GRE作文教程汇总和更新

1.The human mind will always be superior to machines because machines are only tools of human minds.人总是比机器聪... [查看全文]

1."One can best understand the most important characteristics of a society by studying its major cities."一个人要想... [查看全文]

The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily... [查看全文]

There were two widely divergent influences on the early development of statistical methods. Statistics had a mothe... [查看全文]

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the wo... [查看全文]

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact,... [查看全文]

A folk culture is a small isolated, cohesive, conservative, nearly self- sufficient group that is homogeneous in ... [查看全文]

Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable.... [查看全文]

Icebergs are among nature’s most spectacular creations, and yet most people have never seen one. A vague ai... [查看全文]

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze... [查看全文]