Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions
The forests of the tropics produce a magnificent growth of trees, but commercial lumbering is inhibited by problems that increase the cost of removal. The proliferation of species that is common to all tropical forests creates difficulties because many species are worthless. The lumberman combs the forests, therefore, removing the valuable trees that are convenient to waterways, and floating them downstream to a saw-mill. Unfortunately, tropical hardwoods tend to grow slowly; an area once cleared needs substantial time to recover, forcing the saw-mill to become mobile. Distance to market tends to be considerable, raising costs of the high costs associated with production. Other trees are left untouched.
Câu 29 : What is the main topic of the passage?
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Lời giải:
Báo saiTạm dịch:
Tìm ý chính của đoạn văn.
Chi phí cao của việc buôn bán ở các vùng nhiệt đới.
Câu 30 : According to the passage, one of the problems of commercial lumbering is that ______.
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Lời giải:
Báo saiThe forests of the tropics produce a magnificent growth of trees, but commercial lumbering is inhibited by problems that increase the cost of removal. The proliferation of species that is common to all tropical forests creates difficulties because many species are worthless.
Câu 31 : The lumbermen search the forests for valuable trees and choose the ones that ________.
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Lời giải:
Báo saiThe lumberman combs the forests, therefore, removing the valuable trees that are convenient to waterways, and floating them downstream to a saw-mill.
Câu 32 : According to the passage, the saw-mills have to be mobile because they are______.
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Lời giải:
Báo saiUnfortunately, tropical hardwoods tend to grow slowly; an area once cleared needs substantial time to recover, forcing the saw-mill to become mobile.
Câu 33 : The word “valuable” in line 4 means_____________
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Lời giải:
Báo saiTừ đồng nghĩa:
valuable = precious: quý, có giá trị
Đề thi HK2 môn Tiếng Anh 12 năm 2021
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