As the industry developing in these years,most of the rivers have been contaminated by sewage (污水).
2023-07-03
A:polluted
B:downgraded
C:mixed
D:blackened
参考答案:A
B:downgraded
C:mixed
D:blackened
参考答案:A
contaminate:污染,弄脏。题干意思为:近年来随着工业的发展,多数河流被污水污染了。pollute:污染,腐蚀; downgrade:使降低,降级;mix:混合,结合;blacken:使变黑,弄黑。经过比较,pollute与contaminate意思相近,所以选择A。
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What are their motives for doing it?
2023-07-03
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