(单选题)

What is the biggest advantage of kite power?

A.Its low costs.

B.Its high qualities.

C.Its great usefulness.

D.Its wide using areas.

参考答案：A

参考解析：

细节理解题。根据文章第一段最后两句“The company believes the technology could reduce the cost of wind energy. And it predicted that kite power would cost so little that developing countries would be more likely to use it to free themselves off polluting carbon-heavy energy sources”可知风筝发电的最大的特点是花费少。故选A。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语