可行性研究三大支柱中,是前提与基础的是( )研究。A.技术B.效益C.市场D.经...

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【单选题】

可行性研究三大支柱中,是前提与基础的是( )研究。

技术

效益

市场

经济

手机使用

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举一反三

【单选题】函数的极值点为x=0.25 , 该点是极大值还是极小值及原因()。

是极小值，因为它的二阶导数大于0

是极小值，因为它的二阶导数小于0

是极小值，因为它的二阶导数等于0

是极大值，因为它的二阶导数小于0

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【简答题】缺乏长远打算，导致一些短期行为出现的预算编制方法是增量预算法。()

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【单选题】(函数的极值点)函数的极大值点和极大值分别为( )

，

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【判断题】缺乏长远打算,导致一些短期行为出现的预算编制方法是增量预算法。()

正确

错误

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【单选题】There is somebody at the door. ______ I go and see who it is? [ ]

Shall

Must

Will

Would

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【单选题】There is somebody waiting for you, _________ I think might be one of your classmates.

who

whom

which

whoever

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【判断题】There is somebody here who wants to speak to you.

正确

错误

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【单选题】— There is somebody at the door, who it be? Is it the postman? — No, it be him, it's just six o'clock. It's too early. [ ]

may; can't

may; mustn't

will; won't

must; may not

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【单选题】There is somebody waiting for you______ I think might be one of your classmates. [ ]

who

whom

whoever

which

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【单选题】There is somebody to answer the phone at the office.

True

False

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相关题目：

【单选题】函数的极值点为x=0.25 , 该点是极大值还是极小值及原因()。

查看完整题目与答案

【简答题】缺乏长远打算，导致一些短期行为出现的预算编制方法是增量预算法。()

查看完整题目与答案

【单选题】(函数的极值点)函数的极大值点和极大值分别为( )

，

查看完整题目与答案

【判断题】缺乏长远打算,导致一些短期行为出现的预算编制方法是增量预算法。()

正确

错误

查看完整题目与答案

【单选题】There is somebody at the door. ______ I go and see who it is? [ ]

查看完整题目与答案

【单选题】There is somebody waiting for you, _________ I think might be one of your classmates.

查看完整题目与答案

【判断题】There is somebody here who wants to speak to you.

正确

错误

查看完整题目与答案

【单选题】— There is somebody at the door, who it be? Is it the postman? — No, it be him, it's just six o'clock. It's too early. [ ]

查看完整题目与答案

【单选题】There is somebody waiting for you______ I think might be one of your classmates. [ ]

查看完整题目与答案

【单选题】There is somebody to answer the phone at the office.

True

False

查看完整题目与答案

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