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【简答题】
将下列程序改为对USART3进行配置: RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); USART_InitStructure.USART_BaudRate = 9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx|USART_Mode_Tx; USART_Init(USART1,&USART_InitStructure); USART_Cmd(USART1, ENABLE); USART_ITConfig(USART1,USART_IT_RXNE,ENABLE); USART_ITConfig(USART1,USART_IT_TXE ,ENABLE);
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参考答案：
举一反三
【单选题】FX 系列PLC中,32位乘法指令应用( )
A.
DADD
B.
ADDC
C.
DSUB
D.
DMUL
查看完整题目与答案
【简答题】We all have weaknesses and strengths, no matter who we are. Sometimes the weaknesses seem to outweigh the strengths and sometimes it’s the other way around. Some people get sick easily. Some struggle ...
查看完整题目与答案
【简答题】We have to accept the truth: Sometimes, we just want to shout out loud. For example, we all have days like this: our dog has made a mess on the floor we just cleaned, or our friend called to tell us h...
查看完整题目与答案
【判断题】FX系列PLC中,32位乘法指令应用DMUL。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】随着全球信息化的发展，信息安全成了网络时代的热点，为了保证我国信息产业的发展与安全，必须加强对信息安全产品、系统、服务的测评认证，中国信息安全产品测评认证中心正是由国家授权从事测评认证的国家级测评认证实体机构，以下对其测评认证工作的错误认识是（）。
A.
测评与认证是两个不同概念，信息安全产品或系统认证需经过申请、测试、评估，认证一系列环节
B.
认证公告将在一些媒体上定期发布，只有通过认证的产品才会向公告、测试中或没有通过测试的产品不再公告之列
C.
对信息安全产品的测评认证制度是我国按照WTO规则建立的技术壁垒的管理体制
D.
通过测试认证达到中心认证标准的安全产品或系统完全消除了安全风险
查看完整题目与答案
【单选题】From the last sentence of the passage we can learn that______.
A.
sometimes we have to shout loudly so that others can hear us
B.
it is important to warn people of the danger of noise pollution
C.
shouting is the chief cause of noise pollution nowadays
D.
we can put noise under control if we take effective measures
查看完整题目与答案
【单选题】We have happiness, _________ still we have trouble sometimes. That's life. [     ]
A.
so
B.
because
C.
but
D.
and
查看完整题目与答案
【单选题】Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1)_____, it's best to deal with them, (2)_____ remember that any...
A.
relationship
B.
emission
C.
emulation
D.
interpretation
查看完整题目与答案
【单选题】等成本曲线围绕着它与纵轴的交点逆时针移动表明()。
A.
生产要素Y的价格上升了；
B.
生产要素X的价格上升了；
C.
生产要素X的价格下降了；
D.
生产要素Y的价格下降了。
查看完整题目与答案
【单选题】We sometimes have to meet some difficulties, but we should develop a good attitude _______ life.
A.
in
B.
on
C.
at
D.
to
查看完整题目与答案
相关题目：
【单选题】FX 系列PLC中,32位乘法指令应用( )
A.
DADD
B.
ADDC
C.
DSUB
D.
DMUL
查看完整题目与答案
【简答题】We all have weaknesses and strengths, no matter who we are. Sometimes the weaknesses seem to outweigh the strengths and sometimes it’s the other way around. Some people get sick easily. Some struggle ...
查看完整题目与答案
【简答题】We have to accept the truth: Sometimes, we just want to shout out loud. For example, we all have days like this: our dog has made a mess on the floor we just cleaned, or our friend called to tell us h...
查看完整题目与答案
【判断题】FX系列PLC中,32位乘法指令应用DMUL。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】随着全球信息化的发展，信息安全成了网络时代的热点，为了保证我国信息产业的发展与安全，必须加强对信息安全产品、系统、服务的测评认证，中国信息安全产品测评认证中心正是由国家授权从事测评认证的国家级测评认证实体机构，以下对其测评认证工作的错误认识是（）。
A.
测评与认证是两个不同概念，信息安全产品或系统认证需经过申请、测试、评估，认证一系列环节
B.
认证公告将在一些媒体上定期发布，只有通过认证的产品才会向公告、测试中或没有通过测试的产品不再公告之列
C.
对信息安全产品的测评认证制度是我国按照WTO规则建立的技术壁垒的管理体制
D.
通过测试认证达到中心认证标准的安全产品或系统完全消除了安全风险
查看完整题目与答案
【单选题】From the last sentence of the passage we can learn that______.
A.
sometimes we have to shout loudly so that others can hear us
B.
it is important to warn people of the danger of noise pollution
C.
shouting is the chief cause of noise pollution nowadays
D.
we can put noise under control if we take effective measures
查看完整题目与答案
【单选题】We have happiness, _________ still we have trouble sometimes. That's life. [     ]
A.
so
B.
because
C.
but
D.
and
查看完整题目与答案
【单选题】Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1)_____, it's best to deal with them, (2)_____ remember that any...
A.
relationship
B.
emission
C.
emulation
D.
interpretation
查看完整题目与答案
【单选题】等成本曲线围绕着它与纵轴的交点逆时针移动表明()。
A.
生产要素Y的价格上升了；
B.
生产要素X的价格上升了；
C.
生产要素X的价格下降了；
D.
生产要素Y的价格下降了。
查看完整题目与答案
【单选题】We sometimes have to meet some difficulties, but we should develop a good attitude _______ life.
A.
in
B.
on
C.
at
D.
to
查看完整题目与答案
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