2. 外语
  3. She ______ high levels of lead in her drinking water.

She ______ high levels of lead in her drinking water.

admin2010-03-19  54
问题 She ______ high levels of lead in her drinking water.
选项 A、perceived
B、spotted
C、detected
D、discerned
答案C
解析 此题考查动词近义词辨析。detect意思是“发觉，发现，侦查，探测，检定(往往借助某种仪器)”。perceive意思是“获得对…的理解，意识到”，往往通过任何一种感官，尤指视觉或听觉等直接意识到。 spot意思是“玷污，弄脏，侦察，认出，发现”，特别指用眼睛看出，辨认或认出。discern意思是“看出，察觉出”，特指用眼看见，或用智慧察觉，查出，从心理上认识或理解。
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