甘肃省定西市2022~2023学年度第二学期八年级期末监测卷(23-01-RCCZ13b)英语正在持续更新，目前趣对答案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。

attract the crows to the area.Then a person wearing a mask car- ried a dead crow into the area.The crows scolded and dive- bombed that person.Later,if someone wearing the same mask returned to the area-even if they weren't bearing a dead crow the birds scolded and dive-bombed them again. The crows were also slower to return to the feeding grounds once the area became associated with danger.Swift says,"This suggests that crows did learn that there was a dead crow here earlier,I should probably be extra careful.