Question

20．For hundreds of years，people dreamed of being able to fly．Many of the early attempts at flight seem humorous today：people built wings and jumped off （41）C buildings，or tried to sh oot themselves （42）Bthe air with rockets．But all attempts were unsuccessful （43）Atwo French brothers thought of a new way，using（44）B．They believed that if balloons were filled with hot air，they would （45）B．They built a very large balloon and （46）Dthe air in it until the balloon （47）C a height of 1，800 metres．Then the air in the balloon cooled before the balloon slowly sank back to the ground．
The brothers'next balloon went up a few months later，with three animals （48）B to test the safety of this kind of flight．The balloon rose two and a half kilometres and （49）A safely．When this test was successful，the brothers knew they were （50）A to send up a human being．They put a man aboard，（51）C tied him to the earth so that he would not go too high．He rose only 25 metres．A month （52）B，two men went together and rose to a height of 900 metres，（53）D travelling over nine kilometres．They returned safely to earth，and the brothers were （54）Bto keep trying．
The success of balloons was （55）A they were used not only for sport and recreation but also had military applications and （56）B transport people over large distances．Some balloons travelled from Europe to America easily．Men made long，cigar-shaped balloons （57）D airships，and filled them with hydrogen．These airships were （58）A by engines and could be easily controlled．But hydrogen gas was found to be dangerous，because it could so easily （59）C．Accidents happened，including the intentional fire set on the Hindenburg．Many people died in these accidents，either burning or falling to their deaths．These accidents brought （60）A the hydrogen-filled airship but not to man's dream of flying．

41．A．old	B．large	C．high	D．wooden
42．A．by	B．into	C．with	D．to
43．A．until	B．for	C．unless	D．though
44．A．rockets	B．balloons	C．planes	D．fires
45．A．explode	B．rise	C．fire	D．expand
46．A．blew	B．found	C．filled	D．heated
47．A．a(chǎn)rrived	B．became	C．reached	D．raised
48．A．a(chǎn)broad	B．a(chǎn)board	C．broad	D．board
49．A．returned	B．touched	C．succeeded	D．tried
50．A．ready	B．willing	C．disappointed	D．lucky
51．A．however	B．thus	C．but	D．even
52．A．a(chǎn)go	B．later	C．a(chǎn)fter	D．before
53．A．a(chǎn)s	B．though	C．when	D．while
54．A．forced	B．encouraged	C．surprised	D．refused
55．A．such that	B．so as	C．a(chǎn)s if	D．even though
56．A．used to	B．were used to	C．got used to	D．were used for
57．A．formed	B．produced	C．made	D．called
58．A．powered	B．equipped	C．furnished	D．decorated
59．A．set fire	B．be on fire	C．catch fire	D．be in fire
60．A．a(chǎn)n end to	B．benefit from	C．result of	D．consequence for

Answer 1

分析 本文介紹了人類在實(shí)現(xiàn)飛翔夢(mèng)想道路上所作出的不斷 嘗試和努力．

解答 CBABB   DCBAA   CBDBA BDACA
41．C考查形容詞．根據(jù)句意可知，人類跳躍肯定是從高的建筑物往下跳，所以high buildings指高的大樓．
42．B考查介詞．shoot sb into為固定短語，將某人發(fā)送至…，句意為有人想用火箭把自己發(fā)射到天空中．
43．A考查介詞．not…until意思是直到…才，直到法國(guó)的兩兄弟想出一個(gè)新方法，人類才成功．
44．B考查名詞．根據(jù)下文的描述可知，if balloons were filled with hot air他們兄弟利用的是氣球．
45．B考查動(dòng)詞．two French brothers thought of a new way兩兄弟想到的方法是利用充滿空氣的氣球，人類就可以飛起來，rise此處是上升的意思符合語境．
46．D考查動(dòng)詞．根據(jù)后文的Then the air in the balloon cooled 可知，事先是加熱氣球，heat此處是動(dòng)詞給…加熱．
47．C考查動(dòng)詞．reach a height of為固定短語，意思是到達(dá)一個(gè)…樣的高度．氣球到達(dá)1800米時(shí)他們就停止加熱．
48．B考查介詞．a(chǎn)board此處是介詞，意思是登上氣球，abroad為副詞在國(guó)外；broad形容詞寬的；board名詞木板．
49．A考查動(dòng)詞．本句意思為The balloon rose two and a half kilometres 氣球上升2.5千米，然后安全返回．根據(jù)常識(shí)可知，上升過后應(yīng)該是返回．
 50．A考查形容詞．考查固定短語be ready to do意思是準(zhǔn)備去做某事，當(dāng)兄弟兩成功將動(dòng)物送上天由返回時(shí)，準(zhǔn)備好將人送上天．
51．C考查副詞．tied him to the earth so that he would not go too high他們將一個(gè)人送入天上，但是又將他綁在地上，兩者之間是轉(zhuǎn)折關(guān)系．
52．B考查形容詞．前面送一個(gè)人，two men 接著一個(gè)月過后又有兩個(gè)人，a month later 意思是一個(gè)月后．
53．D考查連詞．前面一個(gè)人He rose only 25 metres只上升了25千米，后面上升了over nine kilometres，所以此處while是對(duì)比的意思．
54．B考查動(dòng)詞．看到實(shí)驗(yàn)成功，兩兄弟被鼓舞繼續(xù)嘗試．be encuraged to do符合語境．
55．A考查連接詞．such that為固定短語，如此…以至于，氣球的實(shí)驗(yàn)如此成功以至于不僅被運(yùn)用在娛樂和體育上而且在軍事上．
56．B考查動(dòng)詞．根據(jù)上句的they were used not only…可知，此處意思是氣球還被運(yùn)用在運(yùn)輸遠(yuǎn)距離上．
57．D考查動(dòng)詞．called此處是過去分詞短語做后置定語，修飾名詞cigar-shaped balloons．
 58．A考查動(dòng)詞．by engines 意思是通過引擎，這些空氣船靠引擎來發(fā)動(dòng)和控制．
 59．C考查動(dòng)詞短語．根據(jù)后文的including the intentional fire set on the Hindenburg可知，如果使用氫氣容易發(fā)生火災(zāi)．catch fire意思是著火．
 60．A考查短語．考查固定短語bring…to an end to使…結(jié)束．這些事故結(jié)束了氫氣作為燃料的使用，但是沒有阻止人類的夢(mèng)想．

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