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Reter was so excited （ ）he received an invitation from his friend to visit Chongqing.A where B that C why D when这个题为什么选when ,that不可以吗?that引导的同位语从句. 请问高中英语1-7题答案是什么?给最佳. 如图,在三角形ABC中,AB=AC,BE⊥AC CD⊥AB BE与CD相交于O连接AO 判断AO和BC的关 初三数学,一元二次方程.要详细过程 1.设a,b是一个直角三角形两条直角边的长,且(a²+b²)(a²+b²+1)=12,则这个直角三角形的斜边长为________2.若n是x²+mx+n=0的根（n≠0）,则m+n等于______3.4x²－12x＋15=4（ ）²＋6 thank you for什么with us 为什么如题什么那里的括号里的提示词是be 用适当形式填空 thank you for ___(be) with us.what's the ___(different) between the two days? 用所给词的适当形式填空 Thank you for ______________（be）with用所给词的适当形式填空Thank you for ______________（be）with us.Jack __________________（draw and write）,he is playing the computer games. 用所给单词的适当形式填空:①Thank you for (be) with us.②What's the (different) between the two days说明理由 1·3 2·55 5·9化为分数过程 地理和历史会考时《地理图册》《历史图册》要不要用到?我过年收拾东西,不小心弄丢了《地理图册》《历史图册》,学哥学姐们知道情况的说下,到底会考时用不用啊,不用的话我就不用找了, 在等差数列an中a1+ a3 ++a7 a9=32则a5 河北新课标地理什么版的 thanks for(be)_____frienrdly to us 比28少它的七分之五的数是多少,要式子和答案, you are my only sunlight 写出三个比3/5大,比1又2/5小的分数?谢谢大家! 一篇议论文的阅读答案《中国人怎么了》日本人发明了一次性筷子机,但却明令不能砍本国的树木,只准进口中国等国家的木材.虽然他们的森林覆盖面积占国土总面积的“65%,而中国的森林覆盖 根据对话内容,在空白处填上适当的单词,使对话完整A：Hello,Miss Li.I don't know 1.______ I am going to be when I am a man.B：You are a good student.You will have a very good 2.____.A：What 3._____ you think I will be when I am ol 在对话的空白处填上合适的单词,使对话内容完整,正确.A：_______has Sidney got?B：One.He has only one brother.A:______is Sidney’s brother?B:He is 23.A:______is Sidney’s ambition?B:To be an engineer.A:_______did his parents mor jog怎么读 jog的音标是什么? Just do what you are jog翻译成中文是什么 what kind of tv r u into?其中的tv是什么单词的缩写?是不是TV的小写字母? what if i am that into you意思? what shows are you intoOMG别人聊天时说的 还有worth a shot n took long enough 关于现在中国人不知道甲午战争的话题议论文 求《中国人是有自信力的》的议论文,该怎么写? 中国人是有自信力的 议论文 3分之2X-4分之3=9分之2求解答, how are you getting on,my old friend?