Question

6．America's greatest technological achievement，the Hoover Dam，now has a companion piece，a bridge held up by the longest arch in the Western Hemisphere（半球）．The Mike O'Callaghan-Pat Tillman Memorial Bridge，which opened this month and connects the U．S．states of Arizona and Nevada，crosses the vast chasm（峽谷）890 feet above the Colorado River that is controlled by the dam．
The striking 1，900-foot-long structure will improve traffic in the region and help protect the dam from being destroyed．It is the seventh highest bridge in the world，behind four in China，one in Papua New Guinea and one in the US state of Colorado．
"The Hoover Dam is the greatest civil engineering achievement in America's history，"said the bridge project manager Dave Zanatell．"Our goal was not to outdo or outshine it．Our goal was to，in a respectful way，do something that would be great for our generation and that would stand besides Hoover Dam in a respectful and quality way that would become a part of Hoover's legacy（遺產(chǎn)）．"
Just as the Hoover Dam was built in the heart of the Great Depression（大蕭條）and was seen as an example of the nation's can-do spirit，some hope this project can also provide some uplift．
The bridge is surprising：at 1，050 feet，its support arch holds up a roadway that lies on 300-foot-long concrete pillars（柱子），some of the tallest in the world．It contains 16 million pounds of steel．
　　The idea of the bridge came into being in the 1960s because the top of the Hoover Dam has been a narrow two-lane road that is the fastest route from Arizona to Las Vegas and then the Pacific Northwest and Canada．
  　Access to the dam from each direction is a dangerously winding route，but massive trucks and passenger vehicles shared it for decades．During the day，when thousands of tourists travel to the dam from Las Vegas three times as many accidents as on a normal road will happen．
  　The bridge has a sidewalk on the side facing the dam．The wall on both sides is 54 inches high，so walkers can take photos there．
64．Which of the following is true of the Hoover Dam？B
A．It was completed recently．
B．It was built during the hard times．
C．It has the longest arch．
D．It's the seventh highest dam in the world．
65．What is one of the purposes of building the bridge？A
A．To protect the dam
B．To save the cultures．
C．To outdo the dam
D．To develop the tourism．
66．The underlined word"uplift"in Paragraph 4 meansC．
A．lift of the heavy object             
B．support in money
C．spiritual encouragement              
D．instruction in technology
67．Which of the followings shows the right position of the bridge and dam？A

68．The text is mainly aboutD．
A．the Hoover Dam                       
B．American western development
C．a(chǎn) tour along the Colorado River          
D．a(chǎn) recently built bridge．

Answer 1

分析 為了改善交通問題和保護大壩而修建的一座大橋和這座大橋的具體情況．

解答 64．B 細節(jié)理解題．根據(jù)文中句子Just as the Hoover Dam was built in the heart of the Great Depression可見胡佛大壩建在大蕭條時期，所以答案選B．
65．A 細節(jié)理解題．The striking 1，900-foot-long structure will improve traffic in the region and help protect the dam from being destroyed引人注目的1900英尺長的結(jié)構(gòu)將改善該地區(qū)的交通，并有助于保護大壩不被破壞，可見修建這個大橋不僅是改善交通的問題而且也是為了保護大壩不受破壞，所以答案選A．
66．C 推理判斷題．根據(jù)前文中寫的這個大壩是在大蕭條時期建成的是民族精神的榜樣，后文some hope this project can also provide some uplift．這個項目也提供了一些其他方面的希望，可以猜測uplift是一種精神上的鼓勵，所以答案選C．
67．A 細節(jié)理解題，crosses the vast chasm（峽谷）890 feet above the Colorado River that is controlled by the dam．穿過巨大的鴻溝（峽谷）在，是由大壩控制890英尺的科羅拉多河．根據(jù)文中句子The bridge has a sidewalk on the side facing the dam這座橋的側(cè)面有一條面向大壩的人行道，可見這座橋和這座大壩之間是平行的，所以A選項正確．
68．D 主旨大意題，本文主要寫的是一座大橋的建成、開通、以及這座大橋細節(jié)描述，所以答案選D．

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