Câu hỏi :

The passage states that resin____.

A. is found only in the bristlecone pine

B. helps stop rot from starting

C. assists the tree trunks to develop

D. flows from the branches to the tree trunk

* Đáp án

B

* Hướng dẫn giải

Dẫn chứng: An additional factor that contributes to the long life of the bristlecone pine is that this type of tree has a high percentage of resin, which prevents rot from developing in the tree trunk and branches.

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