雅思写作高分小作文范文-人体构造图
2017/7/8 15:47:36来源：新航道作者：新航道
摘要：雅思写作一直是中国考生们头疼的科目，如何攻克雅思写作?上海新航道雅思培训学校给大家带来雅思写作高分范文，希望对各位备考雅思的考生们提供帮助。
雅思写作一直是中国考生们头疼的科目，如何攻克雅思写作?上海新航道雅思培训学校给大家带来雅思写作高分范文，希望对各位备考雅思的考生们提供帮助。
雅思写作小作文题目：
The diagram shows the skeletal systems of two ancestors of modern human beings.Write a 150-word report for a university lecturer describing the diagram and making comparisons where relevant.
雅思写作小作文范文：
Variations in the skeletal systems of two early types of human are illustrated in this diagram. Overall, we can see that australopithecus afarensis had a heavier body and much longer arms, while homo erectus was slimmer and had more developed joints.
To begin with the upper half of the body, australopithecus afarensis had a much broader chest and waist than homo erectus, giving it a rounder appearance. The former had much longer arms and larger hands, which would have been useful for climbing trees.
As for the lower half of the body, we can see that homo erectus had proportionately longer legs and larger hip, knee and ankle joints. The feet of homo erectus were also smaller and more arched, with shorter toes. These differences meant that homo erectus was better suited to long-distance running.
In conclusion, we can see significant changes in the development of early humans from the diagram. Homo erectus is more similar to contemporary human beings with its long legs and arched feet. The physical differences are clearly related to differences in the lifestyles of tree climbers and endurance runners.
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