Question

The world’s longest high-speed rail line goes through half of China. It began on December 26, 2012.To celebrate the opening of the 2,298 kilometers line, two trains departed（出发） from stations in Beijing and Guangzhou at 9 a.m. and 10 a.m..

Running at an average（平均） speed of 300 kilometers an hour, the new route cuts travel time between Beijing and Guangzhou from over 20 hours to about eight . 155 pairs of trains run on the new line every day. And there will still be 183 pairs of trains running daily on the old Beijing—Guangzhou line. We know that the new line will increase passengers’(乘客) travel costs. If you go from Beijing to Guangzhou, a first-class seat on the new high-speed line will cost 1,383 yuan, and a second-class seat will cost 865 yuan.

Chen Yabing is one of the architects(设计师). He said that the new line is one of the four north-south lines, and it is important for the country’s high-speed railway network, which also features(起主要作用)four east-west lines. With the opening of the Beijing—Guangzhou high-speed line, China now has more than 9,300 kilometers of high-speed rails .

The new line is the world’s longest operation mileage(营运里程)high-speed railway. It is also one of the great wonders of China.

1.The Beijing—Guangzhou high-speed line began on______.

A. December 26, 2012 B. December 25, 2012

C. November 26, 2012 D. November 25, 2012

2. Your parents and you will go to Guangzhou from Beijing. Your mother will take the first-class seat, your father and you will take the second-class seat, it’will take______yuan.

A. 2,595 B. 3,113 C. 3,631 D. 4,149

3. If you take the new line from Beijing to Guangzhou at an average speed of 300 kilometers an hour, it will reduce(减少) about______hours than before.

A.8 B.10 C.12 D.14

4. What is the writer’s purpose of writing this passage?

A. To tell people the longest High-Speed Railway began operating.

B. To give us something about the ticket price of the longest High-Speed Railway.

C. To describe some rail lines.

D. To tell how the architect builds the new line.

Answer 1

1.A

2.B

3.C

4.A

【解析】

试题分析：文章主要介绍了2012年12月26日京广高铁通车, 拉近了城市间的距离。

1.细节理解题。根据文中The world’s longest high-speed rail line goes through half of China. It began on December 26, 2012可知京广高铁于2012年12月26日开始运行，故选A

2.细节理解题。根据文中If you go from Beijing to Guangzhou, a first-class seat on the new high-speed line will cost 1,383 yuan, and a second-class seat will cost 865 yuan.可知1,383+865*2=3,113。故选B

3.细节理解题。根据文中Running at an average（平均） speed of 300 kilometers an hour, the new route cuts travel time between Beijing and Guangzhou from over 20 hours to about eight可知, 以前需要20多个小时, 现在需要约8个小时, 因此现在比以前减少约12个小时。故选 C

4.主旨大意题。通读全文可知作者写这篇短文的目的是告诉人们最长的高速铁路开始运营；故选A。

考点：科技类短文阅读。