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【单选题】
以下关于棘轮机构错误的是 。A.
棘轮转角可调
B.
适用低速、轻载场合
C.
只可实现单向间歇运动
D.
运动可靠
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皮皮学刷刷变学霸
举一反三
【单选题】宏观经济学包含下列哪些内容：( )。
A.
总产出是如何决定的
B.
什么决定就业和失业总量
C.
什么决定一个国家发展的速度
D.
什么引起总价格水平的上升和下降
E.
以上说法全都正确
【多选题】According to the negotiation of the technology transfer in dialogue 1,the buyer will offer _____.
A.
the know-how
B.
only the right to use the patent
C.
technical training to the buyer's workers
D.
the costs for the technical training
E.
the price to buy the technology
F.
factory and workers
G.
facility（便利） and tools for the technical training
【多选题】According to the negotiation of the technology transfer in dialogue 1,the seller will offer _____.
A.
the know-how
B.
only the right to use the patent
C.
technical training to the buyer's workers
D.
the costs for the technical training
E.
the price to buy the technology
F.
factory and workers
G.
facility（便利） and tools for the technical training
【简答题】若函数 是幂函数,则m= .若是反比例函数,则 m= ;
【单选题】We _______ your letter of May 3rd, asking us to make an offer for our latest Laser Jet Printers.
A.
refer to
B.
read about
C.
go over
D.
check up
【单选题】Where is this offer valid?
A.
Computer Mart
B.
Technology Mall
C.
Electronics Depot
D.
Printers Warehouse
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