To and from work during the peak period of congestion has been troubled by the situation of people's main problem is usually between 5-6 people in work, an average of one hour's journey in that time period to take a 2-fold, and because people can easily lead to a concentration of traffic Traffic over the next 2 years, Shanghai will build 12 subway lines, there are now 9, the opening line, which will greatly ease the current traffic situation, I believe that in the near future, Shanghai's traffic will get better and bette
最新问答: (2006•锦州)下列说法正确的是( ) 四大类反应类型各举一例 判断下列反应类型 写出下列反应的化学方程式 we'll go and see the patient ____we are busy 数列{an}的前n项和Sn,Sn+an=-1/2n²-3/2n+1(n∈N+) (1)设bn=an+n,证明: f(x)=ax^3+跟号3/2x^2+ax恰好有三个单调区间 英语完型填空Passage 2I liked most of my teachers in college.They w 如图,在直角坐标系中,O为原点.点A在x轴的正半轴上,点B在y轴的正半轴上,tan∠OAB=2.二次函数y=x 2 +m 前方传来沉重的脚步声,“咚!”真的是大象来了!这句话说明了 数学题,求正确率.在线等在一道建发算式中,被减数、减数和差的和是45.8,减数是10.06,被减数和差各是多少?求过程, 4.87*24+11.6*48.7-400*0.487求得数 帮我造几个句子吧 1.如果你能考虑我的请求,我将不甚感激.2.如果你能帮我解决这个问题我将不甚感 二氧化硅对人体有害吗? (2011•陕西模拟)有一种利用电磁波进行遥控的玩具车.其性能指标为:有效遥控范围30m;使用频率为27MHz;可调节高 这个作业怎么做: 丹丹在日记中写道:“今天的班会课令我又忧又喜.首先,值周班干部总结时,点名批 sin2x 的最小正周期是?还要有原因 我宁愿你也到哪里去,I would rather you( )括号内填什么? 为什么温度不太低、压强不太大时气体比较接近理想气体? ALL ALONG WITH REASON cat英语怎么读 小明家5月份用电250千瓦时,其中用“峰电”150千瓦时,用谷电100千瓦时.请计算他们家使用峰电电价