41-44        Scientists believe that something serious ishappening to the earth. It is becoming warmer. Wehave learned to help solve theproblem   41   saving energy and recycling.However, we may not know that there's somethingelse we can do.   42   our diet can also help savethe earth. For example, we can eat more localfoods. We may count   43   calories our foodhas, but we seldom count   43  miles the foodhas traveled before it reaches our table. So, nexttime before you eat,   44  to make betterand wiser choices on foods.* local當地的；calories卡路里
【題組】41.
(A) by
(B)with
(C) without
(D)from