We can eliminate pollution completely by the year of 2008. To spoil something by bringing in the impure which make it unfit or

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问题 We can eliminate pollution completely by the year of 2008.
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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大学英语六级

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We can eliminate pollution completely by the year of 2008. To spoil something by bringing in the impure which make it unfit or

大学英语六级

A—RelevanceofmotivationtheoriesB—SystematicTrainingC—PersonnelmanagementD—UtilizationofHumanResourcesE—Prerequisites

Somepeoplearguethatself-plagiarism(自我剽窃)isimpossiblebydefinitionbecauseplagiarismistheftandpeoplecannotstealfrom

Hehadmoralobjectionsto(kill)______animalsforfood.

What’stheproblemtheworldisnowfacing?Theworldisnotonlyhungrybutitisalso______.

Onceatravelerwasridingintherain.Hewas【T1】______whenhereachedthecountryinn.Theinnwassocrowdedwithpeoplethat

A—WaitingandBoardingJ—CustomsDeclarationFormB—LuggageDeliveryK—QuantityAllowedtoTakeC—InspectionandQuarantineL—Re

Rockwatch—TheBestClubonEarthIfyouareayoungpersonandinterestedingeology(地质学),thenRockwatchistheclubforyo

A、ShecancheckMr.Smith’stimetableherself.B、She’llchecksomethingfortheman.C、Shehasputupasignonthedoor.D、She

ThereisamanatthereceptiondeskwhoseemsveryangryandIthinkhemeans______trouble.

A、Toshowthekeyroleplayedbyairtrafficcontrollers.B、Toshowthegreatresponsibilityshoulderedbythepilots.C、Togive

患者，女，35岁。自述尿频、尿痛伴肉眼血尿1天。既往体健。体格检查无异常。尿亚硝酸盐阳性，尿沉渣镜检红、白细胞满视野。抗生素疗程一般为

结账前，会计核算软件应当自动检查本期输入的会计凭证是否全部登记人账，全部登记入账后才能结账。()

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中国进入社会主义初级阶段的最主要标志是

计算二重积分，其中D={(x，y)｜0≤x≤1，0≤y≤1}。

已知A=10111110B，B=AEH，C=184D，关系成立的不等式是

Betterthinktwicebeforechoosingapasswordforemails,onlinebankaccountsandairlinetickets.Passwordsthatshownoi