专四专八考试

【单选题】Questions 18 to 20 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.


What steps have been taken by big airlines according to the passageA．To reduce air fares.
B．To streamline airline structures.
C．To readjust their marketing strategy.
D．To pursue marketing alliances.

网考网参考答案：D
网考网解析：
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