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➡️如需代学继续教育,联系微信:yizhituziang
【判断题】
线性规划若有可行解,则必有基可行解;若有最优解,则必有基最优解,即在可行域的某顶点达到最优.
【判断题】
若线性规划无最优解则其可行域无界。()
【单选题】
若线性规划问题没有可行解,可行解集是空集,则此问题?
【单选题】
下列关于可行解,基本解,基可行解的说法错误的是?
【判断题】
在二元线性规划问题中,如果问题有可行解,则一定有最优解
【单选题】
线性规划最优解不唯一是指()。
②
存在某个检验数λk0且aik≤0(i=1,2,…,m)
【判断题】
如果线性规划问题问题存在最优解,则最优解一定对应可行域边界上的一个点
【单选题】
A: Hello, Jane, do you still remember you said youd like to see Yao Ming? B: [填空] A: He is here at our university now.
【单选题】
A: I thought you were working until 6:30. B: [填空], but we finished our meeting at 5:30 and were let go.
【单选题】
A: Robbie, well go fishing soon, and well take your dad with us. B: Im ready, Grandpa. [填空].
【单选题】
A: Would you like to go to the cinema? B: If I can finish my homework. A: [填空]
【单选题】
A: Hello, [填空] Can I help you? B: Yes, this is Lin Xiaoyan. Could I speak to Mark Strong, please?
【单选题】
A: Long time no see, Mary. B: [填空] A: OK.
①
Well, how have you been?
④
Fancy meeting you here.
【单选题】
A: Hi, my name is Lin Xiaoyan. Its nice to meet you. B: Im Jack. [填空]
②
How are you, Lin Xiaoyan?
③
Its pleasure to meet you, Lin Xiaoyan.
【单选题】
A: Well, its time for us to go. B: [填空].
③
I wish you a pleasant journey
④
I hope you will soon feel better
【单选题】
A: I need to buy a wedding gift for Jane. B: Should we stop at the shopping center? A: [填空]. The weddings not until next week, but I wont have time later to get them anything.
【单选题】
A: Its a long journey. You look tired. [填空]? B: Yes. Could you take that suitcase, please? A: Sure.
④
May I help you with anything