42 According to the passage, which of the following statements is true?
(A)Farmers have nothing to do with raising our standard of living.
(B)Thanks to selective breeding, animal breeders raise more fatty chickens.
(C)Biological advances in food production give us a higher standard of living.
(D)Sweet corn and popcorn add variety to our lifestyle.

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統計: A(24), B(105), C(741), D(101), E(1) #610804

詳解 (共 4 筆)

#2247663
(A)整篇文章都在講biological...
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Animal breeders also have had much success. The pig, chicken, and cow of today are much different animals from those available even 100 years ago. Chickens lay more eggs, dairy cows give more milk, and beef cattle grow faster. All of these improvements raise our standard of living.

這全部的改良提升生活的標準。 

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#6343614
答案是 (C) Biological a...
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#6343624
答案是 (C) Biological a...
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