We can infer from the passage that ______.
A. the Sudan government is paying much attention to the food safety
B. Sudan 1 was often used to be added to the food
C. people didn't realize the danger of Sudan 1 until 2003
D. many food shops will be closed down
How did Sudan 1 get its name？
A. The dye is often produced in Sudan.
B. The dye has something to do with the country named Sudan.
C. Nobody is sure of the origin of the name.
D. Many foods produced in Sudan contain the dye.
【B12】
A. haven't you
B. do you
C. have you
D. don't you
【B15】
As her surprise
B. To her surprised
C. For her surprised
D. To her surprise
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