阿摩線上測驗
44. What advantage does the prickly pear cactus have over other biofuel crops?
(A) It generates more energy.
(B) It will not influence food prices.
(C) It may replace feed for livestock.
(D) It can increase global food production.
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統計： A(54), B(171), C(18), D(14), E(0) #2611703
統計： A(54), B(171), C(18), D(14), E(0) #2611703
