初中的数学,未知数的难点和易错点(一元一次方程的小结）1,设未知数,要注意单位.2设未知数时含X的式子有加,减号时,要用小括号,如（X+2）千米.3,4,5,6,
【初中英语连词成句life,us,asked,our,about,he,schoolyou,to,questions,the,know,answers,theseroad,surprised,a,that,they,crossed,snake,were,thepracice,way,to,learm,best,english,the,is,throughpercent,the,at,don't,sports,twenty,of,students,play,a】
初中英语（连词成句）1.of,what,your,is,kind,favourite,transportation(?)2.machine,had,that,not,invent,better,kind,of,you(.)3.it,to.to,eleven,fly,from,hours,Canada,China,today,takes(.)4.our,the,teacher,us,asked,to,about,think,future(.)
【找一首个的歌名,初中音乐课上学过的,开头是“看江水向东流,想起我故乡“,感激不尽找一首个的歌名,初中音乐课上学过的,是忧伤的情感,讲的是思乡,开头是“看江水,向东流,想起我故乡”最】
1分钟大队委演讲稿,我是小月,我来自初一五班,是班长,我成绩不错,在班里是班长,爱好打网球,听音乐,特长唱歌跳舞,1分钟的,100字,明天竞选!
【初二物理在小小音乐会上,小明拿出装有不一样多的水瓶子,并从左向右敲打瓶子.瓶子发出“i7654321”的声音,下面的小红把嘴贴在瓶口上吹气,瓶子发出的是“1,2,3,4,5,6,7,i”的声音,为什么】
