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【多选题】
新民主主义社会存在的五种经济成分中，属于向社会主义经济过渡的形式是( )A.
合作社经济
B.
个体经济
C.
私人资本主义经济
D.
国家资本主义经济
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【判断题】For a random signal X(t), when t equals to t1, X(t1) can be regarded as a random process.
A.
正确
B.
错误
【简答题】A．They have accidents when they try to outrun other boats. B．They fall overboard when they stand up in their boat. C．They sit or lie on the bottom of their boat. D．They fall asleep and water enters th...
【判断题】For a random signal X(t), when t equals to t1, X(t1) can be regarded as a fixed value.
A.
正确
B.
错误
【单选题】They asked the teacher _______.
A.
when will they have the exam
B.
when they would have the exam
C.
when they have the exam
D.
when would they have the exam
【简答题】国际货物运输方式很多,_______是其中最主要的运输方式。
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