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【单选题】
在施工过程的质量控制中，工程质量预控是指（）。A.
在工程施工前，预先检查轴线、标高、预埋件、预留的位置以防止出现偏差
B.
在工程施工前， 监理工程师制定工序控制流程，以防止工程质量失去控制
C.
针对所设置的质量控制点，实现分析在施工中可能发生的隐患，提出相应对策
D.
在工程施工前，对应项质量的五大因素的控制
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举一反三
【单选题】A person pulls a box along the ground at a constant speed. If we consider Earth and the box as our system, what can we say about the net external force on the system?
A.
It is zero because the system is isolated.
B.
It is nonzero because the system is not isolated.
C.
It is zero even though the system is not isolated.
D.
It is nonzero even though the system is isolated.
E.
none of the above
【单选题】What is the first thing you should consider when thinking about building an international information system?
A.
the state of world politics
B.
look for new technologies that will help you achieve your goals
C.
consider the global environment where your business will operate, and identify the business drivers for your firm and industry
D.
the business challenges you face in the global environment
E.
the different computing and communication standards in the world
【单选题】Consider a system excited by a periodically changing external load. Which one of the following is true?
A.
The amplitude of the displacement response can be reduced if the mass becomes smaller.
B.
The response becomes larger if the excitation frequency is increased.
C.
Severe vibration takes place as the excitation frequency comes close to one of the system’s natural frequencies.
D.
There is nothing one can do to turn down the vibration scale because it is a random function of time.
【简答题】为什么我会为母亲卖白菜的决定而哭?
【单选题】下列说法不正确的是：
A.
在动、植物细胞中，遗传物质的载体是DNA
B.
细胞癌变，与细胞内遗传因素有关，许多致癌物质，它改变了细胞核内的物质
C.
动物细胞和植物细胞都有细胞膜、细胞质、细胞核
D.
DNA、基因、染色体的关系是
【多选题】为什么“我”会为母亲卖白菜的决定而哭?
A.
因为那三棵白菜原是准备留着过年包饺子的，在那个极端贫困的家庭，这是一个小孩子最大的盼望。
B.
因为我不想和母亲去集市上卖白菜。
C.
因为母亲没有和我商量就做了这个决定。
D.
因为这些白菜是我和母亲亲手种植、侍弄的，我对这些白菜有着深厚的感情。
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