The lumbermen search the forests for valuable trees and choose the ones that ________.

Câu hỏi :

The lumbermen search the forests for valuable trees and choose the ones that ________.

A. are easy to cut down

B. mature very slowly

C. are tropical species

D. are near to rivers

* Đáp án

D

* Hướng dẫn giải

The lumberman combs the forests, therefore, removing the valuable trees that are convenient to waterways, and floating them downstream to a saw-mill.

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