問題詳情
【題組】68．According to the text, which of the following is NOT true?
(A)Soil forms from weathered rock on the earth surface．
(B)The deeper layer of soil is darker in colour than the surface soil．
(C)Air pollution is partially responsible for acid soil．
(D)Groundwater tends to carry away nutrients for plant growth．
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)