The writer's purpose when writing this passage is______.
A、to describe how pruning a tree is done
B、to discuss different ways of pruning trees
C、to give practical instructions for pruning a tree
D、to explain how a tree wound gets diseased and heals
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正确答案
试题解析
45.答案为C 通过全文的介绍可知该文章讲述了修剪树木的注意事项,因此C是正确答案。