委内瑞拉的石油——一级

2026年2月27日 15:00委内瑞拉地下蕴藏着丰富的石油资源，其储量位居世界前列。然而这些石油大多属于高粘度重质原油，开采难度大、成本高，且会造成严重污染。这类原油难以提炼出汽油，主要用于生产沥青和重质燃料油等品质较差的产品。 委内瑞拉石油产业还面临诸多困境：部分设备陈旧失修，政府曾驱逐外国石油公司，导致企业如今谨慎行事。未来新技术或可助力，但这需要时间和资金投入。

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

  1. Read two news articles every day.
  2. Read the news articles from the day before and check if you remember all new words.

Listening

  1. Listen to the news from today and read the text at the same time.
  2. Listen to the news from today without reading the text.

Writing

  1. Answer the question under today’s news and write the answer in the comments.