A.20~24℃ B.25~30℃ C.30~35℃ D.35~40℃ E.40~45℃
A.13%~14% B.14%~16% C.17%~18% D.18%~19% E.19%~20%
A.鉛 B.甲基汞 C.砷 D.鎘 E.銅