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【简答题】
简述小儿贫血程度的分类。
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【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
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【单选题】若设串行控制寄存器 SCON=40H,则串行口的工作方式为()
A.
方式 0
B.
方式 1
C.
方式 2
D.
方式 3
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【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。
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【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.
查看完整题目与答案
【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)。
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【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: 、 和 。
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【简答题】碳素构件用钢又称为( )钢。
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【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
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【单选题】手术室护士小姜,使用环氧乙烷消毒物品,工作中突然感到剧烈头痛、恶心、四肢无力'被送往急诊室,经诊断并排除其他疾病,确诊为环氧乙烷急性中毒。导致该职业损伤的因素是
A.
化学性因素
B.
物理性因素
C.
生物性因素
D.
心理性因素
E.
放射性因素
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【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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相关题目：
【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
查看完整题目与答案
【单选题】若设串行控制寄存器 SCON=40H,则串行口的工作方式为()
A.
方式 0
B.
方式 1
C.
方式 2
D.
方式 3
查看完整题目与答案
【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。
查看完整题目与答案
【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.
查看完整题目与答案
【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)。
查看完整题目与答案
【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: 、 和 。
查看完整题目与答案
【简答题】碳素构件用钢又称为( )钢。
查看完整题目与答案
【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
查看完整题目与答案
【单选题】手术室护士小姜,使用环氧乙烷消毒物品,工作中突然感到剧烈头痛、恶心、四肢无力'被送往急诊室,经诊断并排除其他疾病,确诊为环氧乙烷急性中毒。导致该职业损伤的因素是
A.
化学性因素
B.
物理性因素
C.
生物性因素
D.
心理性因素
E.
放射性因素
查看完整题目与答案
【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.
查看完整题目与答案