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【单选题】已知原子序数相连的 X 、 Y 、 Z 三种元素的最高价氧化物对应水化物的酸性由强到弱的顺序是: HZO 4 >H 2 YO 4 >H 3 XO 4 ,下列判断正确的是 ( ) 1 阴离子的还原性按 X 、 Y 、 Z 顺序减弱 2 单质的氧化性按 X 、 Y 、 Z 顺序增强 3 元素的原子半径按 X 、 Y 、 Z 顺序减小 4 气态氢化物的稳定性按 X 、 Y 、 Z 顺序减弱 A . 12...
A.
B.
C.
D.
D
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【单选题】___________________. First of all, we need money to repair old roads and build new roads. We also need more to pay teachers' salaries and to pay for services such as trash collection. Finally, more ta...
A.
We should raise city taxes.
B.
City taxes are too high.
C.
City taxes pay for new roads.
查看完整题目与答案
【多选题】Which of the following statements about synthetic biology is correct?
A.
Synthetic biology is an interdisciplinary branch of biology and engineering. It combines disciplines from biotechnology, genetic engineering, molecular biology, molecular engineering, systems biology, biophysics, electrical engineering, computer engineering, control engineering, and evolutionary biology.
B.
It aims to the design and construction of novel artificial biological pathways, organisms or devices, or the redesign of existing natural biological systems for research, engineering and medical applications.
C.
It is an emerging discipline that uses engineering principles to design and assemble biological components, a new emerging scientific field where ICT, biotechnology and nanotechnology meet and strengthen each other, designing and constructing biological modules, biological systems, and biological machines or, redesign of existing biological systems for useful purposes.
D.
It is recently defined as the artificial design and engineering of biological systems and living organisms for purposes of improving applications for industry or biological research.
查看完整题目与答案
【多选题】Which of the following statements about reproductive biology are correct?
A.
Reproductive biology is a field of study that looks at the growth and medical issues associated with the different stages of reproductive development.
B.
Reproductive biology is the study of the biochemistry, physiology, endocrinology, cell biology, genetics and molecular biology of a wide range of biological processes involved in reproduction.
C.
These processes include gametogenesis and germ stem cell biology, fertilization, embryo development, implantation, pregnancy, sexual differentiation, and mechanisms by which the reproductive organs develop, differentiate, age and incur disease.
D.
Research in reproductive biology has broad applications in public health, medicine, and agriculture, including contraception, infertility, reproductive toxicology, animal science, and oncology.
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【简答题】生物学(biology)
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【单选题】Our office has recently _____ to a new computer system.
A.
altered
B.
converted
C.
transformed
D.
modified
查看完整题目与答案
【多选题】施工组织设计是项目经理受企业法人的委托，为履行企业法定代表人与建设单位签订的施工合同，根据（），（），（）的特点及主客观条件，而拟定的指导施工准备和组织施工的全面性的技术经济计划文件，是指导施工的法规，是对施工生产活科学管理的重要文件。
A.
合同要求
B.
国家有关法规
C.
工程对象
D.
施工现场
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【单选题】More evidence is needed _____that your maid _____ your money when you were away on business. [      ]
A.
proving; stole
B.
to prove; has stolen
C.
to be proved; has stolen
D.
to prove; stole
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【单选题】分辨率是以像素为单位来决定图像大小的,它将影响合成图像的渲染质量。AE为人们提供了4种分辨率设置,下面( )选项可以渲染出合成图像的二分之一像素。
A.
Full
B.
Hall
C.
Third
D.
Quarter
查看完整题目与答案
【单选题】某企业2018年度实现主营业务收入600万元,主营业务成本200万元,其他业务收入400万元,其他业务成本160万元,计提的资产减值损失96万元,计提消费税30万元,发生的生产车间固定资产日常修理费用16万元,广告费24万元,行政罚款16万元,国债利息收入102万元,则该企业2018年度税前会计利润为( )万元。
A.
592
B.
560
C.
520
D.
