Hydrogen, which is ______ than off, is pretty easy to produce and does no harm to the environment.
A: much energy more abundant source
B: an energy source more abundant
C: a much more energy abundant source
D: a much more abundant energy source
A: much energy more abundant source
B: an energy source more abundant
C: a much more energy abundant source
D: a much more abundant energy source
举一反三
- 智慧职教: The reserve source of energy must be tested_____under GMDSS if the reserve source of energy is a motor generator,not a battery.
- It takes more energy to create paper than it does to recycle paper.
- What should we do to protect the environment in daily life? A: using clean energy, such as solar energy and wind energy B: using more electricity C: reducing the cost of fund (资金) D: having more bikes
- (The more) kinetic (energy in) the particles of (a material), the (hottest) the material is.（） A: The more B: energy in C: a material D: hottest
- When an animal consumes more energy than it needs, the excess energy is mainly stored in the body in the form of fat.