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What does the passage mainly discuss? [br] The purpose of the second mention o
What does the passage mainly discuss? [br] The purpose of the second mention o
游客
2024-01-05
59
管理
问题
What does the passage mainly discuss? [br] The purpose of the second mention of "hormones" in line 4 is to point out
选项
A、chemical signals that are common among insects
B、specific responses of various species to chemical signals
C、similarities between two chemical substances
D、how insects produce different chemical substances
答案
C
解析
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