474
查看完整题目与答案
相关题目：
【单选题】已知原子序数相连的 X 、 Y 、 Z 三种元素的最高价氧化物对应水化物的酸性由强到弱的顺序是: HZO 4 >H 2 YO 4 >H 3 XO 4 ,下列判断正确的是 ( ) 1 阴离子的还原性按 X 、 Y 、 Z 顺序减弱 2 单质的氧化性按 X 、 Y 、 Z 顺序增强 3 元素的原子半径按 X 、 Y 、 Z 顺序减小 4 气态氢化物的稳定性按 X 、 Y 、 Z 顺序减弱 A . 12...
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】___________________. First of all, we need money to repair old roads and build new roads. We also need more to pay teachers' salaries and to pay for services such as trash collection. Finally, more ta...
A.
We should raise city taxes.
B.
City taxes are too high.
C.
City taxes pay for new roads.
查看完整题目与答案
【多选题】Which of the following statements about synthetic biology is correct?
A.
Synthetic biology is an interdisciplinary branch of biology and engineering. It combines disciplines from biotechnology, genetic engineering, molecular biology, molecular engineering, systems biology, biophysics, electrical engineering, computer engineering, control engineering, and evolutionary biology.
B.
It aims to the design and construction of novel artificial biological pathways, organisms or devices, or the redesign of existing natural biological systems for research, engineering and medical applications.
C.
It is an emerging discipline that uses engineering principles to design and assemble biological components, a new emerging scientific field where ICT, biotechnology and nanotechnology meet and strengthen each other, designing and constructing biological modules, biological systems, and biological machines or, redesign of existing biological systems for useful purposes.
D.
It is recently defined as the artificial design and engineering of biological systems and living organisms for purposes of improving applications for industry or biological research.
查看完整题目与答案
【多选题】Which of the following statements about reproductive biology are correct?
A.
Reproductive biology is a field of study that looks at the growth and medical issues associated with the different stages of reproductive development.
B.
Reproductive biology is the study of the biochemistry, physiology, endocrinology, cell biology, genetics and molecular biology of a wide range of biological processes involved in reproduction.
C.
These processes include gametogenesis and germ stem cell biology, fertilization, embryo development, implantation, pregnancy, sexual differentiation, and mechanisms by which the reproductive organs develop, differentiate, age and incur disease.
D.
Research in reproductive biology has broad applications in public health, medicine, and agriculture, including contraception, infertility, reproductive toxicology, animal science, and oncology.
查看完整题目与答案
【简答题】生物学(biology)
查看完整题目与答案
【单选题】Our office has recently _____ to a new computer system.
A.
altered
B.
converted
C.
transformed
D.
modified
查看完整题目与答案
【多选题】施工组织设计是项目经理受企业法人的委托，为履行企业法定代表人与建设单位签订的施工合同，根据（），（），（）的特点及主客观条件，而拟定的指导施工准备和组织施工的全面性的技术经济计划文件，是指导施工的法规，是对施工生产活科学管理的重要文件。
A.
合同要求
B.
国家有关法规
C.
工程对象
D.
施工现场
查看完整题目与答案
【单选题】More evidence is needed _____that your maid _____ your money when you were away on business. [      ]
A.
proving; stole
B.
to prove; has stolen
C.
to be proved; has stolen
D.
to prove; stole
查看完整题目与答案
【单选题】分辨率是以像素为单位来决定图像大小的,它将影响合成图像的渲染质量。AE为人们提供了4种分辨率设置,下面( )选项可以渲染出合成图像的二分之一像素。
A.
Full
B.
Hall
C.
Third
D.
Quarter
查看完整题目与答案
【单选题】某企业2018年度实现主营业务收入600万元,主营业务成本200万元,其他业务收入400万元,其他业务成本160万元,计提的资产减值损失96万元,计提消费税30万元,发生的生产车间固定资产日常修理费用16万元,广告费24万元,行政罚款16万元,国债利息收入102万元,则该企业2018年度税前会计利润为( )万元。
A.
592
B.
560
C.
520
D.
474
查看完整题目与答案
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