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新编六级听力每日练习 第355期

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Passage Three
32.
A. Because both have a limited supply of air, water, and other resources.
B. Because the Earth moves around the sun as fast as a spaceship.
C. Because we can travel to outer space.
D. Because the Earth never stops moving.
33.
A. About 80 miles per second.
B. About 70 miles per second.
C. About 18 miles per second.
D. About 17 miles per second.
34.
A. Because the Earth is heavily polluted.
B. Because nature cannot recycle its resources.
C. Because more and more people live on the Earth.
D. Because no more new resources can be added.
35.
A. Nature has changed our environment over the years.
B. We must avoid wasting resources and polluting our environment.
C. Our resources are nearly used up.
D. Trips to other planets will help eliminate pollution.

重点单词   查看全部解释    
supply [sə'plai]

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n. 补给,供给,供应,贮备
vt. 补给,供

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recycle [ri:'saikl]

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vt. 使再循环,再利用,再制
vi. 循环<

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unhealthy [ʌn'helθi]

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adj. 不健康的,不卫生的,病态的,危险的

 
survive [sə'vaiv]

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vt. 比 ... 活得长,幸免于难,艰难度过

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limited ['limitid]

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adj. 有限的,被限制的
动词limit的过

 
visible ['vizəbl]

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adj. 可见的,看得见的
n. 可见物

 
enormous [i'nɔ:məs]

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adj. 巨大的,庞大的

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convey [kən'vei]

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vt. 传达,表达,运输,转移
vt.

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planet ['plænit]

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n. 行星

 
cooperate [kəu'ɔpəreit]

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vi. 合作,协力

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