工业上生产MnO2和Zn的主要反应有① MnO2 + ZnS + 2H2SO4 = MnSO4 + ZnSO4 + S + 2H2O② MnSO4 + ZnSO4 + 2H2OMnO2 + Zn + 2H2SO4下列说法不正确的是
All the dishes in this menu, ______ otherwise stated, will serve two to three people.
The children loved their day trip, and they enjoyed the horse ride ______.
Progress______ so far very good and we are sure that the work will be finished on time.
Charles was alone at home, with_______ looking after him.
It is often ______ that human beings are naturally equipped to speak.