1, Does Tom come from Canada?
2, the days are long and the nights are short in summer.
3, my father takes me to school every day.
4, the climate is certainly cold but itneresting in Russia.
最新问答： 请问:七大洲分别是哪七洲? Kete likes dancing.(改为一般疑问句并作否定回答） ——( )Kate( )dancing? ——No 等腰梯形ABCD,AB∥CD,AD=BC,角B=60°,AC平分∠BAD,CE∥AD,交AB于点E,BE=3,求四边形A 一道英语选择题目Mike,could i use your computer?Sorry,I'm going to wo 四碘化锡制备中乙酸和乙酸酐作用? 配制100g10%的氯化钠溶液时,不需用到的仪器是? 酚酞与石头能发生反应吗就是玉石呀,那什么能呀，那什么能让玉石变红 计算:负根号50-5x根号2分之49+根号2分之81. 漫长的反义词 don't worry ,all the children ___ by the nurses 26个大小写字母怎么写 你是读书俱乐部的会员吗?用英语怎么说 假设函数f(x)和g(x)在[a,b]上存在2阶导数,并且f(a)=f(b)=g(a)=g(b)=0,g''(x)不等于 例如词组用英语翻译 从硫酸亚铁溶液中得到硫酸亚铁结晶的方法 101*110-73-37 简便算法 我属于前者还是后者用英语怎么说 The cat is------------the left of the goldfish bowl. Ca3P2+H2O== AlO2- 不能与那些离子在溶液中共存
