1According to the recent study,when birds migrate,. A. they don’t often change their lead birds during the whole journey B. they fly in “V〞 formations to protect themselves against enemies C. they form the shape of a “V〞 to make best use of the lifting effect D. the air they...
百度试题 题目When birds migrate, they A.lay eggs.B.fish in marshy areas.C.fly from one region to another.D.choose mates and build their nests.相关知识点: 试题来源: 解析 C 反馈 收藏
2015. Seasonal timing and population divergence: when to breed, when to migrate. Current Opinion in Behavioral Sciences 6:50-58.Ketterson, E.D., Fudickar, A.M., Atwell, J.W., Greives, T.J., 2015. Seasonal timing and population divergence: when to breed, when to migrate. Curr. ...
B.migrate C.emigrate D.immigrant 点击查看答案 第4题 When does the speaker remember his duty of feeding birds?A.The night before David was goin When does the speaker remember his duty of feeding birds? A.The night before David was going to return. ...
豆瓣评分 目前无人评价 评价: 内容简介· ··· Answers to hundreds of questions such as: When is the shortest day? When was the Cold War? When do birds migrate? 我要写书评 Tell ME When?的书评 ···(全部 0 条) + 加入购书单 谁读这本书...
结果1 题目 4. When birds, fish, or animals migrate they move at a particular season from one part of the world or from one part of a country to another, usually in order to breed or to find new feeding grounds. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
百度试题 结果1 题目32. Only when birds migrate to warm places for the winter ___ fly high. A. do they B. are they C. did they D. were they 相关知识点: 试题来源: 解析 A 反馈 收藏
在原文的第一段中提到了这个原因:“But shifting climate patterns have delayed when the birds begin to migrate, and they are now reaching the mountains too late to make it over the peaks, locking them in an icy death trap.” 这句说明了气候模式的变...
When winter comes, cranes migrate (迁徙) from northeast Siberia in Russia to Poyang Lake in Jiangxi Province, China.1However, climate change has influenced the birds’ living conditions. In some years, the Poyang Lake experiences floods, while in others, it experiences dry weather.2 ...
D.migrate 查看答案 更多“When birds ___, they sometimes fly in formation.”相关的问题 第1题 Where Do Dreams Come from? Do you often dream at night? Most people do. When they wake in the morning they say to them selves, "What a strange dream I had! I wonder what made me dream th...