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When a Swedish ship that sank(沉) in 1628 was recovered from the port of Stockholm, historians and scientists were overjoyed with the chance to examine the remains of the past. The ship construction showed how ships were built and operated during the seventeenth century.  In this way, artifacts, objects made by human beings, provided a picture of daily life almost 400 years ago.
Underwater archaeology(考古)-the study of ships, aircraft and human settlements that have sunk under large bodies of water-is really a product of the last 50 years.  The rapid growth of this new area of study has occurred because of the invention of better diving equipment. Besides the Swedish ship wreck(殘骸),underwater archaeologists have made more exciting discoveries such as the  5000-year-old boats in the Mediterranean Sea.
Underwater archaeology can provide facts abut the past. In ancient ports all over the world are ships sunken in the past 6, 000 years.  There are also sunken settlements in seas and lakes telling of people’s way of life and their systems of trade in ancient times. Underwater archaeologists want to study these objects to add to the world's knowledge of history, but they have to fight two enemies.  One enemy is treasure hunters who dive for ancient artifacts that they can sell to collectors.  Once sold, these objects are lost to experts.  The second enemy is dredging machines(挖掘機)often used to repair ports. These machines destroy wrecks and artifacts or bury them deeper under sand and mud. By teaching the public about the importance of underwater “museums” of the past, archaeologists are hoping to get support for laws to protect underwater treasures.
【小題1】What purpose does Paragraph 1 serve in the passage?

A.To provide background information of the topic
B.To attract readers' attention to the topic
C.To use an example to support the topic
D.To offer basic knowledge of the topic
【小題2】The aim of underwater archaeology is to    .
A.exploit(開發)water bodies B.search for underwater life
C.study underwater artifacts D.examine underwater environment
【小題3】Underwater archaeologists are worried because_____.
A.sea hunters have better diving equipment 
B.their knowledge of world history is limited 
C.dredging machines cause damage to the ports 
D.sold artifacts can hardly be regained for research
【小題4】What is the main purpose of the passage?
A.To introduce a young branch(分支) of learning.
B.To discuss the scientists’ problems.  
C.To explain people’s way of life in the past.  
D.To describe the sunken ships.


【小題1】B
【小題2】C
【小題3】D
【小題4】A

解析試題分析:文章主要告訴我們的是考古學重要的一個分支——水下考古以及水下考古的目的,面臨的困境等。
【小題1】B 推理題。文章用瑞典斯德哥爾摩港口的一艘沉船來引起讀者的興趣,來引起下文。故B正確。
【小題2】C 細節題。根據第二段前兩行Underwater archaeology(考古)-the study of ships, aircraft and human settlements that have sunk under large bodies of water-is really a product of the last 50 years.說明水下考古的目的是為了研究水下的文物,以此來研究歷史。故C正確。
【小題3】D 細節題。根據第三段倒數第五行Once sold, these objects are lost to experts.說明一旦這些文物被倒賣,專家們就無法去研究了,故D正確。
【小題4】A 主旨大意題。文章主要告訴我們的是考古學重要的一個分支——水下考古,以及水下考古的目的,面臨的困境等。故A正確。
考點:考查科普環保類閱讀
點評:本文屬于科普環保類閱讀,雖然文章中有部分不熟悉的生詞,但是并不影響文章的答案和理解,本文對于細節的要求仍然比較高,對于文章的關鍵詞部分要做標志,以提高效率。

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