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【单选题】
下列软件中,不属于杀毒软件的是()A.
金山WPS
B.
金山毒霸
C.
卡巴斯基
D.
瑞星2010
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
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【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...
【单选题】According to the speaker, when are hippos likely to yawn?
A.
when they are swimming.
B.
when they are quarreling.
C.
When they are socializing.
D.
when they are eating.
【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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