题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。     In 1863 the first underground passenger railway in the world opened in London. It ran for just under seven kilometers and allowed people to avoid terrible  (crowd) on the roads above as they travelled to and  work. It took three years to complete and was built using an interesting method. This included digging up the road,   (lay) the track and then building a strong roof over   top. When all those had been done, the road surface was replaced.    Steam engines  (use) to pull the carriages and it must have been (fair) unpleasant for the passengers, with all the smoke and noise. However, the railway quickly proved to be a great success and within six months, more than 25, 000 people were using   every day.    Later, engineers  (manage) to construct railways in a system of deep tunnels (隧道), which became known as the Tube. This development was only possible with the  (introduce) of electric-powered engines and lifts. The Central London Railway was one of the most  (success) of these new lines, and was opened in 1900. It had white-painted tunnels and bright red carriages, and proved extremely popular with the public. 答案：【1】crowds【2】from【3】laying【4】the【5】were used【6】fairly【7】it【8】managed【9】introduction【10】successful

查看本题答案和解析