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【单选题】
决定钢淬硬性高低的主要因素是钢的( )。A.
含碳量
B.
工件形状
C.
合金元素
D.
冷却介质
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皮皮学刷刷变学霸
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【单选题】In the A-B-C classification system, items which account for sixty percent of the total dollar-volume for few inventory items would be classified as:
A.
A items
B.
B items
C.
C items
D.
A items plus B items
E.
B items plus C items
【单选题】听力原文：W: Can you give me a hand, Mike? I want to move a few heavy items into the car. M: I'd like to, but I'm already five minutes late for my appointment with Mr. Johnson, and his office is on the oth...
A.
He will go to Mr. Johnson's office.
B.
He will help the woman to move the items.
C.
He will drive the woman's car to his own office.
D.
He will call Mr. Johnson to move the items together.
【单选题】Which of the following items is included in M2?
A.
credit cards
B.
money market mutual funds
C.
corporate bonds
D.
large time deposits
【简答题】公路养护现代化可以提高道路养护作业的( )、( )及( )。
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