Elephants are the biggest living animals on land.There are t kinds of elephants 求全文
题目
Elephants are the biggest living animals on land.There are t kinds of elephants 求全文
答案
Elephants are the biggest living animals on land.There are two kinds of elephants:Africa elephants and Indian elephants.Africa elephants are larger than Indian elephants,and they have much larger ears.Elephants have to eat a lot because they are so big.One elephant can eat between 100 and 1,000 pounds of grass in a day!They can live for 60-70 years.
There are no bones in the back of elephants’ feet,only fat.Elephants walk on tiptoe.They can move quietly and walk in the mud easily.
Elephants grow tusks.The tusks are large teeth that stick out of their mouths.Sometimes,hunters kill elephants to make beautiful things and piano keys.
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点
- 急求一篇高一作文【我的暑假生活】500字左右
- And who can heal those tiny broken hearts,and what are we to
- 在梯形ABCD中AB//CD,角D=90,AB是圆O的直径,且AB=AD+BC,求证:CD是圆O的切线
- 是否存在实数a,使得函数f(x)=sin^2x+acosx+5/8a在区间[0,π/2]上的最大值是5/2?若存在,求出a值
- unlcok everything是什么意思
- 化简(a-b分之a+2b)+(b-a分之b)-(a-b分之2a)
- 小数加减乘混合运算题240道
- 三个数成等比数列,其积为512,如果第一个数与第三个数各减2,则成等差数列.求这三个数.
- 一盘黑白棋,黑子的颗数是总数的5/3,把12颗白子放入盒子后,黑子的颗数占总数的7/3,盒子里原有黑子多少颗?
- 不同形状的甲乙两容器内装有等质量的水,水对容器底的压强较大的是