A.Liquidation
B.Differentiation
C.Diversification
D.Integration
第1题
第2题
A.their buzzes
B.their quacks
C.their clicks
D.their squeals
第3题
A.exchange information about the business
B.receive higher education
C.travel around the world
D.take the opportunities to stay together with their colleagues
第4题
A.exchange information about the business.
B.receive higher education.
C.travel around the world.
D.take the opportunities to stay together with their colleagues.
第5题
A.the bacteria are only effective against three species of beetles
B.Fields' technique is less effective in winter
C.Fields' technique may kill nearly all the beetles at -10℃
D.Insects may develop resistance against the bacteria
第6题
A.To apply for Medical benefits.
B.To buy another insurance policy.
C.To renew their COBRA.
D.To ask for help from the government.
第7题
A.To apply for Medical benefits.
B.To buy another insurance policy.
C.To renew their COBRA
D.To ask for help from the government.
第8题
A.Beatlejuice
B.Beatlemania
C.Beatlehit
D.Beatletime
第9题
The engine that became standard on western steamboats was of a different and 【28】______ design. It was the work primarily of an unsung hero of American industrial progress, Oliver Evans (1755-1819), the 【29】______ son of a Delaware farmer. Evans early became 【30】______ by the possibilities of mechanized production and steam power. As early as 1802 he 【31】______ a stationary steam engine of high-pressure design in his mill. Engines of this type were not 【32】______, but before Evans they were generally considered 【33】______ and dangerous. Within a decade the high-pressure engine, the new type, had become standard on western waters. Critics 【34】______ of western conditions often attacked it as wasteful and dangerous.
But people who really knew the Ohio, the Missouri, and the Mississippi 【35】______, with good reasons, that it was the only engine for them. In 【36】______ western rivers the weight of vessel and engine 【37】______ important; a heavy engine added to the problem of navigation. The high-pressure engine was 【38】______lighter in proportion to horsepower, and, with less than half as many moving parts, was much easier and cheaper to repair. The main advantages of low-pressure engines were safe operation and 【39】______ of fuel consumption, 【40】______ of which meant much in the West.
【21】
A.on
B.by
C.for
D.in
第10题
The engine that became standard on western steamboats was of a different and 【28】______ design. It was the work primarily of an unsung hero of American industrial progress, Oliver Evans (1755-1819), the 【29】______ son of a Delaware farmer. Evans early became 【30】______ by the possibilities of mechanized production and steam power. As early as 1802 he 【31】______ a stationary steam engine of high-pressure design in his mill. Engines of this type were not 【32】______ , but before Evans they were generally considered 【33】______ and dangerous. Within a decade the high-pressure engine, the new type, had become standard on western waters. Critics 【34】______ of western conditions often attacked it as wasteful and dangerous.
But people who really knew the Ohio, the Missouri, and the Mississippi 【35】______ , with good reasons, that it was the only engine for them. In 【36】______ western rivers the weight of vessel and engine 【37】______ important; a heavy engine added to the problem of navigation. The high-pressure engine was 【38】______ lighter in proportion to horsepower, and, with less than half as many moving parts, was much easier and cheaper to repair. The main advantages of low-pressure engines were safe operation and 【39】______ of fuel consumption, 【40】______ of which meant much in the West..
【21】
A.on
B.by
C.for
D.in
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