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【单选题】
下列问题属于典型的逻辑学研究的对象是A.
什么样的推理形式是有效的，以及如何系统地找出某一领域内所有有效地推理形式。
B.
历史上的哲学家是如何看待推理和论证的。
C.
人在进行推理、论证等理性思维活动时脑神经是如何运动变化的。
D.
哪些关于世界的命题或理论是真的。
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【简答题】In the conversations that __________ up between friends, you sometimes hear the words “babe,” “broad,” and “chick.” These are words that are used _____________ or directed toward women. It is certainl...
【简答题】搜索引擎内容处理和索引的步骤
【多选题】建立油气渗流数学模型时，下列哪类方程必不可少（）
A.
n运动方程
B.
n状态方程
C.
n质量守恒方程（又称连续性方程）
D.
n能量守恒方程（非等温渗流，如热采）
E.
n有关的边界条件和初始条件
【单选题】听力原文： I live in a big old house. At night you can sometimes hear strange noises. Last Saturday I got home late. I went upstairs, washed and went to bed. My bedroom was very cold and it took me about a...
A.
Upstairs.
B.
A rubbish container.
C.
Outside the window.
D.
Pieces of paper under the bed.
【单选题】听力原文： I live in a big old house. At night you can sometimes hear strange noises, Last Saturday I got home late. I went upstairs, washed and went to bed. My bedroom was very cold and it took me about a...
A.
Upstairs.
B.
A rubbish container.
C.
Outside the window.
D.
Pieces of paper under the bed.
【简答题】影响水泥硬化速度快慢的因素主要有哪些?
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