七年级上册数学课时作业本答案江苏版

一根木料长800米,要把它锯成一些2米长的小段,锯成几段?每锯一次要用4分钟,一共要用多少分钟? 一根木料长10米,要把它锯成一些2米长的小段,每锯一次要用4分钟,共要用多少分钟?算式怎么列? 非洲靠海的有哪些国家 美国和非洲之间的海洋叫什么? 非洲和澳大利亚之间的海洋是什么 It's _____to send an Email than a regular mail.关于比较级的一个问题A much more quickly B quickC more quickly D much quicker选C为什么不可以?C和D 到底哪个是quick的正确比较级形式? ICQ is an e-mail c___ that people use to send messages quickly. I'd like to send you an e-mail becanse i think it's faster than ( )a write a letter write letters writing a letter writes a letter 象牙手镯的价值我有个象牙手镯 款式和普通玉手镯一样 想找人估个价 英语翻译The dimensions of the box can vary depending on customer request but are generally 2.25 inches in diameter with a storage space of about 1.75 inches in diameter.The length of the box is dependant on the number of Code Rings and the width km到nm的换算 安妮的英文名怎么写啊? More than 8200000 people _____ (居住) in the city now.用live而不是living. today more than 17millions people live in New York city 这个句子有什么错误 那两个英文什么意思? 取一根长度为4m的绳子 拉直后在任意位置剪短 剪短的三段都不少于1m的概率是 这两个英语啥意思?相等吗? 取一根长度为30cm的绳子,拉直后在任意位置剪短,那么剪成两段的长度都不小于10cm的概率是? 如何计算以Na2Co3为基准物标定0.1mol/lHCL溶液的质量? 用0.1000mol盐酸标准溶液滴定碳酸钠试样,称取0.1500g,滴定耗去27.00ml标准液,计算碳酸钠百分含量(Na2Co3＝106) 希腊神话人物爱神、美神和天后是谁 解方程3(x-5)2=2(5-x) x-5后面的2是平方 帮忙翻译一下下,谢谢,我真的急用If we ask adults or non-Japanese-cartoon readers about Japanese cartoons, “Doraemon” will be the first name that they think of, much like we usually think of “Mickey Mouse” when we first think of Am 3（x-5）的平方=2（5-x） 你以为是这样 其实我真的……真的……………… 英语咋翻译 英语翻译The geometry,dimension,and arrangement symmetryof NPs derived from colloidal lithography are dependenton the crystal structure of the colloidal templates,the templateparticle sizes,and the experimental conditions mainly includingthe plasm 英语翻译 安妮英语的写法 译音是“安妮”的英文人名是怎么拼写的?是不是anny? 赵安妮,英文名,该怎么拼?标准一点的,annie zhao anne zhao anny zhao哪个好些？中间要不要加分隔？要不要大写？ 请问Traveling by air is quicker.Traveling by air is more quickly.这两句话那句话正确quick 也可作副词用 先谢了~~~然后请帮忙翻译一哈!"The niggers spread out and headed for the shore, swimming. The water was carpeted with bobbing heads, and I stood up, as in a dream, and watched it all--the bobbing heads and the heads that ceased to bob. Some