Electrical energy may be divided into two components () as positive and negative.
A: distinguished
B: specified
C: separated
D: indicated
A: distinguished
B: specified
C: separated
D: indicated
举一反三
- Sustainable Energy has two key components: ______ and ______ .
- According to the principle of effective market classification, the external balance schedule may have a ( ) slope. A: positive or negative B: positive C: negative D: none
- Take two examples of positive and negative externalities.
- Words<br/>may have positive and negative connotations. ()
- Work is（ ）when energy is removed from the system. A: positive B: negative C: down D: Not sure