单项选择题

Questions 9 to 10 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. Which planet is the spacecraft expected to orbit

A．Mars
B．Venus
C．Mercury
D．Jupiter

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单项选择题

单项选择题

Questions 9 to 10 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. Which planet is the spacecraft expected to orbit 您的浏览器不支持 audio 元素。