举一反三
- Before people found and utilized fossil-fuel in transportation, the energies to power vehicles are ( ). A: Solar energies and wind B: Charcoal and coal C: The action of human muscles and wind D: Wood and coal
- People in Europe have had more advanced technology in using wind power than Americans.
- Wind power is an ancient source of energy __________ we may return in the near future.
- They walked so fast that I could not _____ them.
- According to the author, what was one of the greatest benefits of living off the grid?
内容
- 0
The sufferings of wind power industry in the mid-1980s in the United States could be attributed to the following EXCEPT ______. A: oil crises of the 1970s B: the drop of oil prices C: lack of funding for research into renewable energy D: loss of interest in wind energy as a widely-used source of energy
- 1
What, in the writer’s view, was one of the greatest benefits of living off the grid?
- 2
A huge dog started to chase me, and I had to run.........................(so fast as I could, as fast as I could) to get away.
- 3
When writing an argument, Tom could not find a source that supports his argument, so he made one up in his essay. This is not plagiarism.
- 4
Solar panels, wind turbines, hydro power and geothermal energy and hydrocarbons (natural gas or coal) can all be used to produce hydrogen (a primary energy).