D. The fact that dogs have more cone cells than humans. 相关知识点: 试题来源: 解析 通读本段,特别是第一句“A dog's eyes have many similarities with human eyes"可知,本段主要介绍了狗的眼睛和 人的眼睛的相似之处。 故答案为B 反馈 收藏 ...
Dog lovers are well aware of the ability of a dog to communicate with its eyes. Now, scientific research suggests this ability developed over time as dogs learned to live with humans. Dogs are known in many cultures as ”man’s best friend“, and the eyes can be one of the loveliest ...
"To us, the most likely explanation appears to be that the basis lies in their living with humans, which gives them a lot of exposure to human facial expressions," and this exposure has provided them with many chances to learn to distinguish between them, Muller said.穆勒说:“对我们来说，...
The tested animals had relatively large higher-order wavefront aberrations when compared with healthy human eyes. Measurement reproducibility was affected by tear layer effects. This variability could be further reduced using a larger sensor area, specific head contention device and artificial tears. The...
(heartworm) and the nodule wormsDirofilaria repensandDirofilariasp. Hong Kong genotype can all produce long-term infection in dogs and be transmitted zoonotically, with human exposure to these parasites correlating with their prevalence in local canine populations (Ambily et al., 2011;Frangipane di ...
根据前文的“Just as with humans, the eyes can be one of the most”结合选项可知,狗的眼睛是吸引人的。故选D项。 (2)题详解: 考查动词短语辨析。句意:但一项新的研究发现,有证据表明,狗通过身体发育,呈现出“小狗的眼睛”,作为一种帮助与人类联系的方式。A. improve on改进;B. connect with与……...
They also studied the dogs ’ and wolves' behavior.And when communicating with a human for two minutes,the dogs raised their inner eyebrows more and at higher intensities than the wolves.The researchers suggest that dogs developed in physical ways to present "puppy dog eyes" as a way to get...
Learn about the Siberian Husky dog breed including information about its history, personality, and what it's like to live with one.
Nicole is a lover of animals of all sizes but is especially fascinated with the feline variety. She’s the proud mom of Baby, a Burmese, and works every day so he can relax in the sunshine or by the fire. She’s always had a cat in her home and has spent countless days with othe...
For instance, suppose your cute puppy raises up on two feet and places paws on your leg, and looks up at you with those “I love you” puppy eyes, and barks. Most of us will automatically reach down to touch or pick up the puppy. Yikes, you are teaching your puppy to jump up and...