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【单选题】
The core module of manned spacecraft is ____.
A.
The experiment module
B.
The orbital module
C.
The re-entry module
D.
The service module
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参考答案：
参考解析：
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举一反三
【多选题】A spacecraft generally consists of several parts such as: ____.
A.
The re-entry module
B.
The orbital module
C.
The living module
D.
The service module