单项选择题

Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now, listen to the news.
How many people is the spacecraft supposed to carry

A．2.
B．4.
C．6.
D．8.

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单项选择题

单项选择题

Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news. How many people is the spacecraft supposed to carry 您的浏览器不支持 audio 元素。