問題詳情
【題組】59. Scientists pay special attention to the study of plants because _______.
(A)they can prove the climate change clearly
(B) they are very important in the food chains
(C) they play a leading role in reducing global warming
(D)they are growing and flowering much faster than before
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)