned down 问三道英文语法题36. Chinese writer Mo Yan, whose real name is Guan Mo-ye, is the first Chinese citizen _____ the Nobel Prize for Literature. A. having won B. to win fucking C. won D. win 37. School killing cases in the U.S. will continue ____ 问几个英文的语法问题The sculptures of MK function as sundials,kept time by casting shadows that show the path of the sun这里的kept错在哪里呢?另外,为什么会有several billion small ice particles这样的表达呢?billion后不 30.Microblog is a platform _____ people can express their thoughts,show their daily life and communicate with each other by sending post.”A.what B.which C.where D.when 31.I have told you time and again that these rules should be strictly followed,_ 为什么水银在水槽外不会由于大气压而保持在里面?按常识,一瓶水装满了,放在水槽里不会下降,可是不放水槽里就全落下来了,为什么啊?水装满了,里面就接近是,没有空气了,那么大气压强应该 若sin(派加a)=5分之3,且a是第四象限角,则cos(a减2派)=?急 列式表式别x的七倍大三的数,与比x的六被小五的数,计算这两个数的差. 托里拆利实验为什么用水银做实验 若a是第四象限角,则‘派’-a是第几象限角? 若a是第四象限角,则‘派’-a是第几象限角? 列式表示比X的7倍大3的数与比X的-2的数与比X的-2倍小5的数,计算两数的差 列式表示比X的7倍大3的数与比X的-2倍小5的数,计算这两个数的差 列式表示比X的7倍大3的数与比X的-2倍小5的数.计算这两数的差..要计算出最终结果 若α是第四象限角,则π-α是第几象限角? 级数求和问题：∑(0,∞)((-1)^n * n^3 * x^n)/(n+1)! 问几个英语语法问题?1.The hint is "do not get ____".A behind B after C later 为什么只能选A2.The teather who accept it ___late will probably not give you good credit.A very B quite C such D that 为什么只能选that3.What works ____ fo 问几个英语语法问题,1、signal to be careful.这里的signal不是人啊,为什么可以用to be?to be是不是成为,变为的意思?2、如果我要表达【我不能白送你东西】和【你这种行为是白送我东西,我不能接受! 问到英语语法问题.11.I have got a loaf of bread;now I'm looking for a knife _____ .(选A)A.to cut it with B.to cut with it C.with it to cut D.with it cutting 问几个英语语法Her suggestion on how to learn English well is that reading often and writing regulary_________A.be needed B.is needed C.are needed D.should need答案是A,为啥?为啥为啥? Greeting a person in Japan is different from 化简同类项：列式表示比x的7倍大3的数与比x的-2倍小5的数,计算这俩个数的差 根号3sinX+cosX怎样化为同名三角函数? 问几个英语的语法问题She said she (was) flying to Shanghai next weekend.（这里为什么是填was而不是will be）The ship was full of people.There was no (rooms) for Elen.（这里的room为什么是复数）If you want to talk to your 诗·词·曲·各有什么特点? 诗、词、曲的特点每个不超过30字!注意是特点,不要别的. 分别说出诗、词、曲的特点都用一句话概述.可以从句子的长短或形式来说.谢谢 怎么区分诗 词 它们各自的特点是什么? cosx等于根号六除以3 已知▏向量a▏=3,▏向量b▏=5,且向量b与向量a反向,试用向量b表示向量a C++程序 计算输入的正整数的位数.