题目内容
（请给出正确答案）
The purging of air from an elector-hydraulic steering gear unit is necessary when .
A.changing over to hand pump operation
B.engaging the trick wheel
C.the system has been filled with new oil
D.the rudder angle indicator does not match the helm position
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| It is said that ______ regularly is good for us, for we can know whether we are healthy or not. |
[ ] |
| A. examined B. examining C. being examined D. having examined |
A、Interaction among women appears to facilitate the exchange of turns.
B、Interaction among men appears to be organized in a more hierarchical way.
C、In the mixed group the males initiated and received more interaction than the females.
D、Males tend to reveal more information about themselves than females in communication.
A、The posture of the females was generally still and collected together into a small space.
B、The females tend to orient their bodies and gaze toward each other in a direct alignment.
C、The males tend to sit so that they will not directly face each other.
D、The males are very active with much movement of their bodies as they talked.
A、they return to their native country after a long time
B、they come to a host country which they are not familiar with
C、they become comfortable with the habits and customs of a new lifestyle of the host country
D、they are away from their home country
A、Appropriateness and efficiency
B、Adroitness and effectiveness
C、Appropriateness and effectiveness
D、Rationality and efficiency
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