60. Why is it difficult to find a wild bees' nest?
(A) It's small in size.
(B) It's hidden in trees.
(C) It's covered with wax.
(D) It's hard to recognize.

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統計： 尚無統計資料

詳解 (共 1 筆)

#1202550

根据文章第—段“Often, these nests are high up in trees, and it is difficult to find them. ”可知B 是正确的。

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