举一反三
- Energy crisis is basically caused by shortage of energy in a certain country.
- The approach to semantic study that is more concerned with the relationship between linguistic expressions and the phenomena in the world to which they refer may be called ________.
- 中国大学MOOC: According to Laozi, all the phenomena in nature occur _________ and naturally.
- There are two kinds of phenomena in the objective world。 The first is the phenomenon that will happen under certain conditions， which is called inevitable phenomenon。 The second kind is the phenomenon that may or may not happen under certain conditions， which is called random phenomenon。 （ ）
- In the text, the author aims to justify that effective solutions to energy crisis must come from a body of diverse energy technologies.
内容
- 0
Type 2 diabetes only occur in adults while Type 1 diabetes may occur in children.
- 1
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.
- 2
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
- 3
The 1973 oil embargo and 1979 energy crisis caused a reorganization of energy policies around the world and brought renewed attention to developing solar technologies.
- 4
Which of the following phenomena belongs to an adiabatic process ?() A: The temperature of the system remains unchanged B: The system does not absorb heat from the environment C: No heat exchange between the system and the environment D: The internal energy of the system remains unchanged