2. 职称英语
  3. The passage gives a general description of both the advantages and disadvantages

The passage gives a general description of both the advantages and disadvantages

游客2023-09-17  28
问题 The passage gives a general description of both the advantages and disadvantages brought by a hydrogen economy. [br] The key advantages of fuel cells include raising the __________________ and reducing air pollution.
选项
答案 efficiency of cars
解析 本题考查fuel cells的优点(advantages)。根据Prospects for the Future部分第二段末可以得知，fuel cell与内燃机相比最大的进步就是提高了效能并减轻了空气污染。
转载请注明原文地址:https://tihaiku.com/zcyy/3021143.html
相关试题推荐
随机试题
最新回复(0)