凹透镜成像吗

什么动物是世界上最不怕冷的?A.企鹅 B.北极熊 C.海豹 世界最不怕冷的动物是什么 There were ______days last year.three hundred and sixty-six three hundred and sixty six three hundreds and sixty-six three hundred ,sixty and six 世界上有三种动物最不怕冷,哪三种 改错There were over 500000 deaths due to automobile accidents in the U.S.last year.A third of theseThere were over 500000 deaths due to automobile accidents in the U.S.last year.A third of these could have been avoided but the drivers hadn't fasten 十句反意疑问句（含be动词,一般现在式和过去式）还有助动词（do,did,does) (have,has) come back 大连开发区学英语哪里好?最好是区内的 he back 大连开发区 学英语 3岁孩子学英语,哪好?我在大连开发区住. 大连开发区或金州,有晚上及周六周日学英语的地方吗 地球自转与公转1、定义 2、方向中心 3、产生的意义急啊 后天要! ! there-----a great many accidents last year[be]横线上填was吗 be back home语法问题.1 be back home.【back,home】 这里,两个 词性 都是副词吗?2 知道 I am home 这个表达完全正确,home 这里是作副词的情况I am back home 这么说,意思上 I am home 有 【我回家了/ 我到家了】 我今天写板报的时候 想写欢迎回家 写成了Welcome back home 刚才上网一查 他们说Welcome home 更加正式合理 请问Welcome back home 语法有错误么 能用么 = =有什么缺点 扑克牌7在算卦中的含义最好还有J和K的含义, You look like each other .We both have blond hair and blue eyes.根据对话填空（如题,空出来的就是）You look like each other .We both have blond hair and blue eyes. 英语翻译Mules and horses on land used ropes to pulled barges through the canal.Eighty-three locks raised the water levels by more than one hundred seventy meters from the Hudson River to Lake Erie. 我办了个英语补习班,头疼要怎样招生比较有效果?有经验的请帮帮忙! There were many students in the library last week.(改为一般疑问句)_____ _____ many students in the library last week? 报名参加一个英语补习班要注意些什么.我已经参加工作了.我英语不好,目前在民营企业里面发展,但感觉平台太小.想学英语然后进外企.我英语基础不行.如何选择补习班,大家给我点建议.费用 什么动物不怕冷? they come from the USA,对the USA 提问 皮不怕冷的动物是什么 为什么动物冬天不怕冷. Excuse me.Are you come from the USA?这个句子哪里错了 he is from the usa 可不可以改成he come from the usa为什么 The postcard is come from the USA ,这句话的错误在哪里? We both have _________hobbies.A same B the same C the some D the much We are have the same hobby.与we both have the same hobby.哪句话是对的呀? 英语的 过去式 现在式 是什么?还有 怎么 造句?