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【简答题】
51单片机的P 0 ～P 3 四个I/O口作输入口还是作输出口应如何确定？CPU读I/O端口引脚时，为什么先要给口锁存器写入“1”？
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参考答案：
举一反三
【简答题】Wind and rain now whipped the house. The rhetorical device adopted in the sentence is __________.
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【判断题】汇票上金额须用文字大写和数字小写分别表明。如果大小写金额不符，则以小写为准。
A.
正确
B.
错误
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【多选题】What suggestions are mentioned of improving the relationship between prarents and kids
A.
Respect each other's interests.
B.
Help parents do some housework.
C.
Put your parents in your shoes
D.
Earn your parents trusts.
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【单选题】By now the skies were black, a wind was blustering down the street and the rain slashing sideways.
A.
humid
B.
chill
C.
gloomy
D.
quiet
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【判断题】电话通信系统主要包括终端、交换和数据三大部分。
A.
正确
B.
错误
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【多选题】what suggestions are given by the lecturer in the video?
A.
lie on the sofa and wait for your chance
B.
Be prepared to do any work for any pay
C.
stop applying for jobs
D.
Keep learning new things
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【判断题】如果新鲜空气的状态点为A与废气的状态点为B,则混合后得空气状态点一定在AB连线上。
A.
正确
B.
错误
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【多选题】What are the speaker's suggestions?
A.
Read the first paragraph
B.
Read the first sentence of each paragraph
C.
Read the last paragraph
D.
Look at the questions
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【单选题】挡土墙静止不动，墙背土层未受任何干扰，作用在墙上的水平压应力称为（ ）。
A.
水平土压力
B.
静止土压力
C.
主动土压力
D.
被动土压力
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【多选题】According to the viedio, what suggestions are given to you?
A.
Get some identity capital
B.
Use your weak ties
C.
Pick your family.
查看完整题目与答案
相关题目：
【简答题】Wind and rain now whipped the house. The rhetorical device adopted in the sentence is __________.
查看完整题目与答案
【判断题】汇票上金额须用文字大写和数字小写分别表明。如果大小写金额不符，则以小写为准。
A.
正确
B.
错误
查看完整题目与答案
【多选题】What suggestions are mentioned of improving the relationship between prarents and kids
A.
Respect each other's interests.
B.
Help parents do some housework.
C.
Put your parents in your shoes
D.
Earn your parents trusts.
查看完整题目与答案
【单选题】By now the skies were black, a wind was blustering down the street and the rain slashing sideways.
A.
humid
B.
chill
C.
gloomy
D.
quiet
查看完整题目与答案
【判断题】电话通信系统主要包括终端、交换和数据三大部分。
A.
正确
B.
错误
查看完整题目与答案
【多选题】what suggestions are given by the lecturer in the video?
A.
lie on the sofa and wait for your chance
B.
Be prepared to do any work for any pay
C.
stop applying for jobs
D.
Keep learning new things
查看完整题目与答案
【判断题】如果新鲜空气的状态点为A与废气的状态点为B,则混合后得空气状态点一定在AB连线上。
A.
正确
B.
错误
查看完整题目与答案
【多选题】What are the speaker's suggestions?
A.
Read the first paragraph
B.
Read the first sentence of each paragraph
C.
Read the last paragraph
D.
Look at the questions
查看完整题目与答案
【单选题】挡土墙静止不动，墙背土层未受任何干扰，作用在墙上的水平压应力称为（ ）。
A.
水平土压力
B.
静止土压力
C.
主动土压力
D.
被动土压力
查看完整题目与答案
【多选题】According to the viedio, what suggestions are given to you?
A.
Get some identity capital
B.
Use your weak ties
C.
Pick your family.
查看完整题目与答案
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