案例分析题
Several regions in the world are subject 1 storms which are so severe that they 2 damage on a tremendous scale. The regions are all located on the edges of great oceans. The 3 term for such severe storms is ‘cyclone’. The term ‘hurricane’ is 4 for storms that occur in the North Atlantic Ocean. Cyclones（龙卷风） and hurricanes（飓风） differ in one curious 5 ： in a cyclone， the wind circulates in a clockwise direction； in a hurricane， the wind direction is counter-clockwise.
6 cyclones and hurricanes have one ominous similarity. 7 the damage they cause on land and at sea， they are identical.
Australia undergoes a number of cyclones every year along its northern coast， which faces Indonesia. The cyclones 8 mainly in December and January， the summer months in the southern hemisphere.
Usually the Australian cyclones don’t cause great damage because Australia’s northern territory has vast empty regions that are virtually 9.There are few coastal cities. When a cyclone 10 move inland from the sea， it usually blows itself out without striking any inhabited area.