46. Which title best describes this passage?
(A) The ways of fishing among coral reefs.
(B) The threats to coral reefs.
(C) The different uses of coral.
(D) The underwater world in the future.

答案：登入後查看
統計： A(4), B(67), C(8), D(9), E(0) #1213356

詳解 (共 1 筆)

#3708202
珊瑚礁面臨的威脅。
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