What was SC Johnson accused of in the class action lawsuits?
A. It gave consumers the impression that all its products were truly green.
B. It gave a third party the authority to label its products as environmentally friendly.
C. It misled consumers to believe that its products had been certified by a third party.
D. It sold cleaning products that were not included in the official“Greenlist”.
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How did Christopher Beard defend his company' s labeling practice?
A. There were no clear guidelines concerning green labeling.
B. His company' s products had been well received by the public.
C. It was in conformity to the prevailing practice in the market.
D. No law required the involvement of a third party in certification.
What does Kevin Wilhelm imply by saying“It' s kind of a Wild West”(Lines 2-3, Para. 11)?
A. Businesses compete to produce green products.
B. Each business acts its own way in green labeling.
Consumers grow wild with products labeled green.
D. Anything produced in the West can be labeled green.
土的饱和度是（ ）之比。
A. VW与Vv
B. VW与V
C. VV与V
D. VV与VS
判别黏性土硬软状态的指标是（ ）
A. 塑性指数
B. 液性指数
C. 压缩系数
D. 压缩指数
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