We have made the task of balancing equations ____ easy by considering fairly simple reactions.
举一反三
- The task wasn’t easy, but we managed it _____.
- Reactions that produces a precipitate are all exothermic reactions.
- Exothermic reactions are faster than endothermic reactions.
- Exothermic reactions are faster than endothermic reactions. A: 正确 B: 错误
- 大错误没有犯， 小错误没有断， 因为我们没有经验。 A: Since we haven’t made any major mistakes, we have made many minor ones, because we have no experience. B: As we haven’t made any major mistakes, we have made many minor ones, because we have no experience. C: Although we haven’t made any major mistakes, we have made many minor ones, because we have no experience. D: We haven’t made any major mistakes, we have made minor ones, because we have no experience.