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【简答题】
图示结构中, AB 为圆截面杆,C处是固定铰链。已知其材料的应力为 [ ] =160MPa, 铅垂载荷F=20kN ,则杆 AB 的最小直径=( )mm。
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举一反三
【判断题】为了更好地说明商品品质,在约定成交商品的品质时,进口商应该争取同时采用既凭规格又凭样品买卖的方法。
A.
正确
B.
错误
【单选题】下列关于基因表达的叙述,正确的是 [     ]
A.
核基因通过转录形成的mRNA可以穿过核孔进入细胞质中进行翻译过程
B.
mRNA上的UCU无论从右向左读还是从左向右读结果相同,都对应丝氨酸
C.
控制豌豆高茎和矮茎的基因的根本区别在于不同的基因含有不同的密码子
D.
基因碱基序列发生改变,其控制合成的蛋白质的氨基酸序列一定发生改变
【单选题】关于过程改进,以下叙述中不正确的是 。
A.
软件质量依赖于软件开发过程的质量,其中个人因素占主导作用
B.
要使过程改进有效,需要制定过程改进目标
C.
要使过程改进有效,需要进行培训
D.
CMMI 成熟度模型是一种过程改进模型,仅支持阶段性过程改进而不支持连续性过程改进
【单选题】●关于过程改进,以下叙述中不正确的是 (30)。 (30)
A.
软件质量依赖于软件开发过程的质量,其中个人因素占主导作用
B.
要使过程改进有效,需要制定过程改进目标
C.
要使过程改进有效,需要进行培训
D.
CMMI成熟度模型是一种过程改进模型,仅支持阶段性过程改进而不支持连续性过程改进
【简答题】In the revolute four-bar mechanism shown below, let L AB =60mm, L BC =130mm, L DC =140mm, L AD =200mm, and Ð BAD=135 o . (1) Determine the type of the revolute four-bar mechanism. (2) If the side lin...
【单选题】● 以下关于过程改进的叙述中,错误的是 (30) 。 (30)
A.
过程能力成熟度模型基于这样的理念:改进过程将改进产品,尤其是软件产品
B.
软件过程改进框架包括评估、计划、改进和监控四个部分
C.
软件过程改进不是一次性的,需要反复进行
D.
在评估后要把发现的问题转化为软件过程改进计划
【单选题】The ______________ moieties of certain sphingolipids define the human blood groups (O, A and B) and therefore determine the type of blood that individuals can safely receive in blood transfusions.
A.
carbohydrate
B.
lipid
C.
sphingosine
D.
glycerol
【多选题】D stumped
A.
gained H artistic O responsible H artistic L identically C mentioned F heavily M opposite K analytical J distorted I determine
B.
derive E surpassed G retorted Have you ever heard People say that they tend to be more of a right-brain or left-brain thinker? From books to television programs, you have probably heard the term 1) numerous times, or perhaps you have even taken an online test to 2) which type best describes you. Do different parts of the brain really control different bodily and mental functions? Over the years, a theory that has 3) in popularity is that the right brain and the left brain are 4) for different modes of thought and that the way in which a person thinks will depend on which side of his brain works more actively. People who rely more 5) on the right half of their brain tend to be more imaginative and spontaneous. They are interested in patterns, shapes and sizes, for the right brain is associated with 6) ability like singing, painting writing poetry, etc. Left-brain dominated people are quite 7) in the way they think. They tend to be more logical and 8) in their thinking and usually stand out in mathematics and word skills. While the different functions of the two brain parts may have been 9) and exaggerated by popular psychology, understanding your strengths and weaknesses in certain areas can help you develop better ways to learn and study. For example, if you are usually 10) in trying to follow verbal instructions, an activity often cited as a right-brain characteristic, you can benefit from writing down directions and developing better organizational skills.
【简答题】请翻译: переда́ть в дар кому́ пожа́ть кому́ ру́ку поклони́ться кому́ шко́ла жи́вописи почётный граждани́н ва́жные госуда́рственные лю́ди бога́тые и зна́тные да́мы ти́хий переу́лок Национа́льная карти́нна...
【简答题】Are you a ager who wants to make some money and gain some work experience? An after-school job would serve both purposes.Finding and after-school job online is not difficult.Here’s how. Evaluate y...
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【多选题】D stumped
A.
gained H artistic O responsible H artistic L identically C mentioned F heavily M opposite K analytical J distorted I determine
B.
derive E surpassed G retorted Have you ever heard People say that they tend to be more of a right-brain or left-brain thinker? From books to television programs, you have probably heard the term 1) numerous times, or perhaps you have even taken an online test to 2) which type best describes you. Do different parts of the brain really control different bodily and mental functions? Over the years, a theory that has 3) in popularity is that the right brain and the left brain are 4) for different modes of thought and that the way in which a person thinks will depend on which side of his brain works more actively. People who rely more 5) on the right half of their brain tend to be more imaginative and spontaneous. They are interested in patterns, shapes and sizes, for the right brain is associated with 6) ability like singing, painting writing poetry, etc. Left-brain dominated people are quite 7) in the way they think. They tend to be more logical and 8) in their thinking and usually stand out in mathematics and word skills. While the different functions of the two brain parts may have been 9) and exaggerated by popular psychology, understanding your strengths and weaknesses in certain areas can help you develop better ways to learn and study. For example, if you are usually 10) in trying to follow verbal instructions, an activity often cited as a right-brain characteristic, you can benefit from writing down directions and developing better organizational skills.
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