In the eighteenth century, cities became larger and larger. People have moved from

1.__________

the country and small towns in cities,¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡  2.__________

because there were more work for them to do¡¡¡¡¡¡¡¡    ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡   3.__________

in cities. In Sundays and holidays, people liked¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡    4.__________

to go to the country to have a good time there. But no every family had a horse and carriage.¡¡¡¡¡¡¡¡  ¡¡¡¡¡¡¡¡    ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡        5.__________

Inventors tried to meet the need. The first bicycle, which were very simple,¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡   ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ 6.__________

appeared in 1790.People called it as ¡°the¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡   7.__________

horse on wheels¡±. Then in 1861 with many¡¡¡¡¡¡¡¡¡¡¡¡    ¡¡¡¡¡¡¡¡¡¡¡¡     8.__________

improvements, bicycle became a practical form¡¡¡¡¡¡¡¡   ¡¡¡¡   ¡¡¡¡¡¡¡¡    9.__________

of transportation(ÔËÊä).People liked bikes because that they were less expensive than horses.    ¡¡¡¡    ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡   ¡¡¡¡   ¡¡¡¡¡¡¡¡ 10.__________

 

 0  71961  71969  71975  71979  71985  71987  71991  71997  71999  72005  72011  72015  72017  72021  72027  72029  72035  72039  72041  72045  72047  72051  72053  72055  72056  72057  72059  72060  72061  72063  72065  72069  72071  72075  72077  72081  72087  72089  72095  72099  72101  72105  72111  72117  72119  72125  72129  72131  72137  72141  72147  72155  151629 

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø