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【多选题】
数学规划模型的三个基本要素为( )
A.
决策变量
B.
目标函数
C.
约束条件
D.
最优最优值
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参考答案：
举一反三
【单选题】The Lewis and Clark expedition______the territory of the Louisiana Purchase and beyond as far as the Pacific Ocean.
A.
located
B.
searched
C.
exploited
D.
developed
查看完整题目与答案
【简答题】1995年10月某某公司与郭某某签订了无固定工作岗位和工作期限的劳动合同。按该公司规定，劳动合同签订后，工人如上岗或换岗应签订上岗合同。随后，某公司与郭定福签订了在其下属生产福利司膳食科工作的上岗合同。1998年5月，郭定福在体检时查出患有乙型肝炎，8月又查出患有肺结核，不适于在膳食科继续工作，即进行病假治疗。 1998年9月15日，公司为加强其下属生产福利司殡仪馆的管理，经过公开招标，殡仪馆承...
查看完整题目与答案
【单选题】女,52岁。肝炎肝硬化10年,近3个月腹围明显增大,1周来少尿,无腹痛、发热。查体:腹部无压痛,移动性浊音(+)。实验室检查:血肌酐130μmol/L,AFP正常。最可能的并发症是
A.
继发性腹膜炎
B.
门静脉血栓形成
C.
肝肾综合征
D.
肝癌
E.
自发性腹膜炎
查看完整题目与答案
【单选题】The students in Louisiana ______.
A.
worked together to find solutions to a problem over the Internet
B.
cleaned up a polluted stream across their home town
C.
received a grant of $ 50,000 for their project
D.
lobbied the local and state political leaders
查看完整题目与答案
【单选题】某弱酸性指示剂的变色范围为4.50~6.50,则该指示剂的pKHIn为:
A.
3.50
B.
4.50
C.
5.50
D.
6.50
查看完整题目与答案
【单选题】The cypress trees of the Louisiana wetlands are threatened by the exploding population of nutria, a type of South American rodent introduced into the area in the 1930s in hopes of starting a nutria fu...
A.
Past attempts to control the nutria population through traps and poison have resulted in limited and temporary population reductions.
B.
A program in Florida found that the best way to conserve the root systems of wetland trees such as cypresses is to surround the trees' roots with tough plastic barriers.
C.
The jaguar is a large and deadly predator that, if introduced, could kill livestock, pets, or even humans that it encounters in the Louisiana wetlands.
D.
During the past year an unusually cold winter killed an estimated 35 percent of the nutria population in the Louisiana wetlands.
E.
The South American jaguar is a predator of the ferret, which is currently the chief predator of the nutria in the Louisiana wetlands.
查看完整题目与答案
【简答题】某弱酸性指示剂的离解常数KIn=1．0×10-6，此指示剂的变色范围为_________。
查看完整题目与答案
【单选题】女,52岁。肝炎肝硬化10年,近3个月腹围明显增大,1周来少尿。无腹痛、发热。查体:腹部无压痛,移动性浊音(+)。实验室检查:血肌酐130umol/L,AFP正常。最可能的并发症是:
A.
肝癌
B.
自发性腹膜炎
C.
肝肾综合征
D.
门静脉血栓形成
E.
继发性腹膜炎
查看完整题目与答案
【简答题】某公路工程的A合同段承包人，在签订施工合同后按时进驻工地，经过一系列准备工作后已于1998年2月26日获得开工批准。但由于永久占地范围内的部分地面附着物未能及时拆迁，造成人员、机械停置持续时间近一个月。同年3月8日，承包人向总监理工程师提出索赔意向，并书面通知驻地监理工程师，同时抄报业主。承包人又分别于同年3月28日和4月16日向驻地监理工程师提交了得到现场监理认可的有关此项索赔的详细资料，并就此...
查看完整题目与答案
【单选题】Why are there fewer foreclosures in Louisiana than in other states according to the article?
A.
There are less people living in Louisiana.
B.
The state government passed legislation prohibiting foreclosures.
C.
The Mayor sells his city as one of the best places to ride out the recession.
D.
The state never experienced a housing bubble.
查看完整题目与答案
相关题目：
【单选题】The Lewis and Clark expedition______the territory of the Louisiana Purchase and beyond as far as the Pacific Ocean.
A.
located
B.
searched
C.
exploited
D.
developed
查看完整题目与答案
【简答题】1995年10月某某公司与郭某某签订了无固定工作岗位和工作期限的劳动合同。按该公司规定，劳动合同签订后，工人如上岗或换岗应签订上岗合同。随后，某公司与郭定福签订了在其下属生产福利司膳食科工作的上岗合同。1998年5月，郭定福在体检时查出患有乙型肝炎，8月又查出患有肺结核，不适于在膳食科继续工作，即进行病假治疗。 1998年9月15日，公司为加强其下属生产福利司殡仪馆的管理，经过公开招标，殡仪馆承...
查看完整题目与答案
【单选题】女,52岁。肝炎肝硬化10年,近3个月腹围明显增大,1周来少尿,无腹痛、发热。查体:腹部无压痛,移动性浊音(+)。实验室检查:血肌酐130μmol/L,AFP正常。最可能的并发症是
A.
继发性腹膜炎
B.
门静脉血栓形成
C.
肝肾综合征
D.
肝癌
E.
自发性腹膜炎
查看完整题目与答案
【单选题】The students in Louisiana ______.
A.
worked together to find solutions to a problem over the Internet
B.
cleaned up a polluted stream across their home town
C.
received a grant of $ 50,000 for their project
D.
lobbied the local and state political leaders
查看完整题目与答案
【单选题】某弱酸性指示剂的变色范围为4.50~6.50,则该指示剂的pKHIn为:
A.
3.50
B.
4.50
C.
5.50
D.
6.50
查看完整题目与答案
【单选题】The cypress trees of the Louisiana wetlands are threatened by the exploding population of nutria, a type of South American rodent introduced into the area in the 1930s in hopes of starting a nutria fu...
A.
Past attempts to control the nutria population through traps and poison have resulted in limited and temporary population reductions.
B.
A program in Florida found that the best way to conserve the root systems of wetland trees such as cypresses is to surround the trees' roots with tough plastic barriers.
C.
The jaguar is a large and deadly predator that, if introduced, could kill livestock, pets, or even humans that it encounters in the Louisiana wetlands.
D.
During the past year an unusually cold winter killed an estimated 35 percent of the nutria population in the Louisiana wetlands.
E.
The South American jaguar is a predator of the ferret, which is currently the chief predator of the nutria in the Louisiana wetlands.
查看完整题目与答案
【简答题】某弱酸性指示剂的离解常数KIn=1．0×10-6，此指示剂的变色范围为_________。
查看完整题目与答案
【单选题】女,52岁。肝炎肝硬化10年,近3个月腹围明显增大,1周来少尿。无腹痛、发热。查体:腹部无压痛,移动性浊音(+)。实验室检查:血肌酐130umol/L,AFP正常。最可能的并发症是:
A.
肝癌
B.
自发性腹膜炎
C.
肝肾综合征
D.
门静脉血栓形成
E.
继发性腹膜炎
查看完整题目与答案
【简答题】某公路工程的A合同段承包人，在签订施工合同后按时进驻工地，经过一系列准备工作后已于1998年2月26日获得开工批准。但由于永久占地范围内的部分地面附着物未能及时拆迁，造成人员、机械停置持续时间近一个月。同年3月8日，承包人向总监理工程师提出索赔意向，并书面通知驻地监理工程师，同时抄报业主。承包人又分别于同年3月28日和4月16日向驻地监理工程师提交了得到现场监理认可的有关此项索赔的详细资料，并就此...
查看完整题目与答案
【单选题】Why are there fewer foreclosures in Louisiana than in other states according to the article?
A.
There are less people living in Louisiana.
B.
The state government passed legislation prohibiting foreclosures.
C.
The Mayor sells his city as one of the best places to ride out the recession.
D.
The state never experienced a housing bubble.
查看完整题目与答案
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