【Daily Topic】【Civil Engineering Version 20160607】
Thread Content
Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Judgment: The firmness of soil can be divided into eight categories; the first four categories correspond to rocks, while the latter four categories refer to ordinary soil. （ ）
The firmness of soil can be divided into eight categories; the first four are rocks, and the latter four are ordinary soils. ( × )
Error. Eight categories: soft loose soil, ordinary soil, hard soil, gravelly hard soil, soft rock, semi-hard rock, hard rock, and extremely hard rock. The first four categories belong to ordinary soil, while the last four categories belong to rock