答:这个旅行团一共要乘26辆观光缆车。
下列句子中,加线词的意义相同的一组是( )。
— Leonardo didn't win an Oscar __________ he acted in The Revenant《荒野猎人》.
— Yeah. It was hard for him to realize this dream, but he never gave up.
2C(s)+O2(g)=2CO(g)△H=﹣220kJ•mol﹣1.
其中H﹣H和O﹣H键的键能分别为436kJ•mol﹣1和462kJ•mol﹣1,则O=O键的键能为( )