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【单选题】
Hurricane(飓风)Katrina A hurricane is a fiercely powerful,rotating(旋转的)form. of tropical storm that can be 124 to 1,240 miles in diameter.The term hurricane is derived from Hurican,the name of a native American storm god.Hurricanes are typical of a calm central region of low pressure between 12 to 60 miles in diameter,known as the eye.They occur in tropical regions.Over its lifetime,one of these can release as much energy as 10,000 nuclear bombs. The seed for hurricane formation is a cluster(聚集)of thunderstoms over warm tropical waters.Hurricanes can only form. and be fed when the sea-surface temperature exceeds 27℃ and the surrounding atmosphere is calm.These requirements are met between June and November in the northern part of the world. Under these conditions,large quantities of water evaporate(蒸发)and condense(冷凝)into clouds and rain-releasing heat in the process.It is this heat energy,combined with the rotation of the Earth,that drives a hurricane. When the warm column of air from the sea surface first begins to rise,it causes an area of low pressure.This in turn creates wind as air is drawn into the area.This spinning wind drags up more moist air from the sea surface in a process that strengthens the storm.Cold air falls back to the ocean surface through the eye and on the outside of the storm. Initially,when wind speeds reach 23 miles per hour,these mild,wet and grey weather systems are known as depressions,or low air pressure.Hurricane Katrina formed in this way over the south-eastern Bahamas on 23 August 2005.Katrina has had a devastating impact on the Gulf Coast of the US,leaving a disaster zone of 90,000 square miles in its wake(尾迹)-almost the size of the UK.Thousands have been killed or injured and more than half a million people have become homeless in a humanitarian(人道主义的)crisis of a scale not seen in the US since the Great Depression.The cost of the damage may top $100 billion. 第6题:The eye of a hurricane refers to its
A.
lower part.
B.
rotating part.
C.
calm central part.
D.
most violent part.
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【单选题】现行消费税规定,委托加工应税消费品,一般由受托方代收代缴消费税,但个别情况由委托方回原地纳税。下列哪种情况委托方回原地纳税( )。
A.
受托方是外商投资企业
B.
受托方是国有企业
C.
受托方是个体经营者
D.
受托方是股份制企业
【单选题】Everyone knows that the firefly is a(n) ______ insect.
A.
firing
B.
lighting
C.
aluminiferous
D.
glowing
【单选题】现行消费税规定,委托加工应税消费品,一般由受托方代收代缴消费税,但个别情况由委托方回原地纳税。下列情形中委托方应回原地纳税的是()。
A.
受托方是外商投资企业
B.
受托方是国有企业
C.
受托方是个体经营者
D.
受托方是股份制企业
【简答题】缺铁可使______形成减少,缺乏叶酸和维生素B12将影响______合成。
【简答题】现行消费税规定,委托加工应税消费品,一般由受托方代扣代缴消费税,但个别情况由委托方回原地纳税。下列哪种情况委托方回原地纳税( )。
【单选题】现行消费税规定,委托加工应税消费品,一般由受托方代扣代缴消费税,但个别情况由委托方回原地纳税。下列( )情况委托方回原地纳税。
A.
受托方是外商投资企业
B.
受托方是国有企业
C.
受托方是个人
D.
受托方是股份制企业
【判断题】If the thread number n=1, then pitch and lead are equal.
A.
正确
B.
错误
【判断题】John Smith thinks that all creatures are equal.()
A.
正确
B.
错误
【单选题】现行消费税规定,委托加工应税消费品,一般由受托方代扣代缴消费税,但个别情况由委托方回原地纳税。下列( )情况委托方回原地纳税。
A.
受托方是外商投资企业
B.
受托方是国有企业
C.
受托方是个体经营者
D.
受托方是股份制企业
【判断题】Pocahontas thinks that all creatures are equal.()
A.
正确
B.
错误
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