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【判断题】
中职生应树立“天生我材必有用”的理念,要对自己的职业生充满信心()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The following data relate to inventory item A452: Average usage 100 units per day Minimum usage 60 units per day Maximum usage 130 units per day Lead time 20-26 days EOQ 4,000 units What is the maximu...
A.
3,380 units
B.
6,180 units
C.
7,380 units
D.
8,580 units
【单选题】1949年中华人民共和国刚成立时,我国人均国民收入只有( ),相当于西方发达国家18世纪中期的水平。 窗体顶端
A.
17美元
B.
27美元
C.
35美元
D.
43美元
【单选题】Great as Russell was, many of his ideas ______ today and are being modified by the work of philoso phers of our time.
A.
are to challenge
B.
may be challenged
C.
have been challenged
D.
are challenging
【单选题】Great as Newton was, many of his ideas ______ today and are being modified by the work of scientists of our time.
A.
are to challenge
B.
may be challenged
C.
have been challenged
D.
are challenging
【单选题】The _______ layer is responsible for delivering data units from one station to the next without errors.
A.
physical
B.
data link
C.
trnsport
D.
network
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