We can eliminate pollution completely by the year of 2008. [br] To spoil somethi

游客2024-06-18 48

问题 We can eliminate pollution completely by the year of 2008. [br] To spoil something by bringing in the impure which make it unfit or unclear to use, we call it______.

选项

答案 to pollute or contaminate

解析第3段的第2句中弄脏是指因带进杂质而使某个东西不清洁或不适合使用。

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[originaltext]M:Hello,Mary.It’sJohn.I’vegotsomethingtotellyouaboutt

Ifyouareworried_____theproblem,youshoulddosomethingaboutit.A、withB、

Solittle______aboutchemistrythatthelecturewascompletelybeyondme.A、didI

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