We can learn from the passage that________.
A: as far as energy source is concerned, salt water is useless because of its chemical properties
B: the working principle of an vibrating water column is to use water as a direct power driving a generator
C: Britain is pursuing a method that the Japanese have already put into practice
D: Britain is the most advanced country in developing new energy source
A: as far as energy source is concerned, salt water is useless because of its chemical properties
B: the working principle of an vibrating water column is to use water as a direct power driving a generator
C: Britain is pursuing a method that the Japanese have already put into practice
D: Britain is the most advanced country in developing new energy source
举一反三
- According to the first two paragraphs,________. A: the use of water is a completely new concept B: the sea has long been used as a way of power C: water is a source of energy far more economical than any other energies D: water, if properly handled, may present a promising solution to energy crisis
- This passage centers mainly on ______ . A: harnessing energy through chemistry B: our last source of power C: how water power is produced D: the amount of solar energy that can be utilized
- Water wheels are machines that use the energy of ______ to turn a wheel. The axle of the turning wheel can then power other machines to do work.
- 单选题 ( 2.0 分 )<br/>Which of the following statements is true according to the<br/>passage? A: Nuclear power is a safe and reliable energy source. B: solar energy is always available as a source of energy. C: Water and steam energy has been successfully used in some<br/>countries. D: The real solution to energy crisis lies in natural sources of<br/>energy.
- The passage is intended to advise people______. A．to make use of rubbish B．to save energy and water C．to recycle reusable products D．to have a green living