委内瑞拉的石油——二级
2026年2月27日 15:00委内瑞拉拥有极为丰富的石油储备，尤其在奥里诺科带地区，但其石油多为重质原油。这种原油开采难度大、加工成本高，且会产生大量包括甲烷在内的温室气体排放，对地球环境危害极大。
其他国家的轻质原油更易开采，能生产汽油等优质产品。而委内瑞拉的原油常被加工成沥青或重质燃料油，品质欠佳。该国石油工业还存在设备故障、维护不善等诸多问题。
过去外国石油公司被迫撤离的经历，使投资者持谨慎态度。未来某些技术或许能改善石油利用效率，但这需要大量资金和时间投入。
您可在第三级课程板块观看原始视频。
LEARN 3000 WORDS with CHINESE IN LEVELS
Chinese in Levels is designed to teach you 3000 words in Chinese. Please follow the instructions
below.
How to improve your Chinese with Chinese in Levels:
Reading
- Read two news articles every day.
- Read the news articles from the day before and check if you remember all new words.
Listening
- Listen to the news from today and read the text at the same time.
- Listen to the news from today without reading the text.
Writing
- Answer the question under today’s news and write the answer in the comments.
