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【判断题】
若一普通 V 带传动装置工作时有 300r/min 和 600r/min 两种转速,且传递的功率不变,则该带传动应按 600r/min 转速进行设计。( )A.
正确
B.
错误
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举一反三
【简答题】Listen to Pete and Sally talking about what is involved in the monitoring of a project and choose the correct answer for each question.
【单选题】Upon reaching home,______
A.
many letters were found on the desk
B.
I found many letters on the desk
C.
there were many letters on the desk
D.
there existed many letters on the desk
【简答题】país que emitio el documento
【简答题】阅读理解。 Upon reaching an appropriate age (usually between 18 and 21 years), children are encouraged, but not forced, to 'leave the nest' and begin an independent life. After children leave home, they of...
【单选题】Upon reaching an __________age, children are encouraged, but not force, to leave the nest.
A.
appreaciate
B.
apologize
C.
appropriate
D.
application
【简答题】documento de embarque
【简答题】documento negociable
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