y的二阶导数等于e的2y次方

most of what has been said about the Smiths __also true for the JohnsonsA is B are C were D to be Most of the time,I can get what you said We can mentally regroup our thoughts when receiving communication from others by glancing away and thinking of what has been said or how we want _____.A.to react B.to answer C.to reply D.to respond为什么是D? 改错：Old people should be spoken politely.为啥要改成 spoken to in need/demand/requireit is so much in ___ in the city.填need/demand/require中的哪一个呀答案是demand,我觉得其他两个也对呀谢谢 It is said that the rubbish ___ has been collected can be recycleda.what b.that选B?WHY?句子成分是? It has often been said that life is difficult as it isas it is 如何理解 英语翻译并讲讲用法. It has often been said 和 It has been often said 有什么区别我查了很多例句,often做副词一般并且表经常时候,常常放在be动词之后和行为 动词之前.这2句话哪个对? I是单数,但为什么有If I were you 这样句式虚拟语气我也知道我问的是为什么是I是单数,但为什么有If I were you 这样句式 而不是If i was you it is said that he has been to shanghai,____ 反义疑问句怎么问 if i were you 从语法分析这句话有错吗?were在这里充当什么成分 If I were you,I was dead.这句话的语法对么? I think the old should be spoken to _____(polite)应怎样填呢?Any why? they have t_____ children. need 和require有什么不同? the children planted more trees after they___Greener ChinaAjoined Btook part in Cbecame Dattend They _(have) the flat for more than 10 years.How many times _ he _(make) the same mistake so far?I think he's too _(care).He'd better be _(care) next time. What about Water World?Have you been there yet 是什么意识啊? what about Water World的意思? Don't be angry any more.____（毕竟）,he is only a child. do you think an only child is more selfish than a child who has brothers or sisters? Chinese is the only language w_______more speakers than English.This is because of the l____ population of China. most of what has beensaidabout the Smith___also true of the johnsons.A.are B.is C.being D.to be 句子翻译:What would the paragraph proceeding this passage most probably have been about? 英语改错 Most of them were those what i had been expecting for long 请问what应该改为什么?不会的别瞎回答 改错1.Old people should be spoken politely 2.Nobod改错1.Old people should be spoken politely 2.Nobody can prove him wrongly Many parents don't let their children do chores.They think children have ---- one thing to do.A.hardly B.onlyC.always D.almost...What?...Why? 乌龟用英语怎么说 They have a bad effect___children.A.to B.for C.on D.as We have got only five books for the children__we need ten.So I'm afraid they will have to share.A.because B.since C.when D.oncethanks! 英语翻译1 工程安全保证体系2 组织保证3 工作保证4 制度保证5 质量管理机构6 项目经理7 安全工程师8 项目副经理9 总工程师10 经营经理11 各部门部长12 各组组长13 工区每一个安全员14 基础工