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【单选题】
甲企业的存货周转期为150天,应收账款周转期为90天,应付账款周转期为120天,则该企业的经营周期是( )天。A.
180
B.
210
C.
240
D.
120
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【简答题】People are often killed while crossing the road. Most of them are old people and children. Old people are often killed because they usually can't see or hear very well. Children are often killed becau...
【简答题】（）轴承主要盛誉受轴向载荷，向心轴承主要承受（）载荷。
【简答题】向心轴承主要承受 载荷,推力轴承主要承受 载荷,向心推力轴承同时承受 载荷。
【单选题】Which of the following is not true of those young computer hackers?
A.
Most of them are top students majoring in computer programming.
B.
For them, computer programming is the sole purpose for their life.
C.
They can stay with the computer at the center for nearly three days on end.
D.
Their 'love' for the computer is so deep that they want to be near their machine when they sleep.
【简答题】向心轴承主要承受 载荷,推力轴承主要承受 载荷。
【单选题】Which of the following is NOT true of those young computer 'hackers'?
A.
Most of them are top students majoring in computer programming.
B.
For them, computer programming is the sole purpose for their life.
C.
They can stay with the computer at the center for nearly three days on end.
D.
Their 'love' for the computer is so deep that they want to be near their machines even when they sleep.
【简答题】天然沥青的编码是__________
【简答题】A．Most of them are popular among their teachers. B．Their classes are held wherever they are working, C．They are likely to become famous stars. D．They often don't have enough time for their lesson.
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