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【单选题】
下列哪个不属于数学建模的基本环节( )。A.
创设问题情境，激发求知欲
B.
研究模型，形成数学知识
C.
解决实际应用问题，享受成功喜悦
D.
观察分析，体会数学应用价值
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举一反三
【简答题】编写一个程序,从键盘上 输入 4 个整数,输出其中的最小值。 (注意:至少给2种输出截图)
【简答题】Because democratization, despite its lofty idealization, is undermining truth, souring civic discourse, and belittling expertise, experience, and talent. The rhetorical device used in the above senten...
【单选题】Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that the ball passes over the net and lands in her opponent’s court. Consider the following forces: A. a do...
A.
A only
B.
A and B
C.
A and C
D.
B and C
E.
A, B, and C
【简答题】采用RS232C实现最简单的双机互联,至少需要如下信号线: 、RXD和GND。
【单选题】In "Sun", despite the warning, the children keep going back to sunbathe in the same place every day. What does this mean?
A.
They are naughty and childish.
B.
It shows their respect for natural emotions which are symbolized by the snake.
C.
They are ignorant without realizing the danger.
D.
None of the above.
【简答题】串行口控制寄存器SCON用来控制串行口的工作方式和状态,当单片机复位时,所有位全为( )(填1或0)。
【简答题】碳素构件用钢又称为( )钢。
【单选题】51单片机串行口的工作方式由串行口控制寄存器SCON中的SM0和SM1设定,当SM0、SM1为1、0时,则串行口设定为方式( )。
A.
0
B.
1
C.
2
D.
3
【简答题】The economy of the United States after 1952 was the economy of a well-fed, almost fully employed people. Despite occasional alarms, the country escaped any postwar depression and lived in a state of b...
【单选题】Despite the approach of winter, oil prices to industrial customers are exceptionally low this year and likely to remain so. Therefore, unless the winter is especially severe, the price of natural gas ...
A.
Long-term weather forecasts predict a mild winter.
B.
The industrial users who consume most natural gas can quickly and cheaply switch to using oil instead.
C.
The largest sources of supply for both oil and natural gas are in subtropical regions unlikely to be affected by winter weather.
D.
The fuel requirements of industrial users of natural gas are not seriously affected by the weather.
E.
Oil distribution is more likely to be affected by severe winter weather than is the distribution of natural gas.
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