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题目内容
New Zealand`s breakaway landmass proved ______ sanctuary for the tuatara, for the island lacked any terrestrial mammals that would dig up the tuatara`s slowly maturing eggs or pick off adolescents before they had a chance to breed.
- Aa temporary
- Ban excellent
- Can agreeable
- Dan endangered
- Ea complicated
- Fa difficult
B,C显示答案
以上解析由 考满分老师提供。