Past assessments of the Brazilian rain forest have used satellite images to tally deforested areas, where farmers and ranchers have clear-cut and burned all the trees, but such work has not addressed either logging, which is the removal of only selected trees, as well as surface fires, burning down individual trees but do not denude the forest.
Past assessments of the Brazilian rain forest have used satellite images to tally deforested areas, where farmers and ranchers have clear-cut and burned all the trees, but such work has not addressed either logging, which is the removal of only selected trees, as well as surface fires, burning down individual trees but do not denude the forest.
which is the removal of only selected trees, as well as surface fires, burning
which removes only selected trees, or surface fires that burn
which removes only selected trees, along with surface fires that burn
removing only selected trees, or surface fires, burning
removing only selected trees, as well as surface fires that burn 答案是B,为什么D不行呢。