微积分中的dx是什么

drop by的用法有哪些? drop by的常见近意词 英语帮忙写5句（主+谓+宾+宾补）的《最简单》句子麻烦了.别片我啊…我伤不起啊!求求了 Who are you so sad?中文 you‘re so fired 是什么意思这里的so 是什么意思? This world isn't you wants how to be able to be what kind? by+过去时间怎么用? This world is kind of you go by是时间流逝的意思.如果说“两个礼拜过去了”Tow weeks?go by还是goes by by表时间时的意思 急 谢谢第一：By the end of last year we had built five new houses.这句话我一直翻译成“到去年年底为止,我们·····”by 意为“到···时候为止”.可是查字典,字典上说：By(表示时 耶稣和释迦牟尼谁是神呢?释迦牟尼比他早出生哈,难道耶稣晚出生还是神哈?苏格拉低也比耶稣早出生哈 ,耶稣是神么? 当前世界新军事变革的主要内容,是创新军事理论,( ),改变作战样式,改革军队编制体制,培养新?当前世界新军事变革的主要内容,是创新军事理论,（ ）,改变作战样式,改革军队编制体制,培养新 体现毛泽东革命军队建设和军事战略理论的著作都有什么 军事理论中的四大创新和五支队伍求名词解释. 此夜曲中闻折柳,何人不起故园情?的意思是什么 此夜曲中闻折柳,何人不起故园情的意思, Thank you for your i____.But I can't go there.单词拼写 高二英语选择：-I can't thank you more for the present-I can't thank you more for the present you sent me the other day.-_____.A .With pleasure B.No,thanksC.Please don't say so D.You are welcome 释迦牟尼和孔子,谁对人类的影响更大? 释迦牟尼和孔子,谁对人类的影响力更大?` He climbed up into the tree and picked all the fruit___reach答案：A.near B.inside C.within D.at 英语现在完成时态的否定中能不能用终止性动词?如果可以请举一个例子.但是see可以理解为延续性动词啊，不好意思，请大家再给个例子！ 一个有关非谓语动词的题1.( ) the earth to be flat,many people feared thar Columbus would fall off the edge of the earth.A Having believed B believing C Believed D Being believed请逐项分析下 was a fun mov_______it was a fun movie and l liked it the first time l saw it,l expected it to be so much better.A As if B Even though C Because DNow that 答案是B可是我觉得不太通额 can you draw a tiger?sorry ,i can _____draw itA hardly B ever为什么选A？ There ____ a tiger under the tree.A.are B.is C.\ “鸿雁传书”的典故与谁有关?谁能写2句托雁寄情的诗句? really 后接什么词 Why did early settles come to America?Who were some of the first settles to arrive in America?What countries did they come from?What would make you leave your motherland to start a new life?请用英语回答~~万分感谢阿``` 请教大侠：they would be breaking records left and right. left and right怎么翻译?网上都搜不到答案。郁闷 从boring,too,comedy,really,watch ,go,lot,funny,great,favorite带入到下面的合适的填空Onweekends,Ioften_____to the mobies with my father .I like______My_____actor is Stephen Chow I like his movies Kung fu.My father_____ likes Chen peisi .He They would be breaking records left and right.里面left and 好像这个短语有很多意思吧?