阿摩線上測驗
50.
(A)The ripples of rising corn prices have also spread beyond Amer ica＇s
borders.
(B)Ethanol also can be made from materials such as wood and grasses.
(C)Just last year alone, the United States produced almost 5 billion gallons
of the fuel.
(D)The boom in corn demand helps boost the farm economies in many states
答案：登入後查看
統計： A(47), B(4), C(16), D(11), E(0) #678535
統計： A(47), B(4), C(16), D(11), E(0) #678535
