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区别检验的主要方法包括()A.2点法B.3点法C.2~3点法D......
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I simply gave in to him. and I‘ve felt regrette.....
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Their parents once lived under very severe conditions.A.tightB.strictC.harD.sound..
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下列()检验方式对检验人员有专业要求。A.区别检验B.描述.....
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The weather is a constant subject of conversation in Britain.A.questionB.problemC.tideD.t..
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We were astonished to heat that their football team had won the champion.A.amazedB.amount..
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