1.【答案】ones,different/many【解析】根据A所在句“The first"dogs"were not like the___we have now.(最初的狗不像我们现在有的这样)”可知空白处是对上文“dogs”的指代,因为前文已经提过,且为复数,因此答案为“ones”.根据C所在句“people were able to keep the dogs for___purposes.Some were ...
题目( )4. Since thousands of years ago, dogs___ humans' friends.A. wereB. will beC. areD. have been( )5. We'll have a___ holiday. What about going to Changxing Island?A. three daysB. three-dayC. three-daysD. three-days'( )6. Every day, we___ water.A. isB. areC. be...
是省略了引导词that 的宾语从句，主句是一般过去时，从句要用相应的过去时态，从句的主语是复数，be helpful to "对……有帮助"所以be 动词用were 即 Humans believed (that) the dogs were helpful to them in many ways.人类相信狗在许多方面对他们是有帮助的。
Co-author Professor Greger Larson, Oxford University, said: “Researchers have previously suggested that dogs were domesticated across Eurasia from Europe to China, and many places in between. “The combined evidence from ancient humans and dogs is helping to refine our understanding of the deep his...
(page 9) -- that dogs are constructed by human’s need for connection and love and that dogs really do not do much for humans other than to create an image that they really care and that they are truly there for us unconditionally. However, Budiansky also notes, "No one has ...
1. Since thousands of years ago 表示“自从几千年前”,指的是从过去某个时间点开始,一直持续到现在。 2. 现在完成时 用于描述从过去开始并持续到现在的动作或状态,其结构为 have/has + 过去分词。 3. 因此,空格处需要填入一个能表示现在完成时的动词形式。 4. 选项D have been 是现在完成时,符合语法...
Humans, dogs, elephants and dolphins are all mammals(哺乳动物),but birds,fish and crocodiles are not.10. Respect and friendship provide a solid foundation(基础)for marriage.11. During these periods the birds will lie on the cage floor as if trying to lay or ___hatch(孵出)eggs.12. We ...
A 25-year-old man believed to be responsible for an explosion that ripped through a Palm Springs, California, fertility clinic left behind “anti-pro-life” writings before carrying out the attack Associated PressMay 18, 2025 ‘Final Destination: Bloodlines’ Tops Box Office While the Weeknd’...
pups would need to be around humans almost 24/7 for the first 3 weeks of their lives to bond with them. After 3 weeks the curiosity response in wolf pups becomes secondary to a fear response and bonding with humans is unlikely. Modern dogs retain their curiosity and sociabilitymuch longer....
Originally, Dachshunds were bred tohunt badgersby climbing into their burrows and dragging them out. They later evolved into more versatile dogs that hunted fox and rabbit. Dachshunds even helped in locating wounded deer. And in packs, they could hunt animals as big as wild boar!