早教吧作业答案频道 -->英语-->
Life in the 21st Century为题写一篇60词左右英文作文
题目详情
Life in the 21st Century为题写一篇60词左右英文作文
▼优质解答
答案和解析
Life in the 21st Century is very interesting.In the new century we will lead an exciting life.For example,we can do some shopping on the Internet instead of shops.In this way ,we neednot worry about the crowded shopping mall.And,students will use computers in class.They can send homework to their teachers by e-mail.Besides everybody can use the Internet to chat with others ,although they are in different countries.Computers and Internet make our life interesting and exciting.
看了 Life in the 21...的网友还看了以下：
试求经过直线L1：2x＋y－1＝0和L2：x－y＝0的交点且与直线L3：3x－4y＋5＝0平行的直 2020-04-27 …
冬冬和丽丽在一起写作业,粗心的丽丽误把题目中的x的平方+y的平方分之x+y写成x的平方-y的平方分 2020-06-04 …
冬冬和丽丽在一起写作业,粗心的丽丽误把题目中的(x²-y²)/(x-y)写成(x²+y²)/(x+ 2020-06-04 …
微分方程（求特解）求微分方程y""+4y"+4y=0满足初始条件y|x=0 =0 x|y=0 =1 2020-06-27 …
己知过点p(2,2)的直线与圆(x一1)的平方+y平方=5相切,且与直线ax一y+1=0垂直,则a 2020-06-27 …
y^3^y''+1=0(y|x=1)=1,(y'|x=1)=0写错了是y^3*y''+1=0(y| 2020-06-28 …
判断下列各对直线是否垂直:(1)y=x,2x+2y-7=0(2)x+4y-5=0,4x-3y-5= 2020-08-01 …
点与直线垂直怎么求直线根据下列条件,写出满足条件的直线的一般式方程1）经过直线2x-y+1=0与直 2020-08-01 …
三元一次方程1.已知3x-4Y-Z=0,2X+Y-8Z=0,求(X*X+Y*Y+Z*Z)/(XY+Y 2020-10-31 …
y''+25y=0,y|（x=0）=2,y'|(x=0)=5λ^2+25=0,λ=+5i\-5i书上 2020-11-01 …