The Great Wall,which is about 6,700 kilometers long,is the longest wall in the world.It has a history of more than 2,000 years.It is made of stones and bricks .It is 7.8meters in height and on the top of it is 6.5meters and 5.8meters in width.Now,the Great wall is one of the most famous places of interest in China and it attracts many foreign visitors every yea
最新问答: 将一整方形一边减少2,另一边增加3得到的长方形与原来的正方形的面积相等,求原正方的面积是多少?方程怎么 I would not for a moment deny it is worth that.这里,for a mome 有没有什么错误,如果高一的水准这篇作文能得多少分,满分25 高一化学摩尔质量经典练习题,有详解,一定要经典的! 按要求写出三对互质数: 谢谢!(1)1也任何非0自然数(1除外)( )(2)相邻的两个自然数( )(3)不同的两个质数( 求以下数学题解法及列式1.已知B是A的2/3,C是A的1/4,则B是C的百分之几?2.一个足球定价8元,本月降价出售,出 放射性物质有哪些 物体静止在斜面上,当斜面的倾角逐渐变小时,下列说法中正确的是( ) 转化后挑取含有目的片段的单菌落摇菌扩增以后划盘子,几天后挑取部分菌落做PCR无带,不知是何原因? "顿时"和"清幽"的近义词是什么?最好能准确一点~ ahead of和in the front of的区别是什么 (2005•枣庄一模)如图所示,在水平放置的平行板电容器形成的匀强电场中,MN两点之间的连线与竖直方向的夹角为60°.把 描述水的沸腾过程 Tom is a boy____ten.But he knows a lot of things.填介词 All ()is a continuous supply of the basic 1.下列级数收敛的是( C ) A.B.C.D. 英语日记随便什么 已知y分之x等于3,求x的二次方减xy加y的二次方分之x的二次方加2xy减3y的二次方 she with her family ————横线哦 ( go )to the beach 谁能证明1加1为什么等于2吗?