题目

Exploit your parking space An unused parking space or garage can make money. If you live near a city center or an airport, you could make anything up to £200 or £300 a week. Put an advertisement（广告）for free on Letpark or Atmyhousepark. Rent（出租）a room Spare room? Not only will a lodger（房客）earn you an income, but also, thanks to the government-backed “rent a room” program, you won’t have to pay any tax on the first £4500 you make per year. Try advertising your room on Roomspare or Roommateeasy. Make money during special events Don’t want a full-time lodge在“探究小车速度随时间变化的规律”的实验中，打点计时器使用的交流电的频率为50Hz，记录小车运动的纸带如图所示，在纸带上选取0，1，2，3，4，5的6个计数点，相邻两计数点之间还有四个点未画出．纸带旁并排放着带有最小分度为毫米的刻度尺，零点跟“0”计数点对齐，由图可以读出三个计数点1、3、5跟0点的距离填入下列表格中．距离d1d2d3测量值/cm并计算小车通过计数点“2”的瞬时速度为v2= m/s，小车的加速度是a= m/s2，