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【单选题】
伺服电机在自动控制系统中，通常用作（），把所收到的电信号转换成电动机轴上的角位移或角速度输出，可分为直流和交流伺服电动机两大类。A.
执行元件
B.
动力输出
C.
测量元件
D.
执行元件或测量元件
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反馈参考答案：
举一反三
【单选题】听力原文： Gates was born and brought up in Seattle. [29] At the age of 14, he founded a computer programming company with three friends, and they had earned $20,000 by selling their traffic-counting syste...
A.
He sold traffic-counting system to local governments.
B.
He dropped out of his law course at Harvard University.
C.
He founded his own company--Microsoft Software company.
D.
He devised an operating system for IBM.
【单选题】党的十九大报告中指出,中国特色社会主义进入新时代,意味着近代以来久经磨难的中华民族迎来了从站起来、富起来到强起来的伟大飞跃,迎来了实现中华民族( )的光明前景。
A.
改革开放
B.
治国理政
C.
自强自立
D.
伟大复兴
【单选题】不符合慢性粟粒性肺结核病的描述的是
A.
多见于成年人
B.
肺原发病灶多已钙化痊愈
C.
患者多因结核性脑膜炎死亡
D.
干酪样坏死破入颈内静脉，血行播散引起
E.
肺内形成新旧不等病变
【单选题】听力原文： Gates was born and brought up in Seattle. At the age of 14, he founded a computer programming company with three friends, and they had earned ＄ 20,000 by selling their traffic-counting system to...
A.
He sold traffic-counting system to local governments.
B.
He dropped out of his law course at Harvard University.
C.
He founded his own company--Microsoft Software company.
D.
He devised an operating system for IBM.
【单选题】以下程序的输出结果是: #include int main( ) { int i=012, j=12, k=0x12; printf(“%d,%d,%d\n”,i, j, k ); return 0; }
A.
10, 12, 18
B.
12, 12, 12
C.
10, 12, 12
D.
12, 12, 18
【简答题】党的十九大报告指出,中华民族迎来了从站起来、富起来到( )的伟大飞跃。
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