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【单选题】
对8255的C口D 3 位置1的控制字为 。 下面是8255的置位复位控制字:
A.
00000110B
B.
00000111B
C.
00000100B
D.
00000101B
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参考答案:
举一反三
【单选题】建筑模数有()。①统一模数②实际尺寸③基本模数④构造尺寸⑤扩大模数⑥分模数
A.
①③④⑤⑥
B.
③⑤⑥
C.
①③⑤⑥
D.
①②③④⑤⑥
【判断题】珠算运算乘法时,运算过程是心算乘法,珠算加法,从最位到低位,依次退位叠加。
A.
正确
B.
错误
【单选题】砖墙水平灰缝的砂浆饱满度至少达到
A.
0.9
B.
0.8
C.
0.75
D.
0.7
【简答题】阅读理解 Lily, a student of Happy International School, makes a survey about the school uniforms in her school. There are 800 students in the survey. She asks them what they think of wearing their school ...
【单选题】砖墙水平灰缝的砂浆饱满度至少达到( )以上
A.
0.9
B.
0.8
C.
0.75
D.
0.7
【单选题】砖墙水平灰缝的砂浆饱满度至少达到( )以上
A.
90%
B.
80%
C.
70%
D.
75%
【单选题】砖墙水平灰缝的砂浆饱满度至少达到( )以上
A.
90%
B.
80%
C.
75%
D.
70%
【单选题】砖墙水平灰缝的砂浆饱满度至少达到( )以上
A.
0%
B.
0%
C.
5%
D.
0%
【简答题】短文改错。 At your school, who usually makes the decision to punish the student who is found cheat in an exam or getting into a fight? 'The school authority, of course!' You would probably say. And in the ...
【单选题】砖墙水平灰缝的砂浆饱满度至少达到( )以上
A.
90%
B.
80%
C.
75%
D.
D70%
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