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搜题
【单选题】
大肠的募穴是
A.
大横
B.
中脘
C.
梁门
D.
天枢
E.
中极
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【判断题】颊肌纤维向前交叉参与口轮匝肌的组成,它 的主要作用是牵拉口角向后,使颊部更接近上下牙列,有助于咀嚼和吮吸。
A.
正确
B.
错误
【单选题】牵拉口角向后的肌是 ( )
A.
颊肌
B.
颏肌
C.
降口角肌
D.
口轮匝肌
E.
降下唇肌
【简答题】试比较溢流阀、减压阀和顺序阀的异同点。
【单选题】No damage of any kind ______ aids to navigation or navigation facilities.
A.
should be done to
B.
should not be done to
C.
must be done with
D.
must not be done with
【简答题】牵拉口角向后的肌为___。
【单选题】According to the principle of operation, navigation system can be divided into instrument navigation systems, , inertial navigation systems, astronomical navigation systems and integrated navigation ...
A.
Independent navigation systems
B.
Dependent navigation systems
C.
Short range navigation systems
D.
radio navigation systems
【单选题】Navigation details including soundings, nature of the bottom, navigational marks etc. are shown in ____
A.
small-scale charts
B.
medium-scale charts
C.
large-scale charts
D.
natural scale charts
【判断题】牵拉口角向后的肌为颊肌
A.
正确
B.
错误
【简答题】比较溢流阀、减压阀、顺序阀的异同点
【单选题】The GPS navigation system is _____.
A.
a global navigation system
B.
a short-distance navigation system
C.
a middle-distance navigation system
D.
a long-distance navigation system
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