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【单选题】
植物的线粒体基因组通常由( )。
A.
一个大的DNA分子组成
B.
一个大的和数个小的DNA分子组成
C.
一个小的DNA分子组成
D.
一个大的和一个小的DNA分子组成
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage Two In 1997, devotees of home electronics eagerly awaited the DVD player, a new device that could play movies without videotape, and with greater clarity. It caught on even faste...
A.
die economic realities of its practicality
B.
robust economic growth
C.
economic problems of hi-tech companies
D.
ignorance of the technology