问题 问答题 简答题

电力市场中为什么电网必须提供运转业务?包括那些费用?

答案

参考答案:

随着发电市场的形成,由于电网中存在着多种形式的不同发电公司,这些发电公司的电量不只向本地区销售,而且还向其它地区销售,由于发电公司部拥有输、配电电网,因此电网经营企业就必须提供相应的运转服务;同时随着电力体制改革的深入发展,用户市场也将逐步开放,而用户市场的开放,必然使用户具有自由选择供电的权利,这也要求电力企业提供相应的运转服务;同样多区域互联电网间的功率交换及发电公司和用户之间的自由选择、公平竞争,也需要电网经营企业提供相应的运转业务,因此电力市场的建立,必然要求电网经营企业开放输、配电网络,并提供相应的运转业务。

为了电网的不断扩大以便好好发展,提供电能运转业务的电网,应该是有偿服务,其运转服务主要包括网损、电网维护及电网基本建设三个方面的费用。

判断题
完形填空

Xinjiang Yumin Mountain Flower Festival opened yesterday. It opens once a year. This is the fourth Flower Festival. It shows the great beauty of this area. The festival will last for 100 days. Visitors can visit the beautiful mountainous county(县) during the Flower Festival. They will enjoy a beautiful flower world.

Yumin is in the western part of Xinjiang. There are 24 rivers going through the area. The special geographical position(地理位置) and proper weather have made the county one of China's most interesting places. Visitors can enjoy the beautiful flowers, green grass, blue sky and so on.

The county is home to more than 1,000 kinds of plants. Different kinds of flowers come out in May every year. It's so beautiful. There are also more than 90 kinds of animals. In the past, it was known only by a small number of outdoor travel fans. But now it's very famous. So if you want to go on a trip to Yumin, you can start your trips in early May, when most of the county's wild flowers come out.

小题1:Does Xinjiang Yumin Mountain Flower Festival open once a year? (no more than 3 words)

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小题2:How long will the fourth Flower Festival last? (no more than 8 words)

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小题3:Why has Yumin become one of China's most interesting places?(no more than 14 words)

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小题4:When is the best time to visit Yumin? (no more than 5 words)

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