水平角测量目的,是确定地面点的平面位置A.正确B.错误...

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【判断题】

水平角测量目的,是确定地面点的平面位置

正确

错误

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参考答案：

举一反三

【简答题】写出下列线性规划问题的对偶问题： (1)max z=2x 1 +x 2 +x 3 -x 4 (2)max z=4x 1 +5x 2 +3x 3 +6x 4 (3) (4)

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【单选题】Suddenly the man stopped and looked around as if _____ whether he was followed. [ ]

to see

having see

to have seen

seeing

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【判断题】招聘和培训访员是访员手册的内容之一。( )

正确

错误

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【单选题】Suddenly they see the moment for one of their best anecdote s, ....

tedious meeting

boring talk

exciting chat

amusing story

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【简答题】max z＝3x13－4x1＋2x22－5x2＋2x3

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【单选题】重庆火锅起源于( )。

隋末唐初

宋末元初

明末清初

明国时期

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【单选题】A=[4 5 0;1 -1 3],max(A,2)=

[4 5 2;2 2 3]

[1 3 6]

[1 2 6]

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【单选题】打钢筋混凝土预制桩时,当采用柴油锤应使桩锤跳动正常、落距不超过( )。

1ｍ

1.2ｍ

1.5ｍ

2ｍ

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【单选题】I was reading attentively in my own room ________ suddenly he knocked at the door.

when

while

then

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【单选题】Most of us see a doctor ______ when we get a cold or something.This won't cost us a lot.

suddenly

immediately

occasionally

frequently

查看完整题目与答案

【单选题】Suddenly the man stopped and looked around as if _____ whether he was followed. [ ]

查看完整题目与答案

【判断题】招聘和培训访员是访员手册的内容之一。( )

正确

错误

查看完整题目与答案

【单选题】Suddenly they see the moment for one of their best anecdote s, ....

查看完整题目与答案

【简答题】max z＝3x13－4x1＋2x22－5x2＋2x3

查看完整题目与答案

查看完整题目与答案

【单选题】A=[4 5 0;1 -1 3],max(A,2)=

[4 5 2;2 2 3]

[1 3 6]

[1 2 6]

查看完整题目与答案

【单选题】打钢筋混凝土预制桩时,当采用柴油锤应使桩锤跳动正常、落距不超过( )。

查看完整题目与答案

【单选题】I was reading attentively in my own room ________ suddenly he knocked at the door.

when

while

then

查看完整题目与答案

【单选题】Most of us see a doctor ______ when we get a cold or something.This won't cost us a lot.

查看完整题目与答案

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