电力网电能损耗中的理论线损由哪几部分组成？

Canberra is the capital of Australia. It is a modern and lively city with a population of over 345 000.

History Canberra is the eighth largest city in Australia. It is 238 km from Sydney and 507 km from Melbourne. Melbourne was once the capital of Australia. Sydney people also wanted to make their city the capital. It was difficult for the government to make the decision. Then in 1911, the government chose a place to build the new capital. It was between Sydney and Melbourne, the two largest cities in Australia. It took more than 14 years to build the city. In 1927, the city was set up. It became the capital and was named Canberra. “ Canberra” means “a place for friends to get together”.

Culture Canberra is a beautiful city with trees and flowers everywhere. There’s a Flower Festival in September each year. People can enjoy all kinds of beautiful flowers and welcome the spring to arrive. A man-made lake --- Lake Burley Griffin is in the center of the city. It’s about 25 km long. People like to ride bikes, walk or run around the lake. In Canberra, there’re many famous universities like the Australian National University and the University of Canberra. The National Library and the National Museum of Australia are also famous places that people like to visit.

小题1:How far is Canberra from Sydney ?

A．25 km.

B．238 km.

C．345km.

D．507 km.

小题2:The word “ Canberra” means ____________.

A．the largest city	B．a beautiful man-made lake
C．the old capital city	D．a place for friends to get together

小题3:Canberra Flower Festival is a festival to ____________.

A．ride bikes	B．visit universities
C．welcome the spring	D．walk around the lake