Dumped waste might contaminate water supplies.A: destroyB: decreaseC: polluteD: delay

Dumped waste might contaminate water supplies.

A: destroy
B: decrease
C: pollute
D: delay

参考解析

解析:句意:废弃的垃圾可能会污染水源。常见动词的考查。句中画线单词意为“污染”。destroy意为“毁坏”decrease意为“降低”;pollute意为“污染”;delay意为“延迟”。

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