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【判断题】
基于单片机设计的电子系统,逻辑功能的改变可以通过修改软件程序灵活调整A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】John _____Disneyland. He is still there. [ ]
A.
has been to
B.
has gone to
C.
went to
D.
goes to
【单选题】—May I speak to John? ---Sorry, he Japan. But he in two days.
A.
has been to; will come back
B.
has gone to; will come back
C.
has been in; would come back
D.
has gone to; come back
【单选题】— May I speak to John? — Sorry, he isn't in. He abroad. [ ]
A.
has been in
B.
has gone to
C.
has been
D.
has gone
【单选题】资本主义生产过程是
A.
劳动过程和价值形成过程的统一
B.
劳动过程和价值增殖过程的统一
C.
价值形成过程和使用价值生产过程的统一
D.
物质资料再生产和资本主义生产关系再生产的统一
【单选题】Uncle John _____ his hometown for twelve years. [ ]
A.
left
B.
has left
C.
has gone
D.
has been away from
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