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【单选题】
关于SICAS的英文全称和中文名称,下列说法正确的是()。A.
SIMEMS Computer Aided Signaling,西门子计算机辅助信号。
B.
SIMEMS Computer Aided Signaling,西门子信号监控设备。
C.
SIMEMS Computer Aided System,西门子计算机辅助信号。
D.
SIMEMS Computer Add Signaling,西门子计算机信号监控。
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反馈参考答案：
举一反三
【单选题】The photo _______ me of my happy childhood.
A.
recalled
B.
called
C.
remembered
D.
Reminded
【单选题】—Do you know the boy ____ is playing soccer there? —Certainly, he is a friend of my _____
A.
who; brother’s
B.
who; brother
C.
whom; brother’s
D.
whose; brother
【多选题】下面关于时不变线性系统的控制综合说法错误的是( ) 。
A.
基于极点配置实现状态反馈控制一定可以使系统稳定。
B.
不可控的系统也是不可镇定的。
C.
不可观的系统一定不能通过基于降维观测器的状态反馈实现系统镇定。
D.
基于观测器的状态反馈实际是输出动态补偿与串联补偿的复合。
【简答题】My sister was against my suggestion while my brother was _______ it. A. in honor of B. in memory of C. in favor of D. in search of
【简答题】I am a student in China now. My name is Kelly Smith. I live with my parents, two sisters and a brother in Beijing. My parents teach English in No. 6 Middle School. I study in the same school. I am hap...
【单选题】'Are these your photos?' 'No, they are my ______.' [ ]
A.
brother
B.
brothers
C.
brother's
D.
of brother
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