一、翻譯：將下列英文句子翻譯成為中文。（Translate the following sentences into Chinese.）

1. With the bringing up of the price of coal and natural gas, the payback periods have been
shortened for renewable energy plans. All over the world, solar energy is on the verge
of huge development. A forecast issued in 2008 indicated solar power will develop
from a $25 billion industry in 2007 to $80 billion in 10 years. （15 分） 
 2. The Chinese consider calligraphy a way of keeping one healthy. One of the reasons is
that it involves the exercise of the hand, the entire body, and the mind. Calligraphy is so
abstract and sublime that in Chinese culture a scholar’s penmanship is often regarded as
his most revealing trait. （15 分）
3. This is an important age of Intellectual Property. Many companies have been built around
patented technology. Patent filings and issuance are skyrocketing. According to the spirit
of the copyright and patent laws, everything made by man is patentable. （15 分）