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【单选题】
臭名昭著的日本“731”部队在侵华期间，在我国的东北哈尔滨利用细菌作武器，用的方式戕害中国人民，日本“731”部队使用的细菌是（ ）
A.
病原菌
B.
乳酸细菌
C.
甲烷细菌
D.
大肠杆菌
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Security experts were not surprised by the FBI’s warning last week that more than 1 million credit card numbers have been stolen from e-commerce websites in the last 12 months by crackers who took adv...
A.
They were called "script kiddies" by their Western peers.
B.
They just have fun with the websites by themselves.
C.
They just want to get on the Internet.
D.
They are skillful and seldom get caught.