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  3. What part does the female sea horse play in having babies? The author suggests that when sea horse babies are ready to be born

What part does the female sea horse play in having babies? The author suggests that when sea horse babies are ready to be born

admin2006-07-06  71
问题 What part does the female sea horse play in having babies?
The author suggests that when sea horse babies are ready to be born ______
选项 A、the male sea horse seems very happy
B、it is difficult for them to come out
C、the female sea horse joins the male
D、they need larger space in the pouch
答案B
解析 第四段指出：当幼仔要出生的时候，雄性海马要用尾巴紧紧抓住海草茎，并且摇动、弯曲和尽力伸展身体，有时候还要借助岩石或坚硬的海藻来挤压以迫使幼仔出来，可见幼仔出生很不容易。其他三项文章都未提到。
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