单项选择题

大肠杆菌的复制的形式属于下列哪一种？
A、D环复制
B、滚环复制
C、θ型复制
D、多个起点双向复制

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（） and its extensions can help to explain imitative FDI behavior by firms in oligopolistic industries.
A. Internalization theory

B. The eclectic paradigm

C. The noninterventionist theory

D. Knickerbocker's theory

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What do Chinese people usually do on Spring Festival Eve?
A、Have a family reunion dinner.
B、Watch the Spring Festival Gala.
C、Stay up late.
D、All of the above.