土壤和尘埃

某小学校园长是240米,宽是160米,在平面图上长是3分米,宽应是（ ）?A.1.6分米 B.2分米 C.2.4分米 某小学校园的长是160米,宽是100米.在平面图上用20厘米长的线段表示这个校园的宽,该图的比例尺是（）,该图上校园的长应是（）厘米. we had a __with our friends during the Spring Festival A.get together B.get-together friends,during,to,visit,we,like,Festival,the,Spring(连词成句) I'm feeling better,so I want to start(). A.taking lesson B.to take lesson C.taking lessons是不是选B I'm feeling better,so i've startrd taking lessons为什么不用taking lesson I'm feeling better , so i've started _____.a taking lessons b to take lesson c will work d take lesson we ____in the TV station since we moved to shanghaia have worked b worked c will work d a re working请说明原因现在完成时 关于保护校园环境的告示牌学校花园的花草树木经常遭到破坏,请你写几句用以让人接受的话.（不要用禁止、不准等词） we( )"thank you"for our food,familyand friends on thanks giving day.talk say tell speak should we ignore our friends and family for the sake of our own interests?I want to know why rather than what it is 英文字母有哪些 为什么用 现在完成时 have starteda girl who have just started school but whose family can not afford her education 工作几年了英语一直不好,现在着急用口语,想找个英语班提高一下, English是原音字母吗 ____ I have to finish the picture today.回答yes,you do.用must,can,may还是do We often just drop by our friends' Often,we just walk around the town center,seeing as many our friends as we can请问为什么see加ing 帮我用反身代词造句、谢谢 我需要5个不同的反身代词造句、谢谢 run的现在分词running前面要加be吗? they will leave for Canada in 2 weeks' time.（it）is in August 为什么是it 不是that this 速度_____will they have another meeting?-In one week’s time.A.How much B.How soon C.How often D.How long理由理由,急 that is what they will do -----this time 答案是in on for? 请用自己的话（英文）解释一下什么是phrasal verb 不要搜索的或者词典的解释要英文的解释 不要中文 能不能帮我取个英文名字,我是个女生,最好不要通俗的,比如kitty,alice,anne什么的, 动词、动词短语和成语动词有何相似,有何不一样... 给某人写信的词组是什么 写信的英文怎么写?是英语词组! practiced是那个单词的过去式? 北京适合提高口语的英语班有哪些好的, 请问北京有哪些好的英语班,针对口语提高的, 日本语基本动词词典里有解释动词是几段动词的吗?,和普通的日汉汉日词典有什么区别? 能够查到动词变化的词典,即过去式和过去分词.其中金山词霸有一个版本能够查到,