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【单选题】
价格是()。A.
商品使用价值的货币表现
B.
商品价值的货币表现 C、由商品的供求关系决定的 D.由市场的竞争机制决定的
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皮皮学刷刷变学霸
举一反三
【单选题】Medium-speed engines have the following advantages except____.
A.
medium-speed engines use less oil than slow-speed engines.
B.
medium-speed engines of later type are capable of burning low quality heavy fuel oil.
C.
the engines have long stroke which improve engine efficiency.
D.
the engines are compact, thus providing more spaces for cargoes and passengers.
【单选题】Medium speed engines have the following advantages except _______.
A.
medium speed engines use less oil than slow speed engines.
B.
Medium speed engines of later type are capable of burning low quality heavy fuel oil.
C.
The engines have long strokes which improve engine efficiency
D.
The engines are compact. Thus providing more spaces for cargoes and passengers.
【单选题】Medium-speed engines have the following advantages except
A.
medium-speed engines use less oil than slow-speed engines
B.
medium-speed engines of later type are capable of burning low quality heavy fuel oil
C.
the engines have long strokes which improve engine efficiency
D.
the engines are compact， thus providing more spaces for cargoes and passengers
【单选题】Medium-speed engines have the following advantages except:
A.
medium-speed engines use less oil than slow-speed engines
B.
medium-speed engines of later type are capable of burning low quality heavy fuel
C.
the engines have long strokes which improve engine efficiency
D.
the engines are compact, thus providing more spaces for cargoes and passengers
【单选题】【单选】 Medium speed engines have the following advantages except _____
A.
Medium speed engines use less oil then than slow speed engines.
B.
Medium speed engines of later type are capable of burning low quality heavy fuel oil.
C.
The engines have long strokes improve engine efficiency,
D.
The engines are compact, thus providing more spaces for cargoes and passengers.
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