2. 职称英语
  3. When acid rain attacks stone, it does not remain confined to the surface; instea

When acid rain attacks stone, it does not remain confined to the surface; instea

游客2025-02-20  7
问题 When acid rain attacks stone, it does not remain confined to the surface; instead, it ______the stone.
选项
答案 B，C
解析 not…instead…表示“不是……而是……”，前后反义重复。空格与remain confined to the surface(停留在表面)反义重复。displace替代，pierce渗入，penetrate渗入，illuminate照明，distill(通过蒸馏)使纯净，purify使纯净。答案选BC。注：这里distill和purify是干扰项，同表示“使纯净”。
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