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动力臂和阻力臂是否都在杠杆上 (1/5)1.杠杆有三类：当杠杆的动力臂大于阻力臂时,这是( )杠杆,如( )、( )...(1/5)1.杠杆有三类：当杠杆的动力臂大于阻力臂时,这是( )杠杆,如( )、( ),当杠杆 将这个句子译成英语,改成一般疑问句,并做肯定回答,在改为一般疑问句在上课的日子里,我们不得不把手机留在家里怎么写?我认为七年级下册第四单元有关表示不知道怎么写将这个句子译成 英语选择题 求分析四个词的区别 john is very lazy.he falls ___behind in his classjohn is very lazy.he falls ___behind in his classA very B more C far D much 选什么 ?求分析一下每个选项各修饰什么样的词 谢谢了> John was ten years old,and he was very lazy.He had to go to school of course but he...这篇请全文翻译! girl _____ is talking loudly in class is very naughtyThe girl _____ is talking loudly in class is very naughtyA.who B.that C./ D.both A and B the,trees,leaves,the,off,fall连词成句 she lost her hearing b_____of a fever. The girl lost her parents in the earthquake(地震）She was _____sad _______stop crying.A.so; that B.too; to C.not; but D.not; enough to I never sleep in class对never怎么提问 You never fall asleep in class,do you?怎么回答? She never talks in class.改成反问句 He never makes noise in class.翻译 her parents died in the earthquake,___her an orphan为什么要用leaving everyone()a good time in the party.A.having B.is having C.have 物理题杠杆作图题1-3大题 是1-6大题，6题是：在右图中画出力F对支点O的力臂 一道有关杠杆的物理题目,4.如图所示,杆秤砣的质量为0.5千克,秤钩悬挂处A与秤钮O间的距离为8厘米,挂上重物后,秤砣移至离O点32厘米的B处秤杆恰好水平.求：⑴被称物体的质量⑵刻度为3千克的 阿拉丁和神灯英文读后感500~1000字,可包含部分内容介绍 That little girl wants her mother to t_______ a story..是英语 This is the little girl who I can't help ____her mother.Don't worry.Let's ask the policeman for help.A:find B:finding C:finds请问选什么,为什么 如何用英文问人性别 英语i的所以格是什么 英语过去有五个格的时代,那具体是哪五个格啊? 英语翻译Documents must be presented within 21 days after the date of issuance of transport document but within the validity of this L/C信用证上的有效期和交单期限一定完全一致吗?不一致的话,有效期可能比交单期限长 信用证48:period of presentation1.DOCUMENTS MUST BE PRESENTED WITKIN 21 DAYS AFTER THE SHIPMENT DATE BUT NOT LATER THAN THE EXPIRY DATE OF THIS CREDIT.2.DOCUMENTS MUST BE PRESENTED WITHIN 21 DAYS AFTER LATEST SHIPMENT DATE BUT WITHIN THE VALIDITY O 48：period of presentationdocument to be presented within 15days after the date of shipment but whinin the validity of the credit.是不是这么说的话,就一定要客户展期信用证呀.这句话不是说15天内交单,但要在信用期的有 presentation period是什么意思 一根杠杆动力臂和阻力臂的比为3:2,要使用杠杆平衡,则动力臂与阻力臂之比为某杠杆的动力臂是阻力臂的5倍,若动力为10 N要使杠杆平衡,则阻力为 .谁能帮我解下着2题谢谢 You cant pour dirty water into the river改为祈使句 初中英语练习题一道（选择类型题）What　a　＿＿＿＿＿＿＿＿　cough!You　seem　＿＿＿＿＿＿＿＿ill．A．terrible；terriblyB．terribly；terribleC．terrible；terrible Dianne is an American girl.She lives in California with her parents.They lived in New York before they moved here.Now they live on the eleventh floor of a fifteen-floor building.They use a lift(电梯) to go up and down.　　Dianne studies in Getty 我正在上班,不过刚接了个电话 英文怎么翻译