I'd like __________ and __________.
A:two tomatos; three kilos of meat
B:two tomatoes; three kiloes of meat
C:two tomatoes; three kilos of meat
D:two tomatos; three kiloes of meat
①2Na2O2+2H2O=4NaOH+O2 ②3S+6NaOH △__ 2Na2S+Na2SO3+3H2O ③SiO2+3C 高温__ SiC+2CO↑ ④4HCl(浓)+MnO2 △__ MnCl2+Cl2↑+2H2O
读“黄土高原示意图”,完成下列要求: