已知二端口网路在关联参考方向下的电压和电流为u(t)=sin(90-t)+cos(3t-60)Vi(

初二分式方程问题某商店经销一种泰山旅游纪念品,4月份的营业额为2000元,为扩大销售量,5月份该商店对这种纪念品打9折好的给分问题补充： 用分式方程做 3. 某商店经销一种泰山旅游纪念品, 英语选择you should try to get a good nights' sleep_____much work you have to doAno matter Balthough Chowever Dwhatever解释一下为什么选C不选A不是A 是为什么不选B 抱歉 Remember to ( ) your homework to school next time. A.take B.bring C.carry D.hold 英语句子在线改错When come to school next time,bring your homework. you should aways get a good night's sleep翻译 Bring your _____(日记）to school next time ,Jack.老师说是diary,为什么不写复数? you should try to get a good nights sleep_____much work you have to do为什么选no matter how而不选although Please bring your son here_____you next time.介词填空,只限一词 To our j______,our school basketball team won the game马上就要 Our football team won the game because the goal keeper played really strong defense.（句意不变）_____ _____ the goal keeper's really strong defense,our football team won the game. can you show me your photos when you come back?改祈使句怎么改? Our team was_____by their team in the foodball game yerterday. A defeated B won C gained D earned选什么 为什么?by 在这里什么意思 为什么要选A/B/C或D show me your photos when we get back to school是什么时态不是一般时表示将来时吗 一道初二分式方程题某广告公司将一块广告牌任务交给师徒两人,已知师傅单独完成的时间是徒弟单独完成的时间的2/3,现在由徒弟先做1天,师徒再合作2天完成师徒两人单独完成任务各需几天? ee代表什么意思? You look very tired this morning.what did you do yesterday afternoon?I did---------------christmasshoppingA.a lot of B.a few of C.a number of D.a piece of为什么选A不选C呢? Susan ,you look tired .I went to ___at the airport early this morning .NowI feel sleepy A.see Johnson off B.see Johnson C.see for Johnson 初二分式方程 一道初二分式方程的问题为测定新款车的某种性能,要求新款车和对比车在同一段路上行驶140km.已知它们的速度之比为7：6,且新款车提前10min到达终点,求此次试验中新款车的速度 It's w_______that our team wins in the football maIt's w_________ that our team wins in the football match.填一个用w打头的词 Don't worry!Your mother will come back ______ (尽快)如题 When will your father come back from Beijig? ________A Until tomorrowB Until yesterdayC For a long timeD Not until tomorrow when will your penfriend______(come) _____(visit) you 爱屋及乌的英语翻译 公路两旁的树为什么要图上石灰水啊? 为什么马路边的树都要给它涂上白色的东西?我们大家都可以看到路边的树都有涂白色的东西,我不知道那是干什么用的,不要说我笨,俗话说不懂就要问嘛! 公路边上的树是谁的 要找谁买 公路旁边的树为什么要把树干涂成白色?3Q 公路旁边的树是干什么的 Have you brought everything with you 为什么不用anything? i have you to be with everything will be easy 的中文意思是? 1.he ()()you when he ()back.他一回来就会打电话给你.2.please let your father ()()(),when he comeback.请让你的父亲给我回电话,当他回来的时候.做完这两题后请您解释：when等引导的壮语丛句,主句要用将来时