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【简答题】
嵌入式系统是以 ( ) 为中心,以 计算机技术 为基础,软件硬件可裁剪的( )计算机系统。
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举一反三
【单选题】What is Mr. Scott in his company?
A.
He works as a manager.
B.
He works as an assistant.
C.
He works as a consultant.
【多选题】下列哪个因素会引起汽油发动机燃油喷射系统运行时燃油压力过低?( )
A.
燃油泵油管连接松动
B.
燃油泵压力调节器出故障
C.
燃油泵止回阀泄漏
D.
燃油泵入口有阻塞
【单选题】Although he is considered a great writer, __________. [     ]
A.
his works are not widely read
B.
but his woks are not widely read
C.
however, his works are not widely read
D.
still his works are widely read
【单选题】滑翔机是指没有()的重于空气的固定翼航空器。
A.
动力装置
B.
燃油系统
C.
操纵系统
D.
液压冷气系统
【单选题】If someone 'works around the clock,' it means ______.
A.
he likes his job
B.
he works non-stop
C.
he is very punctual
D.
he repairs clocks and watches
【多选题】下列哪个因素会引起汽油发动机燃油喷射系统运行时燃油压力过低
A.
燃油泵油管连接松动
B.
燃油泵限压阀出故障
C.
燃油泵单向阀泄漏
D.
燃油泵滤网脏污
【单选题】Although he is considered a great writer, _____.
A.
his works is not widely read
B.
but his works are not widely read
C.
however his works are not widely read
D.
yet his works are not widely read
【单选题】下列哪个因素不会引起汽油发动机燃油喷射系统运行时燃油压力过低?
A.
燃油泵油管连接松动
B.
燃油泵压力调节器出故障
C.
燃油泵止回阀泄露
D.
燃油泵入口有堵塞
【简答题】我国采用的国家大地坐标系主要包括1954年北京坐标系、1980西安坐标系和 国家大地坐标系。
【简答题】What was his third job? He works as ______ in a park.
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