As a defense against air-pollution damage, many plants and animals______a substa

游客2025-04-07  0

问题 As a defense against air-pollution damage, many plants and animals______a substance to absorb harmful chemicals.

选项 A、relieve
B、release
C、dismiss
D、discard

答案 B

解析 形近词词义辨析。relieve“解除,减轻”;release“释放”;dismiss“解散,解雇”;discard“抛弃,丢弃”。句意:作为对空气污染的防御,许多植物和动物能够释放一种物质来吸收有害的化学物质。只有选项release符合句意。故答案为B。
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