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【单选题】
测量稳定压力时,被测介质的最大工作压力不得超过仪表量程的 ( )A.
1/2
B.
1/3
C.
2/3
D.
3/5
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皮皮学刷刷变学霸
举一反三
【简答题】锁环式惯性同步器,它主要由花键毂、接合套、 、 、定位销及弹簧等组成.
【单选题】Which of the following statements is not true about the prepared speech?
A.
It is the foundation for everything that follows.
B.
A strong prepared speech is vital to getting started on the right foot.
C.
You can always win a competition on the basis of your prepared speech alone.
D.
It builds the speaker’s confidence for the rest of the competition.
【单选题】A successful speech is a form of communication with the audience, so preparing a strong delivery should involve a significant amount of attention to the needs and interests of the ( ).
A.
audience
B.
speaker
C.
organizer
D.
reporter
【简答题】TCP/IP协议参考模型共分( )层,其中第三,四层分别是( )、( )。
【简答题】锁环式惯性同步器由()、()、()和()等组成。
【多选题】锁环式惯性同步器的结构由那些部件组成?
A.
细牙螺旋槽，破坏油膜
B.
锁环：带锁止角的外花键齿（锁止装置） ，缺口c，凸起d，带螺纹槽的内锥面（摩擦件）
C.
花键毂：外花键齿，滑块、定位销、弹簧（推动件）
D.
接合套（接合装置） ：带内花键齿，有凹槽a（空档定位）
【单选题】”It was the Phil Donahue show where the guest is a fatted calf and the audience a 200-strong flock of vultures hungering to pick at the bones.“ the figure of speech here is ________.
A.
metaphor
B.
simile
C.
personification
D.
exaggeration
【简答题】TCP/IP协议参考模型共分了4层,其中第3层是( )层。
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