2. 职称英语
  3. A、has been decreased latelyB、has been increased latelyC、has been underestimate

A、has been decreased latelyB、has been increased latelyC、has been underestimate

游客2023-08-06  75
问题
选项 A、has been decreased lately
B、has been increased lately
C、has been underestimated
D、has been overestimated
答案 D
解析 最后一段第1句表明Markku Kanninen认为碳汇数据有改善的必要，not precise说明碳汇数据一直以来不够准确，但到底数据是“过高”，还是“过低”呢?结合第1段首句就知道了，该句中的less…than we thought表明我们一直都高估了森林存储碳的能力。因此本题应选D，并排除C。
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