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标题: 四级练习2012.08.13 [打印本页]

作者: Rebecca949    时间: 2012-8-13 10:41     标题: 四级练习2012.08.13

[audio]http://sound.yywz123.com/tingbbs/cet4/cet420120813.mp3[/audio]


For thousands of years, people accepted challenges. Today we still have many (1)___________________ahead of us. Medical science faces the challenges of (2)____________________ which still attack human beings. Engineers and planners must build new cities and new kinds of transportation. (3)______________________________And many of us are interested in the challenge of space. We actually live in an age of challenge.





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作者: 杨飞飞儿    时间: 2012-8-14 14:14

1 challenges
2 ... many diseases
3 scientists must develop new forms of energy
作者: zhant220    时间: 2012-8-14 14:29

1. challenges
2. conquering of many diseases
3. scientists must develop new forms of energy
作者: jkm204    时间: 2012-8-14 18:55

challenges

conquering many diseases


scientists must develop  new forms of energy
作者: r124532234    时间: 2012-8-26 15:07

challenges
conquaring many diseases'
scientiests must new forms of energy




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