In addition to their (usefulness) as scavengers, birds are of (enormous value) t

游客2024-01-05 38

问题 In addition to their (usefulness) as scavengers, birds are of (enormous value) to humans (because) of they eat insects and control the (spread) of weeds.

选项 A、usefulness
B、enormous value
C、because
D、spread

答案 C

解析

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In addition to their (usefulness) as scavengers, birds are of (enormous value) t

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