乐于助人的

According the theory of kin selection, humans tend to act altruistically

题干问："根据亲缘选择理论，人类往往进行乐于助人的行为是由于……。"根据原文第2自然段。

He is a very obliging, amiable person.

他是一个非常乐于助人的和蔼可亲的人。

I'm responsible,hard-working and willing to help others.

因为我是一个有责任心，工作努力，乐于助人的人。

You are a study to make improvements, helpfulness of the child.

你是个好学上进、乐于助人的好孩子。

We appreciate his readiness to help others.

我们很感激他乐于助人的态度。

We all admire his readiness to help others.

我们都佩服他乐于助人的精神。

He is a good man to help others during the procedure of his self-development.

在自我发展过程中乐于助人的人是善人。

At school, I am a healthy, studious, and helpful student.

我是一个爱学习、勤思考、乐于助人的女孩。

You should become a welfare worker; you have a vocation for helping people.

你应该去从事社会福利工作，因为你有乐于助人的禀性。

"Well, the corn is ninety-five cents," I said in my most helpful voice.

&哦，罐头玉米是95 美分，&我用最乐于助人的口吻说道。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。