A.Teach their children about rules.
B.Guide their children on sound beliefs.
C.Influence their children in various ways.
D.Figure out children’d problems in advance.
A.A student at Princeton University.
B.The manager of a food company.
C.An employee of Home Depot.
D.CEO of TerraCycle.
A.It puts waste materials directly into new use.
B.It promotes completely namral foods.
C.It buries waste materials in landfdls.
D.It makes organic plant fertilizer.
A.From his visits to foreign companies.
B.From his studies at Princeton University.
C.Through shopping at big stores in America.
D.Through the experience of a business competition.