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2024年衡水金卷分科综合卷 老高考英语三全国二卷
2024年衡水金卷分科综合卷 老高考英语三全国二卷正在持续更新,目前2026百师联盟答案网为大家整理了相关试题及答案,供大家查缺补漏,高效提升成绩。
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2、2024衡水金卷分科综合卷英语
3、衡水金卷先享题压轴卷2024新高考英语二
4、2024衡水金卷高三英语
5、衡水金卷先享题2023-2024高三一轮英语二
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10、衡水金卷2024英语三答案
B
By the time Robert Porter Allen was born,the whooping
crane(美洲鹤)was already in trouble,which was once common
ly found across North America.By 1941,the whooping crane
population had dwindled to the double digits(两位数).The tal-
lest species in North America were critically endangered.
The remaining cranes migrate every year from the
e Gulf
Coast of Texas to somewhere in the north of Canada to breed
)The conservation community didn't know where the birds
went.The wetlands where they used to spend winters were
growing rarer and rarer.The group had disappeared by the time
Allen started his research.
In 1942,Allen undertook the whooping crane project.Over
