单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. How was cola syrup made into a soft drink

A．By mixing it with special oils.
B．By heating it.
C．By combining it with different flavors.
D．By adding soda water.

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单项选择题

单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. How was cola syrup made into a soft drink 您的浏览器不支持 audio 元素。