单项选择题

Questions 18 to 20 are based on the following passage. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the passage.
What efforts are needed here

A．To train more sharp-eyed workers.
B．To provide more languages.
C．To clean up differences between languages.
D．To create more domain names.

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单项选择题

单项选择题

Questions 18 to 20 are based on the following passage. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the passage. What efforts are needed here 您的浏览器不支持 audio 元素。