二、完形填空(本大題共10小題，每小題1分，共10分)

　　從選擇項中選擇一個最適合短文的選項，錯選、多選或未選均無分。

　　Several regions in the world are subject 21 storms which are so severe that they cause damage on a tremendous 22 . The regions are all located on the edges of great oceans. The general term for such severe storms is ‘cyclone’. The term ‘hurricane’ is 23 for storms that occur in the North Atlantic Ocean.

　　Cyclones and hurricanes differ in one curious way: in a cyclone, the wind 24 in a clockwise direction; in a hurricane, the wind direction is counter-clockwise. But cyclones and hurricanes have one ominous similarity. 25 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 26 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 27 . There are few coastal cities. When a cyclone 28 move inland from the sea, it usually blows itself out without striking any inhabited area. 29 , in 1917 the small city of Townville was severely devastated by a cyclone. There was a public outcry about it. People demand an adequate 30 system. E-ver since then the meteorological bureau has regularly issued alarms in advance of every serious cyclone.

　　21. A. to

　　B.for

　　C. of

　　D.on

　　22. A. range

　　B.scale

　　C. region

　　D.area

　　23. A. made

　　B.called

　　C. meant

　　D.defined

　　24. A. circles

　　B.circulates

　　C. fly

　　D.circuit

　　25. A. In that

　　B.In terms of

　　C. Except for

　　D.Along with

　　26. A. occur

　　B.rise

　　C. raise

　　D.foster

　　27. A. populated

　　B.deserted

　　C. unpopulated

　　D.undeserted

　　28. A. could

　　B.does

　　C. would

　　D.should

　　29. A. Furthermore

　　B.However

　　C. Consequently

　　D.Frequently

　　30. A. warning

　　B.help

　　C. safety

　　D.weather