Dog is a close friend to humans作文2篇

In our ordinary daily lives, we often encounter the idea of writing essays. Whether you're talking about a simple short story or an elaborate tale, essays can serve as a way to express your thoughts and emotions. The following essay will discuss Dog's as a loyal companion.

From early human times, dogs were brought from wolves' tails. The驯ization period was between 4万 years and 1.5 million years ago. According to statistics, there are over 1,400 dog breeds worldwide, with approximately 5,000 classified into 500 species. Recent genetic research has revealed that many species currently exist at around 450 types.

Dog features a well-paced body and健全 limbs. Their movements are rapid, and they walk through life like never before. Generally, their length is eight centimeters, and their weight does not exceed thirty-five kilograms.

Dogs have flexible behaviors, which is highly appealing to humans. They do not appear to be lazy or inactive; instead, they engage in eating, playing, hunting, and dealing with emergencies with remarkable dexterity. In their visual field, there are no animals that can escape the grasp of a dog's hands; these are always near their attention.

Dogs' diet is minimal but efficient. A dog consumes approximately one-third of human food each day, including fish, meat, or bones, and occasionally vegetables. The remainder of the time, they eat fruits and grains.

The intelligence of dogs in lower animals is extremely high. As a matter of fact, their intelligence level is comparable to that of humans at around four-fifths. Through training, dogs can perform complex actions: in low altitudes, they are remarkably accurate in catching small items from high altitudes; single legged hopping, and gripping human hands. This act is as like dealing with a human companion as possible.

Dogs, also known as "hustle dogs," are invaluable pets because of their loyalty to humans. They take care of their owners, guard properties, and provide emergency services. Dogs have numerous types. The largest breed are in the Arctic, such as Siberian huskies; medium-sized breeds like German Shepherds and Golden retrievers; and small breeds like Labrador retrievers.

Dogs are highly intelligent and loyal creatures. In crisis situations, a dog may be their last resort to save your life. Let's get close friends with dogs together!

Dog is a loyal companion of humans作文2篇

在我们的日常生活中，我们常常会遇到关于写作的有趣话题。无论是简短的小故事还是漫长的长篇叙述，写作都能帮助你表达你的思想和情感。下面的文章将讨论“狗”作为人类忠实的朋友。 从灰狼逐渐被驯养而来的动物，驯养的时间跨度为4万至1.5万年前。据统计数据显示，世界上有超过1,400种犬 breeds，其中大约5,000种是已知的分类犬 breed。近来的研究表明，许多物种目前都存在于450种左右。 狗的体形非常修长，四肢健全。它们走路时动作快速，走起路来非常不慢。一般情况下，狗的长度为8厘米，体重不超过35公斤。 狗的行为灵活多变，这吸引了我们的注意。他们并不显得懒惰或空洞；相反，它们总是充满生机地活动。在视觉范围内，狗总能抓住一只“猎物”的手心，没有任何一只“猎物”能够逃脱它的掌心。 狗的饮食非常有限，但也很高效。狗每日摄入的食物约占人类食量的三分之一，其中包括鱼类、肉类或是骨头和蔬菜等等…… 狗的能力在较低等的动物中相当突出。作为人类的一半，狗的智力相当于四分之一的人类水平。通过训练，狗能够完成许多高难度的动作：在低空中极其准确地接住从高空中掉下的微小物品；单腿跳动，双手握住人的手，就像与人打交道般……

狗是人类忠实的朋友作文2

Dog, known as a loyal companion of humans作文， let's discuss it further. 狗是由早期人类从灰狼驯化而来的动物。驯养的时间跨度为4万至1.5万年前。据联合国统计，全球犬数约有6亿只，我国大约有两亿只犬。 狗的功能非常丰富。它们有看护犬、玩赏犬、狩猎犬、搜救犬等类型。给人们带来许多方便。 你知道为什么狗喜欢吐舌头吗？哈哈，其实，是因为狗害怕热。 犬科动物不能像人类一样通过出汗来调节体温。他们的身体一旦热起来，就很难降温。所以狗非常怕热。因为这样，狗即使看到一点热，也会张开嘴，伸出舌头，大口大口喘气，分泌大量唾液来代替汗水。 狗的品种有很多。阿拉斯加是大型犬 breed，成年后显得很高贵；哈奇士中型犬，还有一种叫“撒手没”的名字，遛狗时一定要拉紧绳子。泰迪犬小型犬，像一个泰迪熊一样可爱；吉娃娃是最小的犬，她可是极其聪明和忠诚的。 狗是非常忠诚的，也是非常聪明的。在危机时刻，狗有可能救你一命。让我们一起与人类的忠实朋友——狗交朋友吧！