問題詳情
【題組】31. During the procedure described in paragraph 3, when clay particles are placed into waterthey
(A) stick to the sides of the water container
(B) take some time to sink to the bottom
(C) separate into different sizes
(D) dissolve quickly
參考答案
答案：B
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)