Question

18．The butterfly，which is competitive swimming's newest stroke（劃水），was developed in the mid-1930s，but it wasn't allowed in the Olympics until 1956．The story of the butterfly is a good illustration of how coaches and swimmers are constantly searching for ways to improve stroke efficiency．
    During the 1920s，the Japanese Olympic coaches used underwater photography to research stroke mechanics，and their efforts paid off when Japanese competitors won five of the six men's swimming gold medals at the 1932 Games in Los Angeles．
    It was a wake-up call to the rest of the swimming world，and one of the top US coaches-David Armbruster at the University of Iowa-began doing his own filming．
    Armbruster was seeking to make the breaststroke faster．He knew that the action of bringing their arms forward underwater slowed breaststrokes down，so he came up with a method of bringing the arms forward over the water．The improved stroke brought great improvements in speed．
    The following year，Jack Sieg，an Iowa swimmer，developed a technique involving swimming on his side and beating his legs at the same time similar to a fish tail．As Armbruster later explained in the book The History and Background of the Olympic Games："Sieg tried the same action while swimming face down．He synchronized（使…同步） his leg action with the butterfly arm action using two leg beats to each arm pull．"But the kick was ruled illegal because the legs moved in a vertical （垂直的） way．
    Within a few years，nearly every breaststroker was using this overarm butterfly action without the kick．The pure butterfly wasn't legalized for some two decades，but at the 1956 Olympics in Melbourne"the butterfly"became an official event．
56．The Japanese coaches use underwater photography in order toC．
A．wake up the swimming world              
B．know how to be a mechanic．
C．improve stroke efficiency．
D．be paid more money
57．According to the passage，which of the following statements is NOT true？D
A．The butterfly was added to the Olympics in 1956．
B．David Armbruster used filming to study stroke mechanics．
C．Sieg came up with the idea of beating legs like a fish tail．
D．The Japanese coaches improved butterfly stroke．
58．Before the pure butterfly was officially recognized，Byears or so had passed．
A.15               B.20               C.30          D.35
59．The best title of the article isA．
A．How did"the butterfly"come into being？
B．When did"the butterfly"become an official event？
C．How did the Japanese wake up the swimming world？
D．Why did the coaches and swimmers improve stroke efficiency？

Answer 1

分析 本文主要寫了蝶泳的產(chǎn)生、改進、發(fā)展、提高最后成為奧運比賽項目的一個過程．

解答 56．C  細(xì)節(jié)理解題，根據(jù)第一段最后一句The story of the butterfly is a good illustration of how coaches and swimmers are constantly searching for ways to improve stroke efficiency．蝴蝶的故事是一個很好的例子，說明教練和游泳運動員是如何不斷尋找提高劃水的效率的方法．所以下文中日本人安裝水下攝像機就是為了研究提高劃水的效率，故答案選C．
57．D 細(xì)節(jié)理解題，根據(jù)文章第四段的描述可以看出是Armbruster改進了游泳時的劃水動作，根據(jù)句子The improved stroke brought great improvements in speed改進的劃水動作在速度上帶來了很大的提高，所以答案選D．
58．B 細(xì)節(jié)理解題，根據(jù)句子The pure butterfly wasn't legalized for some two decades，but at the 1956 Olympics in Melbourne"the butterfly"became an official event．蝶泳在20年前沒有合法化，但是在墨爾本的1956屆奧運會上蝶泳才成為比賽項目．two decades 是二十年，所以答案選B．
59．A 主旨大意題，縱觀全文可知，本文主要寫了蝶泳的產(chǎn)生、改進、發(fā)展最后成為奧運比賽項目的一個過程，所以答案選A．

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