Choose TWO letters, A-E.Which TWO things surprised the students about the traff

游客2024-01-06  23

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 [br]

选项 A、 
B、 
C、 
D、 
E、 

答案 C

解析
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