問題詳情

47. According to the passage above, which of the following statements is TRUE?
(A) Humans might have raised the level of carbon dioxide by 40% in this century.
(B) All life runs on fossil fuels.
(C) Some plants convert carbon into glucose.
(D) Extra gas could always supercharge food crops.
(E) Plant growth depends more on fossil fuels than on gas.

參考答案

答案:C
難度:非常困難0
統計:A(1),B(0),C(0),D(0),E(0)

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