A：2H2+O2═H2O
B：NH3+HCl═NH4Cl
C：4Fe（OH）2+2H2O+O2═4Fe（OH）3
D：2Na2O2+2H2O═4NaOH+O2↑
It's six o'clock in the afternoon. It's time for 1！Jenny and Li Ming are2. Jenny's mother is 3 in the kitchen. Jenny and Li Ming help Mrs. Smith 4 the vegetables. After dinner, Mrs. Smith washes the 5 dishes. Li Ming dries the dishes.
肺的结构与呼吸功能相适应，与此无直接关系的叙述是（ ）
我国海洋污染总量的80%来自于____ ．
