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hopes怎么读?音标 不等式恒成立是什么意思? 小学英语单词plays音标 高三数学,不等式恒成立问题不等式,x^2-3ax+2大于等于0,在a属于[-1,1]时恒成立,求x的取值范围 我开学上高二 词汇量在3000左右 想去新航道学雅思 I like to read and ( )swim.括号里要加to么? 英语情态动词有哪些?你能说哪些就那些,快来行动吧! quadruplets什么意思?But their colors are differeent. 第八题,英语 I like ___(colour) ,can you ____(colour)it brown dictionary的中文是什么 In m( )ciass .We can sing songs.In a ( )ciass .We always draw pictures. Miao nationality ( ) in the southeast of ChinaA.almost live B.most settle C.mostly settle D.mainly stay 向某人提建议到最后说：If you take my advices ,I think you will keep healthy可以吗 I think I will take progress什么意思 I [ ] you a book last night [gave give]选词填空 ____you_____(find)your science book yet?用所给词适当形式填空 My undc ______(give)me a book last Staurday .用所给词填空My parents________( go) to Shanghai by train yesterday Jim________(catch)a cold yesterdayMillie and her friends__________(see)the film A uatar last SundayThe cat weighs (about six kilos) 我喜欢充满活力的乐队 I like bans ____ ____lots of energy hunreds of thousands of magazines 到底是多少本杂志?成百上千?还是上万本?还是上亿?还是笼统的概念：很多本? 为什么要用at,而不用其他介词 有关介词atI was sitting at my favorite table in a restaurant.这句怎么翻译?能不能换成其他的介词? 在12岁介词用AT? the book should be too expensive.为什么用be呢?是不是形容词前都要原型?这里SHOULD应为实意动词吧?如果是虚拟语气BE就可省了!为什么不能构成系表? 用所给词语词语的适当形式填空 When I was young,I took great _______________(interest) in...用所给词语词语的适当形式填空When I was young,I took great _______________(interest) in playing chess with my grandfather.要填inter eat live visit say like see watch pass beat live visit say like see watch pass buy 谢谢单词变成第三人称单数怎么变,列出来, 人类活的最大的年龄是多少? breaking school rules makes teachers ()如题,快,最好有原因 人类的最高年龄是多少?130 “progress”不可数,那么“rapid progress”前面可以加“a”么? 英语翻译摘要：本文通过讲述国内第一套单系列、大型化、自动化以天然气为原料制甲醇装置的主要工艺流程；阐述了初始建设时的补碳方式的选择以及后来根据实际生产情况对氢碳比进行 郭沫若赠给陈毅什么诗?