Choose TWO letters, A-E. Which TWO things surprised the students about the traffic-light system for nutritional labels? A its wi

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问题 Choose TWO letters, A-E.
Which TWO things surprised the students about the traffic-light system for nutritional labels?
A its widespread use
B the fact that it is voluntary for supermarkets
C how little research was done before its introduction
D its unpopularity with food manufacturers
E the way that certain colours are used

选项 A、 
B、 
C、 
D、 
E、 

答案B

解析 文中先是出现了定位词traffic-light system,然后出现了答案对应信息“But it’s not been adopted universally.”,说明虽然没有广泛推广使用这个系统,但超市仍喜欢使用,表达出surprise之意,对应B选项it is voluntary for supermarkets,因此B为正确答案。其中it’s not been adopted universally与A选项中的widespread use不符,可排除A;“Pressure from the food manufacturers.Hardly surprising that some of them are opposed to flagging up how unhealthy their products are.”,通过hardly surprising可排除D。“what I couldn’t get over is the fact that it was brought in without enough consultation”,其中brought in对应C选项中的introduction,without enough consultation对应little research,因此C为正确答案。
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