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【单选题】
某企业的新产品投入试销,其试用率较低而重购率较高,企业最应当采取的措施是()
A.
继续发展、抓紧上市
B.
改进新产品
C.
加强促销、开发市场
D.
放弃
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举一反三
【单选题】MCS-51的并行I/O读-改-写操作,是针对该口的:
A.
引脚
B.
缓冲器
C.
地址线
D.
内部锁存器
【单选题】甲为一农民,因建房而向乙借款,双方约定,将村里分配给甲承包的5亩耕地及地上种植的小麦抵押给乙。后因甲无力还款引发纠纷。下列正确的是()。
A.
该抵押合同全部无效
B.
该抵押合同全部有效
C.
该抵押合同涉及小麦为抵押物的条款有效
D.
该抵押合同涉及5亩耕地为抵押物的条款有效
【简答题】On a Friday night ,a poor young violinist was playing his violin at the entrance of the subway station .The music was so great that people down to listen and put some money into his hat . The next day...
【简答题】A.He drove out of tile town and tried to escape. B.He went directly to the police station. C.He argued with the police angrily. D.He waited for the police to arrest him.
【单选题】甲为一农民,因建房而向乙借款,双方约定,将自己承包的五亩耕地及地上所种的小麦抵押给乙。因甲无力还款而引起纠纷。下列表述正确的是( )。
A.
该抵押合同全部有效
B.
该抵押合同全部无效
C.
该抵押合同中涉及小麦作为抵押物的条款有效
D.
该抵押合同中涉及的五亩承包地作为抵押物的条款有效
【单选题】MCS-51 的并行I/O口读-改-写操作,是针对该口的:
A.
引脚
B.
地址信号
C.
片选信号
D.
内部锁存器
【简答题】Mr. Green lived in a small town, but he worked in an office in a big city. So five days a week he went to work by train every morning and came home the same way. One morning he took out his newspaper ...
【单选题】甲为一农民,因建房而向乙借款。双方约定,甲将自己承包的6亩耕地及地上所种的水稻抵押给乙。后因甲无力还款而引起纠纷。下列说法正确的是(    )。
A.
该抵押合同全部有效
B.
该抵押合同全部无效
C.
该抵押合同中涉及水稻作为抵押物的部分有效
D.
该抵押合同中涉及6亩承包地作为抵押物的部分有效
【单选题】___________ some water and two hot dogs on the table. [     ]
A.
There is
B.
There are
C.
Have
【单选题】He ______ the train if he hadn't been stack in traffic jam on the way to the railway station.
A.
couldn't miss
B.
wouldn't have misse
C.
mustn't have missed
D.
shouldn't miss
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