逻辑英语

写几句呼吁保护南极环境的警示语 如果给你一个细胞,你如何判断他是T细胞还是B细胞?是活化的T细胞,还是成熟的初始T 活化的辅助性T细胞和成熟的辅助性T细胞有什么区别?如题：细胞免疫中,能分泌多种蛋白质,从而增强淋巴细胞的分裂和分化的细胞为A 成熟的辅助性T细胞 B活化的辅助性T细胞 C成熟的细胞毒性 描写南极冰原的句子“四周一层层雪浪好似大海奔腾不停的波涛,一座座山丘犹如晶莹剔透的龙宫宝殿,一条条雪墙像是翩翩起舞的银龙."模仿写一段话 Sorry for the Stupid Things为什么这么耳熟 What would you say if you want to know the way to the zoo1.Could you tell me how to get to the zoo2.Is there a zoo in you city3.What can Isee at the zoo 蝴蝶有几种分类? 连词成句,必要时可以加词,也可以变时态1.who/choose/represent China/the next Olympics?the best sports stats/choose/represent China2.what/Liu Xiang/ask/to do/in the future?he/ask/appear in films and record music3.how/Liu Xiang/help/by a 用过去时态连词成句并成文,写我们要保护青蛙,不少于40词提示：catch.frog.listen to the radio read the nenspaper .protect the frotake to be grateful to sb.for sth.造句 句子要翻译出来 简述T、B细胞活化需要的双信号刺激 活化的细胞毒T细胞是否就是效应细胞毒T细胞?它们是否有差别? If you do notuse your arm or your legs for some time,they become weak.When you start using again,th I do not feel very confident speaking in front of many people 这句话的分析I do not feel very confident speaking in front of many people 这句话中的speaking为什么是进行时,这里的用法是什么?可以说成to speak 到底哪个是 i feel nervous talking in front of many people 为什么这里的talk不是谓语 而feel是 怎样判断? 简述T细胞活化的双信号模型 什么是T细胞活化的双信号系统?如何利用这一系统解释肿瘤细胞逃避免疫应答的现象? 为T细胞活化提供主要协同刺激信号的分子是 求英语演讲稿一份以勇气为题材,什么是勇气,勇气和勇敢的区别,等等,也可以是其他方面的 为什么含氧酸的组成中可能含有金属元素?请举例 Most people feel very( )when the( )comes.Some of them enjoy going to restaurants on Friday evenin1.A.sad B.busy C.hungry D.happy2.A.weekday B.Sunday C.Friday D.weekend When we compare ourselves with great people,we may feel very ordinary(平凡 HAVE YOU EVER ________IN FRONT OF LOT OF PEOPLE Have you every -- playing in front of thousands of people at a concert中间应填什么 Most of us have dreaned of being a f_____ singer in front of thousands of people at a concert. l have never heard of the people and things____you talk just now 酸根有哪些我们老师发给我们一张表格上面只有硝酸根硫酸根碳酸根 盐是金属元素+酸根但是题目中没有以上酸给的元素是碳 氢 氧 钙 要用这四个里的元素写出一种符合酸的化学式 CO(CO2) CO2(CO) CO2(O2) CO2(SO2) CO2(HCL) CO2(H2SCO(CO2)CO2(CO)CO2(O2)CO2(SO2)CO2(HCL)CO2(H2S)分别列出去除括号内杂质的方法 This is an __(usual) story,do you want to listen to it? i know you don't wanna listen to this,but you know,word hurts.which i'm gonna say is" YOU TWO我一句没懂 高分求一份英文演讲稿我是一名高一新生,做一个英文演讲,不要有太多生词,不要那种有关哲理的演讲（例如nothing is impossible就不行）,最好是关于时事,我个人比较喜欢关于2012的内容,其他的也 英语翻译横线在is后。