42 According to the passage, what can people do to reduce the use of pesticides?
(A)By growing less food
(B)By killing more parasites
(C)By going organic
(D)By making a new kind of chemicals
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統計: A(10), B(32), C(215), D(21), E(0) #1332543
統計: A(10), B(32), C(215), D(21), E(0) #1332543