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　　四級聽力答案及點評：短文第一篇

　　16. What are scientists trying to explain according to the passage?

　　答案：(A) How being an identical twin influences one’s identify。

　　【點評】：細節題。本篇文章開頭即指出 ‘they(scientists) are trying to explain how being half of the biological pair influences a twin’s identity.’由此可知科學家一直試圖想要解釋雙胞胎的身份人格是如何受到影響的。

　　17. What do we learn about the twin Jims?

　　答案：(B) They grew up in different surroundings。

　　【點評】：細節題。關鍵詞即是Jim 這個名字。關于兩個Jim的情況是：他們一直生長在不同家庭，直到39歲才見面。‘… grew up in different families and did not meet for 39 years.’ 他們都結過兩次婚，第二次婚姻中，妻子都叫貝蒂。‘Both men were married twice… and their second wives were both named Betty.’ 而他們的第一個孩子都是兒子 ‘Both twins named their first sons James Allen.’

　　18. Why are scientists interested in studying identical twins raised in different families?

　　答案：(A) They want to find out the relationship between environment and biology。

　　【點評】：細節題。通過對兩個Jim的研究， These twins help scientists understand the connection between environment and biology。

　　四級聽力答案及點評：短文第三篇(滬江網校版)

　　22. How big does the speaker say Andorra is?

　　答案：A. It covers 197 square meters。

　　點評：事實細節題，考查同學們對于數字的記錄。

　　23. What can be said about Andorra before the 1930s?

　　答案：D. It was cut off from the rest of the world。

　　點評：詞義判斷題，考查同學們對 “travelers had difficulty in reaching the country”的理解。

　　24. What event changed the situation in Andorra?

　　答案：C. The building of roads connecting it with neighboring countries。

　　點評：事實細節題，需要同學們聽到并理解句子“When roads were built from France and Spain to Andorra in the 1930s, life picked up speed。”

　　25. What do most people do in Andorra do nowadays?

　　答案：B. They work in the tourist industry。

　　點評：主旨大意題，從文章中的各個方面，表現出現在安道爾國家的人民大多從事旅游業。

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