2015年全国硕士研究生入学统一考试英语（一）真题（翻译）

Read the following text carefully and then translate the underlined segments into Chinese. Your translation should be written clearly on the ANSWER SHEET. (10 points)

46) This movement，driven by powerful and diverse motivations, built a nation out of a wilderness and, by its nature, shaped the character and destiny of an uncharted continent.

47)The United States is the product of two principal forces—the immigration of European peoples with their varied ideas, customs, and national characteristics and the impact of a new country which modified these traits.

48)But the force of geographic conditions peculiar to America, the interplay of the varied national groups upon one another, and the sheer difficulty of maintaining old-world ways in a raw, new continent caused significant changes.

49)The first shiploads of immigrants bound for the territory which is now the United States crossed the Atlantic more than a hundred years after the 15th- and -16th-century explorations of North America.

50)The virgin forest with its richness and variety of trees was a real treasure-house which extended from Maine all the way down to Georgia.