单项选择题

SECTION A CONVERSATIONS In this section you will hear eight statements. At the end of each statement you will be given 10 seconds to answer the question. According to the speaker, David thinks the two different approaches

A．are working in parallel.
B．are working in harmony.
C．are working in discord.
D．are working in collaboration.

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单项选择题

单项选择题

SECTION A CONVERSATIONS In this section you will hear eight statements. At the end of each statement you will be given 10 seconds to answer the question. According to the speaker, David thinks the two different approaches 您的浏览器不支持 audio 元素。