初中常见离子检验

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the problem will not be settled until we ()a chance to discuss it.为啥用have had而不用will have had我们不是还没有讨论吗,那不就用将来完成时,为什么用现在完成时?请详细解答 The problem won’t be settled until we ________ a chance to discuss it thoroughly.A.have had 对这个答案不理解,时态有点乱, the first computer was introduced for___ in business有四个选项A use B usesC used D using标准答案选A 为什么呀 for 后应该加动名词呀,我觉得应选D 在Would you like something to eat?中的to eat充当什么句子成分?还有别的例子吗? “镐举赞善大夫来瑱可当方面之寄”的翻译(旧唐书 张镐传) would you like something to eat 这句能换成 would you like to eat something? 什么是物理路径? “包藏不测,禽兽无异,可以计取,难以义招”的翻译(旧唐书 张镐传) 什么是站点的物理路径 旧唐书·宋庆礼传译文 物理、港口、航道、物流 旧唐书萧复传译文越快越好,这是旧唐书第一二五卷 Charles Babbage is generally considered ______ the first computer.A. to invent B. inventing C. to have invented D. having invented As far as I know,Charles Babbage is generally considered___the first computer.A.to invent B.to have inventedC.having invented D.inventing 英语翻译40.Charles Babbage is generally considered______the first computer.A.to invent B.inventing C.to have invented D.having invented 请问,Charles babbage is generally considered ____ the first computers.a.to invent b.inventing c.to have invented d.having invented请帮我分析一下为什么选c好吗 1.Charles Babbage is generally considered ___ the first computer.a.to have invented b.inventing c.to invent d.having invented怎么分析这道题的? it's my faverie simple style..的意思是 It's my style! 求《旧唐书·狄仁杰传》第一段的两句翻译!狄仁杰字怀英,并州太原人也.祖孝绪,贞观中尚书左丞.父知逊,夔州长史.仁杰儿童时,门人有被害者,县吏就诘之,众皆接对,唯仁杰坚坐读书.吏责之,仁 The first automobile could run ,but it was ___ the modern one.A.a far cry from B.so far from C.by far from D.far and few between 英语翻译仁杰孝友绝伦,在并州,有同府法曹郑崇质,母老且病,当充使绝域.仁杰谓曰:“太夫人有危疾,而公远使,岂可贻亲万里之忧!”乃诣长史蔺仁基,请代崇质而行.时仁基与司马李孝廉不协, he has already gone gome 改为否定句 He had already gone home.(否定句)He ____ ____ home ____. History is my favorite subject.I can ( ) a lot from it 空白处填learn还是study? History is my favorite s_____.填空! 电吹风能吹热冷水么? 英语语法 Who invented the computer?经常有这个句子出现,但是这个句子不符合特许疑问句的句型.请教一下什么时候可以使用这句疑问句型. I am ___(wonder)who invented the first computer.求思路, who invented the computer 同义句改写who _ the computer _ The stuents are gong to have a sotp meeting next week对next week提问 -HE has already gone to England -when___(wii ,is ,did ,would)he___(go)there 填什么