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They have doubt about current green certification.
出自-2016年6月阅读原文
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The lawsuits said that the label was misleading because it gave the impression that the products had been certified by a third party when the certification was the company's own.
出自-2016年6月阅读原文
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No law required the involvement of a third party in certification.
出自-2016年6月阅读原文
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About once a week, I have a client that will bring up a new certification I've never even heard of and I'm in this industry, said Kevin Wilhelm, chief executive officer of Sustainable Business Consulting.
出自-2016年6月阅读原文
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Some states require parents or a home tutor to meet teacher certification standards, and many require parents to complete legal forms to verify that their children are receiving instruction in state approved curriculum.
出自-2013年12月听力原文
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"About once a week, I have a client that will bring up a new certification I've never even heard of and I'm in this industry," said Kevin wilhelm, chief executive officer of Sustainable Business Consulting.
2016年6月六级真题（第一套）阅读 Section C
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But all these concepts are massively expensive, require safety certification standards for road and air, need dual controls, involve complex folding wings and propellers,and have to be flown from air-strips.
2019年6月六级真题（第二套）阅读 Section A