A: kerosene as a cooking fuel.
B: biomass as a cooking fuel.
C: solar power as a cooking fuel.
举一反三
- Ways to produce hydrogen fuel include producing it from nuclear power, biomass, algae, artificial photosynthesis, direct solar and coal gasification.
- The rooftop solar water heaters provide ______ without consuming any fuel.
- Electricity generated from hydroelectric dams and wind power is more _______ than fossil fuel generated power.
- Fuel cell is more promising than solar energy and wind energy because it is free from environmental restrictions and pollution.
- Already there are many ( ) fuel vehicles on the market, powered by anything from solar power to natural gas.
内容
- 0
In the fuel supply system of marine diesel engine, the displacement of the supply pump should be _____ the fuel consumption of the main engine to ensure that the main engine can get enough fuel supply. A: more than B: equal to C: less than D: AorBorC
- 1
The fuel oil system in the ship's engine room is not included . A: Fuel purifying system B: Fuel transfer system C: Fuel supply system D: Fuel cooling system
- 2
Which of the following statement is true? A: There are less cooking utensils in Chinese cooking because Chinese people don't care about that. B: There is no scientific thinking mode in Western food culture. C: There are more kinds of cooking utensils in Chinese cooking than those in Western food cooking. D: The variety of cooking utensils in Western food cooking can show a mind of scientific method.
- 3
Biomass is the only new energy that can replace fuel on a large scale.
- 4
Brazil is the world’s second largest producer of ______. A: biofuel B: fossil fuel C: corn fuel D: ethanol fuel