The outer layer of the bark Ainsulating the tree from the Bweather, protects the

游客2025-02-04 35

问题 The outer layer of the bark Ainsulating the tree from the Bweather, protects the tree Cfrom animals, and Dforms a barrier against fungi.

选项 A、
B、
C、
D、

答案 A

解析 Insulating is not parallel to the other verbs in the list, protects and forms. Correction: insulates.

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TheouterlayerofthebarkAinsulatingthetreefromtheBweather,protectsthe