The leaves change color during the fall season. Season One of the four main divisions of the year. Many birds migrate during the winter season. Common Curiosities What causes a Season to change? The Earth's axial tilt and its orbit around the sun cause seasons to change. 14 How is Climat...
解析 Birds **migrated** from north to south last week. 问题是 Birds___(migrate) from north to south last week. 空格处需要根据句意及语法规则填写单词。 句子意思是:鸟类上周从北方迁徙到南方。 last week提示句子应该用一般过去时,migrate的过去式是migrated。反馈...
1. **Some Birds Go** 的中心思想是 **Some birds migrate**。 2. 红尾鹰和黄莺的不同之处在于 **Red-tailed hawks migrate alone**。 3. **Many birds migrate before winter** 是陈述一个事实的句子。 **第一题:** 题目问的是“Some Birds Go”的中心思想是什么? - A选项说一些鸟类成群迁徙。
根据Winter is cold in some places.Many plants do not grow during winter.Some plants die.Snow and ice may cover the ground.It can be difficult for animals to find food during winter.(有些地方冬天很冷。许多植物在冬天不生长。一些植物死亡。冰雪可能会覆盖地面。动物在冬天...
3. We can infer (推断) from the passage that ___. A.the leader of the snow geese flock plays an important role B.whooper swans travel in large groups without stop C.all the birds migrate in winter for food and warmer places D.the ...
From biology classes at school, we know about animal migration. Birds flying south for the winter is a clear example of a seasonal migration. Animals migrate within one country and across borders. National borders are obviously of no importance for them. ...
What can we infer from the text? A. Birds have to migrate from Africa to Europe in winter B. Global warming is bad for all birds worldwide C. Birds that are of small size don’t need to migrate D. Some birds have to migrate unless they adapt to climate change ...
Most North American belted kingfishers migrate south during the winter months, though some males of the species are known to stay behind, where they must find unfrozen water in which to hunt. Though scientists don't understand why some males of the species do not migrate, they suspect it ...
In spring time, they migrate northwards even though there probably is snow still covering the ground when they finally arrive. Something said “go,” and they did. Animals that hibernate (冬眠) are obeying individual time clocks, too. When their clock indicates the time to take a winter’s ...
by other birds, likewoodpeckers. This alternative food source helps them sustain their energy levels when nectar is not readily available. Ruby-throated hummingbirds migrate long distances to find suitable food sources, adjusting their diets accordingly to ensure their survival during the winter ...