Workers at the world’s largest hydroelectric plant show they have a head for heights as they get to work. But these brave employees at the great Three Gorges Dam insist their job is nothing out of the ordinary, although there is the heart-stopping scenery below them.  

Making sure electricity is safely transported across the tall power lines to the rest of the country is no easy task. These brave workers cross high above giant rivers, regularly working at more than 650 feet in the air when they work. Ho Ku, 39, is one of the brave workers who do the job - and insists it’s just another day in the office when he gets started. He said: “I know it looks pretty impressive but to be honest you don’t really think about it when you’re up there. It’s just a job like any other.”

The dam that was built across the Yangtze River in the Chinese city of Zhongxiang produced an incredible 85 terawatt-hours of power last year - enough to power the whole of the UK for about five months - and project managers expect even more to be produced this year. 

The local power company has a small army of technicians responsible for the maintenance of more than 300 electricity pylons that carry power from the dam and supply local requirements. The company does annual checks looking for problems every year, typically in spring when staff require a total of 10 days to visit each of the huge pylons and check the cables. 

A company spokesman said in that time a total of 338 five-hundred-kilovolt pylons will be serviced. The electricity pylons in the region that run across rivers and valleys and transport hydroelectric power are part of the backbone of the central Chinese power system, which supplies both the north and south of the country.

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1.What is special about Ho Ku’s job?

A Working very high above the ground.

B Making sure electricity transported

C Crossing the giant rivers all the time.

D Driving cars at a hydroelectric plant.

解析：选A。A。推理判断题。根据第2段第2句的These brave workers cross high above giant rivers, regularly working at more than 650 feet in the air when they work可知他们在高空工作，这是他们工作的特殊之处。

2.What did Ho Ku think of his job?

A It is nothing special.

B It is very impressive.

C It needs great courage.

D It looks to be brave.

解析：选A。A。根据第2段最后1句的It’s just a job like any other可知他认为自己的工作和其他工作一样没有什么特别之处，因此选nothing special。

3.The writer used the example of the UK to show _______.

A the great amount of electricity

B the potential danger of the job

C the management of the project

D the great height of the great dam

解析：选A。A。写作手法题。根据第3段The dam that was built across the Yangtze River in the Chinese city of Zhongxiang produced an incredible 85 terawatt-hours可以得知，该句交代了发电量，而这些电可以供英国使用五个月。

4.What did the workers do?

A They enjoyed the heart-stopping scenery.

B They built world’s largest hydroelectric.

C They fixed the great Three Gorges Dam.

D They checked electricity pylons and cables.

解析：选D。D。细节理解题。根据第4段最后1句的when staff require a total of 10 days to visit each of the huge pylons and check the cables可知他们是在维护电缆塔和电缆。

5.The last paragraph mainly tells us _______.

A more pylons will be built soon

B China isn’t in need of electricity

C the workers will be very busy

D hydroelectric power is important

解析：选C。C。主旨大意题。从文章最后1段第1句的A company spokesman said in that time a total of 338 five-hundred-kilovolt pylons will be serviced可知电缆塔的数量很多，因此可以推知工人们会很忙。