空集是不是元素

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英语翻译最好有多几种 一切美好和恶梦都将结束的英文翻译 古诗中有哪些写有关"屏"的诗句屏风的屏! 中国古代诗词中有很多写“屏”和"帘”的句子.有什么呢? 申请调部门 英语怎么说 “噩梦”怎样用英语翻译 谁能帮忙解释一下“网络推广”主要做什么工作 狗为什么要吃屎?狗为什么改不了吃屎?大家说胡萝卜和蛋一起吃好吗?合理吗? "IT职业生涯规划" 英语怎么说? We will be able to talk to our friends and to ____ them at the same time.A see B look C watch D find IT联合会用英语怎么说?Information Technology UnionUnion of Information TechnologyInformation Technology federation哪个对? 短文填空.I am very().I have no time to clean my room.So I buy a new friend().I am very().I have no time to clean my room.So I buy a new friend().It can help me ()the dishes.It can () a letter.It can also send().It can it,stimetogetup英语怎么说 Spending time with our family and friends _____ very important to us chinese.(be) My friend will visit me _____ a very short time. 3.She's never late ffor school.(改为现在完成时) She__ never___late for school. I'm so gald( )[receive]your E-mail( 】中为提示,最好带上翻译 ,顺便说下 gald receive都是什么意思, l'm so__(gald)to see you 用所给词填空 I'm so fed up with your BS.Cut the crap idiot!I'm so fed up with your BS.Cut the crap and get out of here!If not,let's take it outside! Vivian a ( ) goes to school early.She is never late for school. She is a good student,she's never be late_____school.填空 She is never late for school.这个句子中is 可不可以去掉 I开头什么 happy to be your friend. 什么happy to be your friend I开头 heh thats ok i am happy to be your friend 为什么要坚持体育锻炼?有什么好处?反之,如果你不坚持体育锻炼会怎么样? She never arrives late for school,_____ _____?完成反意疑问句. 体育锻炼对增进健康有哪些作用如题 1两首古诗所表达的思想感情是 2这两首诗描述的情景相同吗为什么? 古诗全诗和思想感情《枫桥夜泊》、《别董大》、《题西林壁》、《赠汪伦》、《示儿》、《泊船瓜洲》、《闻官军收河南河北》、《黄鹤楼送孟浩然之广陵》、《游园不值》、《九月九日 She`s never late for school.(改为现在完成时) She___never___late for school. 发展部主管 英语怎么说发展部主管 最标准的英语怎么说 印名片上的