A. will have been singing B. will be singing C. will have sung D. will sing 相关知识点: 试题来源: 解析 A。“by the end of the day”表示将来的某个时间点,鸟儿在这个时间点之前一直在树上唱歌,要用将来完成进行时“will have been singing”。选项 B 是将来进行时;选项 C 是将来完成时;选项...
早上起得够早的话，在你所住的地方也许能听到一阵悦耳的鸟鸣。在清晨歌唱是鸟的本能行为，但是鸟鸣为什么都在清晨呢？According to the Woodland Trust, this early singing is known as the dawn chorus, and it can start as early as 4 am and last for several hours. Birds do it to attract mates an...
Evolutionists have never been able to completely explain why birdsong is so inventive and why many species devote so many hours to singing. The standard explanations of defending territories and attracting mates don't begin to account for the variety and energy that the commonest birds exhibit. ...
birds singing 鸟儿歌唱 词根词缀及记忆方法:“birds”由词根“bird”和复数后缀“-s”构成。词根“bird”表示“鸟”,而“-s”则是英语中常见的复数后缀。通过词根词缀的记忆方法,我们可以轻松记住“birds”是“bird”的复数形式。 单词造句: I saw many beautiful birds in the zoo. 我在动物园里看到了许多美丽...
According to the Woodland Trust, this early singing is known as the dawn chorus, and it can start as early as 4 am and last for several hours. Birds do it to attract mates and warn other birds to avoid their turf. One theory as to why they opt for the wee hours to communicate thes...
According to the Woodland Trust, this early singing is known as the dawn chorus, and it can start as early as 4 am and last for several hours. Birds do it to attract mates and warn other birds to avoid their t...
Birds of a Feather: Creato da Maurice Gran, Laurence Marks. Con Linda Robson, Lesley Joseph, Pauline Quirke, Alun Lewis. Comedy series following the lives of sisters Tracey and Sharon who are left to fend for themselves after their husbands are arrested
根据第二段“This means hours every day for some species, and that takes a lot of energy. Plus, singing can be dangerous.(对一些物种来说,这意味着每天需要几个小时,这需要大量的能量。另外,唱歌可能很危险)”和第三段““As soon as you sing, you reveal yourself,” she says. “Like, where ...
Hours of climbing, I enjoyed the flowers and trees, and the birds' singing. But as time passed, I got a pain in both of my legs. I wanted to quit climbing, but my father said to me, "You can always see a beautiful sky at the top of the mountain, but you can't see it before...
根据文中However, they sing most of the time for a very different reason. Their singing is actually a warning to other birds to stay out of their territory.可知,更多情况下,它们的歌唱实际是让其他鸟类置身于它们领域之外的警告。故选D。 根据文中A territory is an area that an animal, usually ...