中国大学MOOC: As these electrons are negatively charged, they will attempt to ______ each other.
举一反三
- As these electrons are negatively charged, they will attempt to ______ each other. A: ascertain B: repel C: imitate D: uncover
- As these electrons are negatively charged, they will attempt to ______ each other. A: ascertain B: repel C: imitate D: uncover
- Two charged bodies that are attracted to each other, how electrically do they behave？ A: both positively charged B: both negatively charged C: both neutral D: One positive charge and one negative charge
- The size of the tax and the deadweight loss of a tax are A: positively related. B: negatively related. C: independent of each other. D: equal to each other.
- 中国大学MOOC: The master should take care of all guests during activities. If there are guests who don’t know each other, he must introduce them to each other.