A:用洗洁精洗去餐具上的油污
B:用甲醛溶液泡制海产品
C:用熟石灰改良酸性土壤
D:用灼烧法鉴别黄铜与黄金
—Many students don't know how to____ stress and become worried.
—I think they should ask their parents for help.