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【简答题】
Answer the following Questions: 1 ) What are the basic components of an airplane ? 2. What are the functions of fuselage? 3. Why is modern cockpit called glass cockpit? 4. What instruments can we see in the cockpit? 5. What are the functions of wings? What does the wing comprise? 6. What are the major components of empennage? 7. What does the landing gear consist of? 8. What types of landing gear do you know? 9. What are the functions of engines? 10 What are the major parts of a turbofan engine? 11. What is APU? And its functions? 12. What systems does an airplane have? 13. What does primary flight control system consist of? 14. Where are the primary control surfaces located and what are their functions? 15. What does secondary flight control surface consist of ? 16. what are the location and functions of secondary flight control system? 17. What units and mechanism are powered by the hydraulic system?
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【单选题】患儿,男,1岁半,因发热、咳嗽3天,1天来诉右耳痛来院就诊,五官科诊断为急性中耳炎。其发病机理为
A.
小儿喉部呈漏斗型,感染不容易向下,故向周围蔓延
B.
感染通过血行播散
C.
感染通过淋巴管播散
D.
咽鼓管较宽、直而短、呈水平位,故感染易蔓延到中耳
E.
上呼吸道IgA分泌少.易患中耳炎
【单选题】对 直径为20mm的钢筋,梁顶和梁底钢筋净矩分别要求。
A.
梁顶≥ 25mm;梁底≥ 20mm
B.
≥ 20mm ;≥ 25mm
C.
≥ 30mm ;≥ 25mm
D.
≥ 25mm ;≥ 30mm
【单选题】Closed-loop control system also known as ()
A.
composite control system
B.
Loop control system
C.
Feedback control system
D.
other
【单选题】患儿，男，1岁半，因发热、咳嗽3天，1天来诉右耳痛来院就诊，五官科诊断为急性中耳炎。其发病机理为
A.
小儿喉部呈漏斗型，感染不容易向下，故向周围蔓延
B.
感染通过血行播散
C.
感染通过淋巴管播散
D.
咽鼓管较宽、直而短、呈水平位，故感染易蔓延到中耳
E.
上呼吸道IsA分泌少，易患中耳炎
【简答题】职业生涯发展目标的选择应通过( )、( )和( )三步决策分析。
【单选题】钢筋混凝土矩形截面梁中,梁顶和梁底均采用钢筋直径为20的钢筋,则梁顶和梁底钢筋净距分别要求( )
A.
梁顶>=25mm、梁底>=20mm
B.
梁顶>=20mm、梁底>=25mm
C.
梁顶>=30mm、梁底>=25mm
D.
梁顶>=25mm、梁底>=30mm
【单选题】The primary difference of the open-loop system versus closed-loop system is that the latter one has ( ).
A.
a computer controller
B.
a system driver
C.
a feedback loop
【简答题】职业生涯发展目标的选择,应通过( )、( )和( )三个步骤。可能做出的决定有两种: ( )和( )。
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